GTA V CPU benches - AMD gets hammered (again)

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Dec 30, 2004
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core load from task manager does NOT show you the "real" utilization,
example from battlefield 4 ~90% on each core ,for the quad,does not mean that all 4 cores are being used 90% all the time,you have the main thread maxing out a core and the rest of them being filled up relative to the main thread.
what, you think someone sits there and watches Task Manager jotting numbers down quickly? lol


right side you see task manager showing ~90% on all cores on the left side you see the actual threads,one thread at 22,5 of 25% total,and the rest much lower at 14-15% ,so the FPS you will get is bound by how fast your main thread will be able to run.

which is why I said disable core 1 on Module 0 / the module running the main thread, for a 15% performance boost
 
Dec 30, 2004
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That doesn't mean that any old DX11-api-using game will gain the benefits of the DX12 API (low-level, etc.). It has to be re-coded.

are you sure?

it most definitely doesn't need to be recoded, I'm saying potentially that recompiling the core engine libraries with DX12 and patching should give a huge increase.
 
Dec 30, 2004
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Sure. But it isn't a small patch. It's a lot of work on the game dev's part to do it afaik. Maybe something like GTA V would get it, but most games available now or available even within a year of now won't be DX12.

no. if it's a large patch requiring engine redo, we most definitely will not see it.

it shouldn't be a big change from what they were doing on the consoles, which probably had something like Mantle already.
 
Dec 30, 2004
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It sounds like it's pretty much the same situation we had where DirectX 10 was such a major departure from previous versions that games had to include separate DirectX 10/11 and DirectX 9c codepaths to accommodate all the different possible hardware and software setups. And I don't think there were too many games circa 2006-07 that were released with DirectX 9c renderers and had DirectX 10 ones patched in later.

it's not a major departure though, it's simply a different under-the-hood render path for the same calls. There are no hardware changes required for DX12 compatibility from DX11.1
 
Dec 30, 2004
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20% might have been true with Sandy Bridge, but with Haswell it seems that 25-35% is more typical, and outliers (mostly scientific computing) gaining 50-70% more performance from HT.

does SciPuting make heavy use of unpredictable branches? I thought it was heavy maths, and calculation steps operating on data are 100% predictable because it's "do this" not "maybe do this if..."
 

Abwx

Lifer
Apr 2, 2011
11,167
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Trash Haswell based on what? A bunch of narrow integer cores with split FPUs like on FX simply can't hold a candle to proper wide cores

There s no FP in games, this is all integer code, and as said ad nauseam there s nothing such as an integer core in a module, there s two cores that manage both integer and FP threads.


The thing is that a single Intel core can handle more than an AMD module can per clock cycle, especially when you factor in all the "command and control" latency that likely happens when using moar cores.

That s wrong, a module has largely as much integer throughput than a Haswell core, just look at integer benches, and a single core has more command and control internaly given that it must manage the ops for two separated threads...

20% might have been true with Sandy Bridge, but with Haswell it seems that 25-35% is more typical, and outliers (mostly scientific computing) gaining 50-70% more performance from HT.

Games are using integer code and in this matter scaling is about 25%, it s more on FP with up to 30-35% on some benches, if there s 70% then it means that the core is used at 58% when loaded with a single thread...
 
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Dec 30, 2004
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Of course it can. I'm using an overclocked Westmere EP Xeon X5650 hexcore & it performs on a par with i7-3770K in single thread and blows it away on multi-thread.

clock / clock Piledriver Matches Nehalem in throughput, so the only reason yours does well would be due to its single threaded performance
 

mindbomb

Senior member
May 30, 2013
363
0
0
It probably would have been easier for them to make a dx12 game, since they already worked with a low level api for the ps4. And that version would be very optimized for modern processors. However, having windows 10 as a prerequisite at this date may be a little hard to swallow.
 

Abwx

Lifer
Apr 2, 2011
11,167
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if you'd like to upgrade to something not 7 years old, you can get a Piledriver that uses 325w+ when overclocked

It can hardly reach this level unless overvolted, at stock and fully loaded the 9370 is at about 160W while the 9590 will be at 180W, that s a long shot from the official 220W.
 

