Official AMD Polaris Review Thread: Radeon RX 480, RX 470, and RX 460

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R0H1T

Platinum Member
Jan 12, 2013
2,582
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I'm not buying $179. I think it's going to be $159. $179 some OCed AIBs, sure.
It could be ~180 for the 8GB (AIB) models, if there are any, with the 4GB ones sticking closer to ~150$ but it depends on how much gimped the 470 is, though traditionally the XX50 cards from AMD have been excellent VFM.
 

IEC

Elite Member
Super Moderator
Jun 10, 2004
14,356
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It'll probably be about 10% slower than a RX 480, so hopefully it'll be more than 10% cheaper... especially since that Sapphire card seems to have 4+1 VRM phases instead of the 6+1 of the RX 480, though the PCB looks... familiar.

I would not be surprised to see some "Unlockable" RX 470 cards, especially the early reference models.

Edit: I just compared the PCB versus the ones in my teardown thread and that supposed Sapphire RX 470 PCB looks identical to the RX 480 PCB from Sapphire (MBA). The only difference is the removal of some surface mount components such as 2 VRM phases.
 
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boozzer

Golden Member
Jan 12, 2012
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It'll probably be about 10% slower than a RX 480, so hopefully it'll be more than 10% cheaper... especially since that Sapphire card seems to have 4+1 VRM phases instead of the 6+1 of the RX 480, though the PCB looks... familiar.

I would not be surprised to see some "Unlockable" RX 470 cards, especially the early reference models.

Edit: I just compared the PCB versus the ones in my teardown thread and that supposed Sapphire RX 470 PCB looks identical to the RX 480 PCB from Sapphire (MBA). The only difference is the removal of some surface mount components such as 2 VRM phases.
if only 10% slower, being 20$ cheaper is completely ok.
 

garagisti

Senior member
Aug 7, 2007
592
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Last I heard GTX 1050 coming in December. Maybe that will get pulled forward given the 460 is supposed to be out at the end of this month.

It's interesting since the 1060 was obviously NVs response to the 480 and it's really heated up the competition between the two in that price segment. Meanwhile the response to the 460 is....erm, the $1200 Titan? You wonder if NV really are going to sit back and let AMD have the entire <$200 market to themselves for months. I hope so for the sake of AMD getting some much needed cash and marketshare but I hope not for the sake of competition.

Personally I'm looking forward to seeing the perf/w for the 470 and 460 to see if we can put the brakes on the 'AMD fails again with Polaris!' train.
Problem is, supply of all Pascal based chips is on the lower side.
 

Thinker_145

Senior member
Apr 19, 2016
609
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So AIB 480s are a complete disappointment.


Threadcrapping and trolling are not allowed
Markfw900
 
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Nov 2, 2013
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Some joker over on videocardz posted this image.



Interesting thing about it, if true, is that 5.9TFlop number requires a clockspeed of 1.44Ghz
 

lukart

Member
Oct 27, 2014
172
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It could be ~180 for the 8GB (AIB) models, if there are any, with the 4GB ones sticking closer to ~150$ but it depends on how much gimped the 470 is, though traditionally the XX50 cards from AMD have been excellent VFM.


It was never meant to be 149$ like I been saying for months.
Also there wont be any reference design cards all AIB boards from day one.
Which they are set to work out their clocks by their own.

179$ 4Gb performance its more than 10% less than 480 I can tell you. Depends if you compare the 4Gb 480 or 8Gb (as the mem clocks are different)

Some could do 8Gb but it doesn't make sense in a pricing point.
 

Yakk

Golden Member
May 28, 2016
1,574
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Well Siggraph is about to start so I guess somebody was having fun.

#BETTERBLUE
 

dark zero

Platinum Member
Jun 2, 2015
2,655
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That Firepro... has better features than the Radon itself... and wondering what is their FP64 performance.

