Radeon RX 480 vs Geforce GTX 970: CPU Scaling

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Sweepr

Diamond Member
May 12, 2006
5,148
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Since you are having trouble counting

And you have a short memory, apparently. Nobody is disputing Core i5 and above can handle all these cards just fine, you don't need to post the same benchmarks three times in a row.

The 480 scales better than older cards and well... is using 6 months newer drivers than anything you've managed to find as well.









Crimson 16.6.2 - Radeon
GeForce Game Ready 368.39 WHQL - GeForce

www.purepc.pl/karty_graficzne/premiera_amd_radeon_rx_480_polaris_test_karty_graficznej?page=0,3
 

VirtualLarry

No Lifer
Aug 25, 2001
56,453
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Considering 47.59% gamers are still on dual-cores according to Steam Survey, which includes Core i3 and slower Pentium/Celeron CPUs, it's a shame more reviewers didn't test this new mainstream card with <$200 processors.

Considering the criticism I endured, when defending my current CPU in my gaming rig from the QCP, saying that "dual-core gamers should be burned", and "real gamers have quad-cores" - is it any wonder with that kind of sentiment in the forums, that a website wouldn't even bother to test with dual-cores? And yes, I am in the target market for an RX480.
 

24601

Golden Member
Jun 10, 2007
1,683
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Considering the criticism I endured, when defending my current CPU in my gaming rig from the QCP, saying that "dual-core gamers should be burned", and "real gamers have quad-cores" - is it any wonder with that kind of sentiment in the forums, that a website wouldn't even bother to test with dual-cores? And yes, I am in the target market for an RX480.

You're reading the situation wrong.

The reason why (Since Sandy Bridge came out) you should have never gotten anything less than a 4 threaded Intel Sandybridge @ stock 2500k level of single threaded performance is what these tests blatantly show.

The marketers on the forums that try to say otherwise are simply lying to people for various reasons and agendas.
 

RussianSensation

Elite Member
Sep 5, 2003
19,458
765
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You're reading the situation wrong.

The reason why (Since Sandy Bridge came out) you should have never gotten anything less than a 4 threaded Intel Sandybridge @ stock 2500k level of single threaded performance is what these tests blatantly show.

The marketers on the forums that try to say otherwise are simply lying to people for various reasons and agendas.

Yup, that's why this thread is a joke. The OP is trying to prove that AMD cards are CPU bottlenecked with garbage i3, FX and 3200mhz i5s, while blatantly ignoring that those same CPUs still bottleneck the 970. The argument is flawed since it positions the argument that one shouldn't buy an R9 390/390X/480 with garbage CPUs but none of those CPUs even allow anything faster than a 960 to be fully utilized....

The real takeaway from this article isn't that AMD cards are more CPU bottlenecked, but that for RX 480/390/970, you want nothing slower than a 2500K OC and for 1070/980Ti/Fury X, nothing slower than a 2600K OC.

That's why to me any 2016 gaming PC without at least an i5 6600K is just a waste or $. I see people with i5 2400 or i7 980X looking to get a 1070/1080 and I just have to laugh.

Another reason why the argument against RX 480 is flawed is that there isn't a single NV card that has 4GB of VRAM and good DX12 performance at $199. Chances are someone who has an FX6300/i3 can't afford a $250-275 GPU.

If I were building a new PC in 2016, and I couldn't afford at least a 6600K, I'd either go into the used market for 3770-4790K or just save up.

If someone cannot afford a $240 6600K to keep for 5 years, they are likely pirating PC games. The TCO even if one sells the CPU for $90 in 5 years is only $150/5 = $30 a year! Most people in Brazil, Russia, Asia who buy the garbage APUs, i3, FX, etc. straight up pirate PC games because it's not logical that someone can afford $30-60 USD PC games but they can only afford a $50-100 CPU over 5 years? Please.

What we should be doing is guiding PC gamers to spend more upfront to build a good foundation for a PC (CPU / good PSU, good monitor). The videocard can always be upgraded 2-3X over 5-6 years.