SlowSpyder

Lifer
Jan 12, 2005
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I think I'll be picking this one up at or near launch. I'd like to see how it plays, I've been told before my AMD CPU will get hammered in a game, but in real life they play quite well. I haven't played a GTA game in a while, looking forward to this one, it truly has that 'next gen' feel... or maybe that's just hype. Either way, I'm getting it and will report back and run some benches.
 

cytg111

Lifer
Mar 17, 2008
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Really dont know, obviously the FX8350 throughput in this game is 89% greater than the FX4300 output, yet the score difference is only 23%..

Must admit that almost twice the computation for a so low improvement let me wondering....

That and the 2C2T minimum fps scenario.. I dont know what programming model is being used for the consoles but it sounds like the port is issuing at least 2 realtime priority threads that just hogs two cores no matter what.. All those busy busy waits would also total in 0% fps increase.

It would be easily detectable with processmonitor or the like (thread prio.).
 

TheELF

Diamond Member
Dec 22, 2012
3,993
744
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what, you think someone sits there and watches Task Manager jotting numbers down quickly? lol

Sure,isn't this how they also count FPS?
Are you totally crazy or are you just pretending,you know enough about computers to know that there are monitoring programs out there,even opening up task manager you can see and write down the numbers at any one point.
It shows on the right side of the picture I posted, you can see every core's usage,you can take a screenshot at the same spot for each CPU and actually write down the numbers,even if you would need an hour to jot down each one.

which is why I said disable core 1 on Module 0 / the module running the main thread, for a 15% performance boost
Yeah,games still are not distributed computing,if GTA V has 4 (or however many) exactly equally sized threads then show us a picture as prove.
 
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SlowSpyder

Lifer
Jan 12, 2005
17,305
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I think I'll be picking this one up at or near launch. I'd like to see how it plays, I've been told before my AMD CPU will get hammered in a game, but in real life they play quite well. I haven't played a GTA game in a while, looking forward to this one, it truly has that 'next gen' feel... or maybe that's just hype. Either way, I'm getting it and will report back and run some benches.


I should add, looking at the GPU charts it would seem I have more CPU power than GPU grunt in this game anyway. I am at 19x12 (plans to move to 1440P soonish) with a 7970. Flamebait thread.
 

Abwx

Lifer
Apr 2, 2011
11,167
3,862
136
I think I'll be picking this one up at or near launch. I'd like to see how it plays, I've been told before my AMD CPU will get hammered in a game, but in real life they play quite well. I haven't played a GTA game in a while, looking forward to this one, it truly has that 'next gen' feel... or maybe that's just hype. Either way, I'm getting it and will report back and run some benches.

If you have some time left could you please test the FX with 7 ZIP MT at 4Ghz and say 4.4Ghz with RAM at 1600 and then at 1866 in both cases.?.
 

SlowSpyder

Lifer
Jan 12, 2005
17,305
1,001
126
If you have some time left could you please test the FX with 7 ZIP MT at 4Ghz and say 4.4Ghz with RAM at 1600 and then at 1866 in both cases.?.


Sure. PM me about what you'd like me to test in 7Zip. I'm hoping to pick this game up by next week. I have a hunch this will be another game that plays a-ok on my FX, but we'll see.
 

Maximilian

Lifer
Feb 8, 2004
12,603
9
81




*** The VC&G thread isn't really focussed on CPU, this one will be ***

A 9590 cannot crack 60FPS minimums, an 8350 can't crack 50FPS, and those are the minimum dips you will notice and feel. Plus look at Haswell vs SNB there is a difference. The game can use a hexa core although grrr no 5820K. With Haswell's efficiencies it would be interesting to see. Also, note the difference between the slowest Haswell refresh and 4690, 3/4 FPS so if you are buying a locked Haswell, get the Highest clocked one.