The argument in favour of 970 is completely illogical because if someone could only afford an i3 6100 instead of an i5 6400, then how the hell is this gamer going to have the extra $ for a 970 over the 480 4GB? Secondly, this thread straight up ignores the awful DX12 performance of the 970.

It sounds like a pre-launch 1060 3GB NV PR to get people to skip the 480 in favour of a VRAM gimped NV card. IF NV releases a $199 1060 6GB, then we can talk. Until then, a $199 480 4GB is the best mainstream GPU.
 
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24601

Golden Member
Jun 10, 2007
1,683
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Yup, that's why this thread is a joke. The OP is trying to prove that AMD cards are CPU bottlenecked with garbage i3, FX and 3200mhz i5s, while blatantly ignoring that those same CPUs still bottleneck the 970. The argument is flawed since it positions the argument that one shouldn't buy an R9 390/390X/480 with garbage CPUs but none of those CPUs even allow anything faster than a 960 to be fully utilized....

The real takeaway from this article isn't that AMD cards are more CPU bottlenecked, but that for RX 480/390/970, you want nothing slower than a 2500K OC and for 1070/980Ti/Fury X, nothing slower than a 2600K OC.

That's why to me any 2016 gaming PC without at least an i5 6600K is garbage. I see people with i5 2400 or i7 980X looking to get a 1070/1080 and I just have to laugh.

Another reason why the argument against RX 480 is flawed is that there isn't a single NV card that has 4GB of VRAM and good DX12 performance at $199. Chances are someone who has an FX6300/i3 can't afford a $250-275 GPU.

If I were building a new PC in 2016, and I couldn't afford at least a 6600K, I'd either go into the used market for 3770-4790K or just save up.

If someone cannot afford a $240 6600K to keep for 5 years, they are likely pirating PC games. The TCO even if one sells the CPU for $90 in 5 years is only $150/5 = $30 a year! Most people in Brazil, Russia, Asia who buy the garbage APUs, i3, FX, etc. straight up pirate PC games because it's not logical that someone can afford $30-60 USD PC games but they can only afford a $50-100 CPU over 5 years? Please.

What we should be doing is guiding PC gamers to spend more upfront to build a good foundation for a PC (CPU / good PSU, good monitor). The videocard can always be upgraded 2-3X over 5-6 years.

The argument in favour of 970 is completely illogical because if someone could only afford an i3 6100 instead of an i5 6400, then how the hell is this gamer going to have the extra $ for a 970 over the 480 4GB? Secondly, this thread straight up ignores the awful DX12 performance of the 970.

It sounds like a pre-launch 1060 3GB NV PR to get people to skip the 480 in favour of a VRAM gimped NV card. IF NV releases a $199 1060 6GB, then we can talk. Until then, a $199 480 4GB is the best mainstream GPU.

It's funny that you don't even (appear to) realize who I'm talking about.

All AMD/ATI GPUs going back to DX9 at minimum have massive driver overhead compared to Nvidia cards.

This thread is pointless because if people say they don't know that by now, they either have a vested interest in now saying that they don't know that, or they are dense enough to not know something for over 10 years, and anything said about it now isn't going to get through to them. Essentially vested interest and/or Dunning-Kruger effect.

EDIT: Why do I bother. 95% of the people posting on the crucial subforums are marketers now (as opposed to probably 75% from just a couple of years ago). You win, I need to stop wasting my time here.
 
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RussianSensation

Elite Member
Sep 5, 2003
19,458
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It's funny that you don't even (appear to) realize who I'm talking about.

All AMD/ATI GPUs going back to DX9 at minimum have massive driver overhead compared to Nvidia cards.

This thread is pointless because if people say they don't know that by now, they either have a vested interest in now saying that they don't know that, or they are dense enough to not know something for over 10 years, and anything said about it now isn't going to get through to them. Essentially vested interest and/or Dunning-Kruger effect.

This is false. Fermi was more CPU sensitive than HD5000/6000. Xbitlabs did an article on this. I'll look for it tomorrow.

Either way, the moral here is any PC with slow garbage CPUs is still garbage. It doesn't matter if it's paired with NV or AMD GPU.

Let's just assume someone has a crap i3 and they get a 970, in 2 years that entire PC is trash.

2015 = 6700K @ 4.8Ghz = best gaming CPU
2016 = 6700K @ 4.8Ghz = 99% gaming CPU after KL
2017-2020 = 6700K @ 4.8Ghz will still be smashing games

Otoh, we've seen a November 2013 $699 780Ti getting dropped by a June 2016 $199 RX 480 4GB. In 3 years, a $250 GPU will be as fast as a 1080, or a $400-450 loss in resale value/depreciation. The i7 6700K will still be a great gaming CPU in 2018.

Moral of the story is get an i5 6600K-6700K FIRST, then allocate whatever is left to the GPU. Over the next 5-6 years just upgrade the GPU.

A lot of people do it completely wrong. They buy a POS CPU and are CPU bottlenecked from day 1 for 5 years. Why? Makes no sense.

Unless budget is not an issue, a good gaming PC is not only about balance but about thinking ahead on how to minimize the total cost of hardware upgrades over the years. Buying a great CPU and PSU saves a ton of $$$ and headaches long-term. Buying a flagship GPU is usually the biggest waste of $. As a community we should care more as to why so many people buy new PCs with garbage CPUs?! We shouldn't have this in the first place.
 
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Bacon1

Diamond Member
Feb 14, 2016
3,430
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And you have a short memory, apparently. Nobody is disputing Core i5 and above can handle all these cards just fine, you don't need to post the same benchmarks three times in a row.




Yet you keep posting i5 results while saying that they don't matter...

Did you not notice that the i5 is ALSO a bottleneck when not overclocked? Yet they failed to overclock the i3, so we don't know if the i3 was still a bottleneck when overclocked.

Not to mention that both 970 and 480 (and every other card) are limited with lower clocked cards.

I mean in FO4:

970 goes from 56.8 -> 40.8 or 40% loss in FPS

480 goes from 48.5 -> 34.2 or 41% loss in FPS

Are you seriously trying to tell me that isn't within margin of error and they BOTH lose a huge amount by using a low clocked i3/i5?

AMD cards have proven to be much better in DX12 which is where new games are heading and that completely removes any driver overhead. Not to mention 8GB vram vs 3.5 (usable)
 

RussianSensation

Elite Member
Sep 5, 2003
19,458
765
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It's funny that you don't even (appear to) realize who I'm talking about.

All AMD/ATI GPUs going back to DX9 at minimum have massive driver overhead compared to Nvidia cards.

This thread is pointless because if people say they don't know that by now, they either have a vested interest in now saying that they don't know that, or they are dense enough to not know something for over 10 years, and anything said about it now isn't going to get through to them. Essentially vested interest and/or Dunning-Kruger effect.

EDIT: Why do I bother. 95% of the people posting on the crucial subforums are marketers now (as opposed to probably 75% from just a couple of years ago). You win, I need to stop wasting my time here.

I win? It's not about winning or losing, but about perspective and context.

1) The best new gaming GPU at $199 right now for DX11+DX12 games is RX 480 4GB. 970 may have a lower CPU bottleneck but it has horrible performance under DX12. You provided nothing to dispute this claim.

2) What kind of a PC gamer can easily swing $50-100 for a more expensive GPU such as the 970/980 for what 10-15% more performance, but could only afford a crap i3/FX4300/6300?

3) 3GB on 1060 is a bigger issue. Once NV has $199 1060 6GB, then we can discuss how RX 480 4GB isn't worth buying.

I don't work for AMD/NV or any of their affiliates. I like discussing hardware because it is a hobby.