That 2500k though... legendary CPU! The Q6600 of our time :thumbsup:
 

JDG1980

Golden Member
Jul 18, 2013
1,663
570
136
I get what you're saying and I have no excuse for anyone saying it's a great gaming cpu in 2015, but it's old. Everyone knows it's old, and that it trailed Intel stuff gaming when it wasn't old more often than not. But they did give decent performance most of the time and if gaming is only part of what one is into some of aren't a bad deal still at times. It looks like an 8350 would probly gun gta v just fine for most people at 1080p. I had an 8350, a 9590 and now a 4790K, I think I've sampled enough plates recently to say they were a fine cpu for what they were. It's just depressing to see the aggressive beating of a sad dead horse. Churchill said something about it costing nothing to be polite to a man if you had to kill him.

If it's a dead horse, then AMD should stop riding it...
 

Abwx

Lifer
Apr 2, 2011
11,167
3,862
136
That and the 2C2T minimum fps scenario.. I dont know what programming model is being used for the consoles but it sounds like the port is issuing at least 2 realtime priority threads that just hogs two cores no matter what.. All those busy busy waits would also total in 0% fps increase.

It would be easily detectable with processmonitor or the like (thread prio.).

Quite possible, i would have thought that the scores would scale at least grossly linearly in function of the actualy extracted throughput, wich is not the case systematicaly, either the game is designed to work this way or it s still an early version that need some tweakings at various levels.
 
Dec 30, 2004
12,554
2
76
Sure,isn't this how they also count FPS?
Are you totally crazy or are you just pretending,you know enough about computers to know that there are monitoring programs out there,even opening up task manager you can see and write down the numbers at any one point.
It shows on the right side of the picture I posted, you can see every core's usage,you can take a screenshot at the same spot for each CPU and actually write down the numbers,even if you would need an hour to jot down each one.


Yeah,games still are not distributed computing,if GTA V has 4 (or however many) exactly equally sized threads then show us a picture as prove.
you're not thinking hard enough about this to be worth my typing it out. I already gave you enough to be able to understand it.

you said:
so the FPS you will get is bound by how fast your main thread will be able to run.

and I just gave you a way to increase single threaded performance 15% on the module running the main thread.
 
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Phynaz

Lifer
Mar 13, 2006
10,140
819
126
It can hardly reach this level unless overvolted, at stock and fully loaded the 9370 is at about 160W while the 9590 will be at 180W, that s a long shot from the official 220W.

Your sarcasm detector is still broken. You should look into that.
 

JDG1980

Golden Member
Jul 18, 2013
1,663
570
136


Also, look at what video cards are needed for 60fps minimum. Have fun paying for a Titan. Unless you dropped an unreasonable amount of money, you're much more likely top be GPU limited than CPU limited across the board. On very high settings your wallet gets hammered if you need 60fps minimum.

Am I missing something? Your own chart shows that a R9 290X or a GTX 970 can do 60+ FPS minimum on the settings specified. These are mid-range cards.
 

skipsneeky2

Diamond Member
May 21, 2011
5,035
1
71
Yea, wonder why, they sort of plummets compared to the rest there... cache sizes?

I emulated both a i3 and a pentium with my i7 3770 non k and i can assure you the pentium emulated resulted in freezing,stuttering and erratic unplayable frames while the cpu was maxed out@100%.More cache and faster overall memory do give the emulated pentium a advantage so imagine what the real one would perform like lol.

I found the i3 to be enjoyable enough,i wouldn't mind recommending it myself in a pinch.
 

Abwx

Lifer
Apr 2, 2011
11,167
3,862
136
Your sarcasm detector is still broken. You should look into that.

What is definitly broken is your ability to understand how a CPU work electricaly speaking, ironicaly you re using your clulessness as an argument.

Out of pity here an hint : (4.7/4.4)^2 = 1.141

Insulting other members is not allowed, or trolling.
Markfw900

This is the power ratio between a 9590 and a 9370, the power numbers i gave are based on Hardware.fr review of the FX9590.

And you, what are your own technical references and credentials..?.

Obviously a ferocious hate for AMD, you should definitly put an end to your constant thread crapping as it s ages that you re bringing absolutely no technical value to this forum, quite the contrary, that s all negativity, contra revenue anyone..?..
 
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