I just find it insulting to the PC community when the NV biased posters recommended trash 750/750Ti/950/960 over 270/270X/280X/380X/290. It doesn't matter at all if 1060 will be better than RX 480. I cannot trust the person who recommended garbage for years as if they cared about PC gamers by giving objective advice. Their credibility is destroyed. Same reason TechReport and HardOCP are worthless GPU review sites now. Computerbase.de, AnandTech, don't make amateur mistakes like that.

BTW, how come the OP never discussed how RX 480 pays for itself with Ethereum mining?

From where I am sitting under Windows 10, it goes down like this:

$240 6600K
Or
$300 6700
+
$0 RX 480 = fully paid off with Ethereum mining

vs.

$240 6600K
Or
$30p 6700
+
$200-300 1060

That's actually a real world comparison right now. You got a rebuttal to that? The OP and NV owners don't.

Here is the kicker: an RX 480 owner can dump $340 into an i7 6700K because the graphics card will be absolutely free. If you're gonna talk about objective advice on tech forums, then NV cards make no sense for anyone who isn't price inelastic in the $100-300 pricing tier. Oops.
 
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Sweepr

Diamond Member
May 12, 2006
5,148
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Yet you keep posting i5 results while saying that they don't matter...

Did you not notice that the i5 is ALSO a bottleneck when not overclocked?

Generally it isn't. But as you can see in the Fallout 4 benchmark you just quoted, the Radeon suffers more when stepping down from Core i5 to Core i3:

'Geforce GTX 970 goes from 43.4/39 -> 40.8/33 with Core i3 - 6.3%/18.1% faster with 4C/4T'
'Radeon RX 480 goes from 38/34 -> 34.2/27 with Core i3 - 11.1%/25.9% faster with 4C/4T'

Are you seriously trying to tell me that isn't within margin of error

No, it's a well known fact.



 
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RussianSensation

Elite Member
Sep 5, 2003
19,458
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Generally it isn't. But as you can see in the Fallout 4 benchmark you just quoted, the Radeon suffers more when stepping down from Core i5 to Core i3:

'Geforce GTX 970 goes from 43.4/39 -> 40.8/33 with Core i3 - 6.3%/18.1% faster'
'Radeon RX 480 with Core i5 goes from 38/34 -> 34.2/27 with Core i3 - 11.1%/25.9% faster'



No, it's a well known fact.




It's also a fact that i3 itself is trash and bottlenecks the 970 itself.

"Shifting to the DX12 benchmark, the R9 380 and GTX 950 hardly benefit in average frame rates—though minimums are still far lower with the Core i3 processor. The Core i5 again gets you most of where you need to go, at least for single GPUs, improving the 390 and 970 performance by around 40 percent, while GTX 1080 gains 55 percent and the Fury X goes up 65 percent. The Core i7-5930K further improves on things by adding 13 percent on the GTX 1080, with minimums on all of the cards still showing anywhere from 35-75 percent increases."
http://www.pcgamer.com/total-war-warhammer-benchmarks-strike-fear-into-cpus/

You are going to cherry pick Fallout 4, what about TW:W?

Speaking of FO4, why don't you want to talk about the DDR3 memory bottleneck?
http://www.techspot.com/review/1089-fallout-4-benchmarks/page6.html

It seems you'd rather argue which crappy PC is better rather than discuss the overall theme that ALL gaming PCs with an i3/FX are a horrible foundation for modern games to begin with.

If someone has those CPUs and a low budget, they should just sell their CPU, buy a used R9 290 for $140-150, skip both the 480 and the 970, and invest the $$$ into a faster CPU.

Your own benchmarks show that even a 3200mhz i5 Haswell is already a bottleneck for the 970. The interesting part is you straight up ignore how a 970 with an i5 3200mhz are only hitting 43 FPS in FO4. So the conclusion is the same = slow CPU still means a slow gaming PC regardless of what brand GPU it is paired with it. Both the RX 480 and 970 user will need to drop IQ to hit 60 FPS.

For a new PC, it also means $200 RX 480 + $190 i5 6400 >>>>> $250 970 + $125 i3 6100.
 
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Bacon1

Diamond Member
Feb 14, 2016
3,430
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Generally it isn't. But as you can see in the Fallout 4 benchmark you just quoted, the Radeon suffers more when stepping down from Core i5 to Core i3

LOL since you want to count 1-3 fps differences...



480 goes from 49 -> 48.5 fps or 1% loss

970 goes from 46.5 -> 45.8 or 1.5% loss which is 50% MORE LOSS!! OMG!! 970 is failure

980 goes from 43.7 - 50.6 or wopping 6% loss, over 600% more loss than the 480.

Not going to both posting here anymore, its obvious you didn't post this thread to have a meaningful discussion when you posted 4 results, I posted 4 and you called them all invalid even though computerbase does the best testing around and stress tests their cards not just 5 minute testing periods and done.
 

Sweepr

Diamond Member
May 12, 2006
5,148
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Tts obvious you didn't post this thread to have a meaningful discussion when you posted 4 results, I posted 4 and you called them all invalid even though computerbase does the best testing around and stress tests their cards not just 5 minute testing periods and done.

You posted Radeon RX 480 results from two games, one of which can yield very different results depending on the scene tested, as already explained.





Meanwhile, OP includes four different games.

Not going to both posting here anymore.

Have a good evening.
 

coercitiv

Diamond Member
Jan 24, 2014
6,403
12,864
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You posted Radeon RX 480 results from two games, one of which can yield very different results depending on the scene tested, as already explained.
You might wanna check his posts again, I counted 4 games just like the OP provided.
 

Sweepr

Diamond Member
May 12, 2006
5,148
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You might wanna check his posts again, I counted 4 games just like the OP provided.

Only two comparable to the OP (including Core i3/i5/i7). Then there's the off topic Core i5/i7 results he posted 3-4 times in a row, ignoring the fact that while no one said Intel quad-cores couldn't keep up with these VGAs.
 
Aug 11, 2008
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Yup, that's why this thread is a joke. The OP is trying to prove that AMD cards are CPU bottlenecked with garbage i3, FX and 3200mhz i5s, while blatantly ignoring that those same CPUs still bottleneck the 970. The argument is flawed since it positions the argument that one shouldn't buy an R9 390/390X/480 with garbage CPUs but none of those CPUs even allow anything faster than a 960 to be fully utilized....

Snip

The question of CPU overhead is still relevant, because whether it meets your standards or not, a lot of people are still gaming on the "garbage" cpus that you mention above. They could well be looking to upgrade their gpu only, in which case cpu overhead is a factor to consider. It is also irrelevant if an nVidia card is bottle-necked, because an AMD card with more cpu overhead would be bottle-necked at a lower level.

Now I am talking more in general terms, not so much 970 vs 480 specifically. Between those two, if they are the same price, I think it comes down to whether you are more interested in current and recent fairly demanding DX11 games that tend to favor nVidia or in anticipated DX12 games that should favor the 480.

Edit: Personally, and I know I am in the minority, but there are currently zero DX 12 games that I am anticipating being interested in. I mainly intend to play my GOG and steam backlogged games, and maybe purchase some 2015 era games like GTAV when they get cheap on a steam sale. I am content to stick with my HD7770 for now until the new cards sort themselves out and the prices stabilize. If it comes closer to the promised efficiency than the somewhat disappointing (power wise) 480, I might consider a 470.
 
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BSim500

Golden Member
Jun 5, 2013
1,480
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The question of CPU overhead is still relevant, because whether it meets your standards or not, a lot of people are still gaming on the "garbage" cpus that you mention above. They could well be looking to upgrade their gpu only, in which case cpu overhead is a factor to consider. It is also irrelevant if an nVidia card is bottle-necked, because an AMD card with more cpu overhead would be bottle-necked at a lower level.

Now I am talking more in general terms, not so much 970 vs 480 specifically. Between those two, if they are the same price, I think it comes down to whether you are more interested in current and recent fairly demanding DX11 games that tend to favor nVidia or in anticipated DX12 games that should favor the 480.

Edit: Personally, and I know I am in the minority, but there are currently zero DX 12 games that I am anticipating being interested in. I mainly intend to play my GOG and steam backlogged games, and maybe purchase some 2015 era games like GTAV when they get cheap on a steam sale. I am content to stick with my HD7770 for now until the new cards sort themselves out and the prices stabilize. If it comes closer to the promised efficiency than the somewhat disappointing (power wise) 480, I might consider a 470.
^ Nailed it in one. I don't want an i7 or +130w AMD in my HTPC if the only reason it's 'needed' is to brute force through a driver bottleneck that occurs predominantly on only one brand of card. Of course that extra cost will have to be factored in. Aside from HTPC use it'll be used predominantly for older DX11 gaming. (Like you I'm not interested in DX12 AAA stuff or VR either). An i3 does bottleneck the 970 on average fps but nowhere near the same extent as same i3 bottlenecks even much lower end cards like the 7790 range on min fps. I simply don't need to believe what I've already measured in person (in addition to 4 separate tech sites commenting on it) and will continue to take my observations over others "how dare you even raise the question!" strong emotions.

Like you, I'm in the target market for a 480 / 1060 (or more likely a 470 / 1050) that'll be used predominantly for older DX11 games. What I want to see is more real-world testing in general, including RX 460/470/480 and GTX 1050/1060 cards on lower end CPU's. Not a particularly outrageous concept to want to see if the rate of drop off is the same. I'm astounded though, how over-emotional and hyper-reactionary some get though when people "dare" to question AMD scaling issues on non top end CPU's (and 2 of my past 3 cards have been AMD, along with a roughly 50/50 ATI/nVidia split and 45/45/10 Intel/AMD/Other CPU split going back much further to ye olde 286's, so I'm hardly some "newb" or brand-addict).

As usual, this stuff flies straight over some people's heads who seem to persistently struggle to understand why people don't match up $350 CPU's with sub $200 GPU's in secondary light gaming rigs...
 
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rainy

Senior member
Jul 17, 2013
508
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Radeon RX 480 would only do worse with 2C/2T CPUs.

It's really hilarious - are you seriously suggesting to consider such a GPU for dualcore CPUs?
That way, maybe we should recommend i3 for GTX 1070?

I think for such a weak setup as you've mentioned, RX 460 is maximum what you could get.
 

Erenhardt

Diamond Member
Dec 1, 2012
3,251
105
101
As a side-note:
Pclab cpu driver overhead testing comes down to finding a spot in a game where radeon is slower than the geforce counterpart and claiming it is because CPU driver overhead.
 

RussianSensation

Elite Member
Sep 5, 2003
19,458
765
126
^ Nailed it in one. I don't want an i7 or +130w AMD in my HTPC if the only reason it's 'needed' is to brute force through a driver bottleneck that occurs predominantly on only one brand of card. Of course that extra cost will have to be factored in. Aside from HTPC use it'll be used predominantly for older DX11 gaming. (Like you I'm not interested in DX12 AAA stuff or VR either). An i3 does bottleneck the 970 on average fps but nowhere near the same extent as same i3 bottlenecks even much lower end cards like the 7790 range on min fps. I simply don't need to believe what I've already measured in person (in addition to 4 separate tech sites commenting on it) and will continue to take my observations over others "how dare you even raise the question!" strong emotions.

Like you, I'm in the target market for a 480 / 1060 (or more likely a 470 / 1050) that'll be used predominantly for older DX11 games. What I want to see is more real-world testing in general, including RX 460/470/480 and GTX 1050/1060 cards on lower end CPU's. Not a particularly outrageous concept to want to see if the rate of drop off is the same. I'm astounded though, how over-emotional and hyper-reactionary some get though when people "dare" to question AMD scaling issues on non top end CPU's (and 2 of my past 3 cards have been AMD, along with a roughly 50/50 ATI/nVidia split and 45/45/10 Intel/AMD/Other CPU split going back much further to ye olde 286's, so I'm hardly some "newb" or brand-addict).

As usual, this stuff flies straight over some people's heads who seem to persistently struggle to understand why people don't match up $350 CPU's with sub $200 GPU's in secondary light gaming rigs...

We would need a review testing those older DX11 games, not new games then to make your point valid. As I said already, i3 + 970 can only manage 43-44 FPS in FO4. Who is going to play an FPS at those tested settings?

The second point you stated is far more relevant. Since we know that slow CPUs bottleneck GTX970/380/480 level class, it would be most beneficial to test slow CPUs with low level $100-150 card such as the 950/960 and RX460/470.

Who said anything about mandatory $350 CPUs or 130W CPUs for 480/970 level class? Are you trying to tell us with a straight face that one cannot build an HTPC with a 65W i5-6600? It gets better:

i5-4690T 3.5Ghz 45W TDP
http://ark.intel.com/m/products/80813/Intel-Core-i5-4690T-Processor-6M-Cache-up-to-3_50-GHz#@product/specifications

i7-4790T 3.9Ghz 45W TDP
http://ark.intel.com/m/products/80809/Intel-Core-i7-4790T-Processor-8M-Cache-up-to-3_90-GHz#@product/specifications

If you built an HTPC with an i3, it's only your fault for forever gimping that PC. That's the biggest takeaway from this thread: people keep buying bad products and then complain their PC doesn't run well. It's the exact same issue with AMD CPUs, so I am not trying to pick on an i3 here. If you built the right PC from the start, you could have the option of adding up to a miniITX Gigabyte 1070 to it.

Thirdly, you admit your HTPC has a slow i3 (or an old i5) but we are supposed to believe it's then logical add a rather expensive $250 970 to pair it with? 970 also happens to lack the 4K encoding/decoding capabilities of RX 480 or 1060 or even the 950. If you are going to ding the 480 for a greater CPU bottleneck, why didn't you bring up the fact that 970 isn't even a good HTPC card in this comparison?

For older DX11 games, a budget i3 gamer is likely looking at a $100-150 level 950/470 level graphics card. I think you yourself allude to that by discussing 470/1050 later on.

To ignore DX12 games is also an odd argument to make because there will be future DX12 games such as Deus Ex Mankind Divided and Battlefield 1.

1060 should improve 970's horrid DX12 performance but it has its own issue - 3GB of VRAM. If you know you will only play older DX11 games and have an i3, get a NV card. No one is disputing that. Had the OP created a thread titled: "buy NV cards for old DX11 games if you have a slow CPU", most would not have a big issue with this thread. The issue here is how the OP presented the argument. He never specifically stated the context like you did. Then it's 100% fair to discuss DX12 performance, something he is flat out ignoring because 970 bombs in this case.
 
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Sweepr

Diamond Member
May 12, 2006
5,148
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It's really hilarious - are you seriously suggesting to consider such a GPU for dualcore CPUs?

No, you are making this up. This thread highlights the importance of strong CPU performance. The problem is, not everyone will pair Core i5+ processors with Radeon RX 480/470. As you can clearly see on Steam Survey, a huge amount of people are still using dual-cores, and Polaris 10 comes out as a cheap upgrade to them.

Like you, I'm in the target market for a 480 / 1060 (or more likely a 470 / 1050) that'll be used predominantly for older DX11 games. What I want to see is more real-world testing in general, including RX 460/470/480 and GTX 1050/1060 cards on lower end CPU's. Not a particularly outrageous concept to want to see if the rate of drop off is the same. I'm astounded though, how over-emotional and hyper-reactionary some get though when people "dare" to question AMD scaling issues on non top end CPU's (and 2 of my past 3 cards have been AMD, along with a roughly 50/50 ATI/nVidia split and 45/45/10 Intel/AMD/Other CPU split going back much further to ye olde 286's, so I'm hardly some "newb" or brand-addict).

As usual, this stuff flies straight over some people's heads who seem to persistently struggle to understand why people don't match up $350 CPU's with sub $200 GPU's in secondary light gaming rigs...

It's really amazing. And you still have people claiming all Core i3 owners buy are ''$100-150 level 950/470 level graphics cards''. Clearly out of touch with reality.
 
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RussianSensation

Elite Member
Sep 5, 2003
19,458
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No, you are making this up. This thread highlights the importance of strong CPU performance. The problem is, not everyone will pair Core i5+ processors with Radeon RX 480/470. As you can clearly see on Steam Survey, a huge amount of people are still using dual-cores, and Polaris 10 comes out as a cheap upgrade to them.

No one is disputing that. But if you are going to bring up examples of CPU limited PC game scenarios, you would not recommend a GTX970/NV level card with this performance with a dual core either.

I3 + 970 = 40 FPS in FO4
i5 4.5Ghz + 970 = almost 60 FPS in the same game

So what you are really saying is no one should be buying an RX 480/970 to play CPU limited PC games. Secondly, you focus in on DX11 games only. What if someone with a slow CPU actually wants to play DX12 games? Computerbase already tested how under DX12, the performance can go up 50-75% with old/slow CPUs.

That means your thread is generalizing by emphasizing CPU bottlenecks under DX11, but ignores the flip-side under DX12. That means you are inherently suggesting those cross-shopping 970 with a 480 won't play DX12 games at all.

You should have waited until 1060 showed up to make this thread. It would actually be the relevant comparison.
 

BSim500

Golden Member
Jun 5, 2013
1,480
216
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We would need a review testing those older DX11 games, not new games then to make your point valid.
Ideally we would have both. That's what I (and many others) are simply calling for - more in depth tech reviews rather than just the same 20-25 tech sites doing copy-paste stuff. Yet when some sites do that, there's this "clan" that pops up and endlessly attacks them for portraying the "wrong image", even childish calls for "permanent bans" for merely asking a question (see page 1)... Of course, we see the same review disparities in general in the PC industry, eg, "950 PRO is 3x faster than 850 EVO" = 14.7s vs 14.8s game load times, but for some reason anything that involves a certain brand of CPU / GPU and it "touches a raw nerve" for some, and out come the forum pitchforks...

That's the biggest takeaway from this thread:
The biggest takeaway from this thread is everyone seems to want to talk about everything else except the main topic of this thread (how much is the driver overhead, has it changed / improved, what steps are AMD taking to minimize it, etc)... As usual it's ended up "If x wants to talk about something, then attack their need to do it" which isn't answering the question, it's running away from it. :sneaky: Regardless of what I (or others) own or intend to buy, the discussion / question of how much is the NV vs AMD disparity of performance scaling of i7 -> i5 -> i3 is still an entirely valid metric to measure, even if some people really do not want it discussed...
 

96Firebird

Diamond Member
Nov 8, 2010
5,712
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It's pretty well known AMD has higher DX11 CPU overhead, I'm surprised so many in this thread still have their head stuck in the sand on this... Either that, or they know about it and are trying to derail the thread with pointless arguments to save their favorite brand. Sad, really...
 

brandonmatic

Member
Jul 13, 2013
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That's a lot of charts! The conclusions I draw from looking at all of these are:
  • Drop off in performance from going from fast 4 core CPUs to slower 2 core CPUs varies a lot by game. Some games are affected, others aren't.
  • Both nVidia and AMD suffer from slower CPUs in some games.
  • The sample size is too small to see if there's a meaningful difference between nVidia and AMD.

I always assumed (maybe without reason) that AMD suffered more than nVidia from driver overhead, but I'm not actually seeing that for the 480 in the graphs posted. Crysis 3 is the only disproportionately poor performance for the 480, but that might just be an outlier. We'd need a more comprehensive analysis to draw any broader conclusions.

EDIT: I do think it's a relevant point though. If nVidia or AMD suffered significantly more from low-end CPUs then I'd want to know that.
 
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