Also... waiting the clock of the 460... INBF can clock even higher than the 480 :V

And finally... nVIDIA has no counter for the 460. Maxwell is being nerfed and there are no plans for GT 1040... so all the market is free for the RX460. And finally wondering if there are 2 versions: with 8 pin connector and the fanless version
 

garagisti

Senior member
Aug 7, 2007
592
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That Firepro... has better features than the Radon itself... and wondering what is their FP64 performance.

Also... waiting the clock of the 460... INBF can clock even higher than the 480 :V

And finally... nVIDIA has no counter for the 460. Maxwell is being nerfed and there are no plans for GT 1040... so all the market is free for the RX460. And finally wondering if there are 2 versions: with 8 pin connector and the fanless version
Would you please share what features that the Firepro as that the Radeon doesn't? Or, a link to the source where such information can be found.
 

krumme

Diamond Member
Oct 9, 2009
5,956
1,595
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Oc bios setting gives +3% perf vs standard bios setting. Its costly 3%.
High power usage leads to moderately high noise.
480 ref is clearly already working way outside optimal freq for for the process. Even if its only 20w above 1060 ref. Those oc editions only shows it more obvious. Ofcource performance is high. Like an oc 390x model but damn its oc to the max max.
I would be very interested in power usage for a 900MHz model in relation to Stilt graph of fmax vs voltaga. What data do we have here?
 

crisium

Platinum Member
Aug 19, 2001
2,643
615
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The 8GB Nitro seems much better than the Asus Strix. The quiet mode outperforms the Asus and is quieter than it. The Boost mode manages a tiny bit more performance but adds a lot more noise, as an option for those with a good noise cancelling setup or are willing to tolerate the noise.

Now the caveat is that the Asus Strix targets a lower temperature. So with a custom fan curve set to the same temperature this may not be necessarily true. The Strix also uses less power, but again is a bit slower. Just from what we see here though, I'd favor the Nitro unless you are really concerned about power consumption (get the 1060 then maybe?).

The 8GB Nitro is 10-11% faster than the 4GB Nitro. Significant enough to where the 8GB with boost can beat a 1060, but the 4GB lags behind even with boost.
 

raghu78

Diamond Member
Aug 23, 2012
4,093
1,475
136
The 8GB Nitro seems much better than the Asus Strix. The quiet mode outperforms the Asus and is quieter than it. The Boost mode manages a tiny bit more performance but adds a lot more noise, as an option for those with a good noise cancelling setup or are willing to tolerate the noise.

Now the caveat is that the Asus Strix targets a lower temperature. So with a custom fan curve set to the same temperature this may not be necessarily true. The Strix also uses less power, but again is a bit slower. Just from what we see here though, I'd favor the Nitro unless you are really concerned about power consumption (get the 1060 then maybe?).

The 8GB Nitro is 10-11% faster than the 4GB Nitro. Significant enough to where the 8GB with boost can beat a 1060, but the 4GB lags behind even with boost.

4GB Nitro seems to be using 7 Gbps memory and 8 GB Nitro using 8 Gbps memory. Rx 480 loves bandwidth and even with 256 GB/s it gains performance from pure memory overclocking at same core clocks.

https://www.computerbase.de/2016-06/radeon-rx-480-test/12/

I would recommend the 480 Nitro 8 GB over 4GB version as its more future proof from VRAM and bandwidth point of view.
 

Abwx

Lifer
Apr 2, 2011
11,168
3,862
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I would be very interested in power usage for a 900MHz model in relation to Stilt graph of fmax vs voltaga. What data do we have here?

(F2/F1)(V2/V1)^2.

F1 and V1 for frequency/voltage at say 1265MHz and F2-V2 being 900MHz and the related voltage, for instance 1.05V/1265MHz and 0.85V/900MHz will yield 0.466x the power for the GPU alone.
 

Snarf Snarf

Senior member
Feb 19, 2015
399
327
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The Nitro looks like a really nice performing card. I really want to see a review with a wider variety of games with some DX12 games in the mix to see the real perf/$ value.

That being said those are titles GCN has struggled with in the past and it looks to be pretty close to GTX 1060 performance with a bit more power consumption. If GCN optimized DX12 titles start to get mixed into the relative performance comparisons the RX 480 really starts to make a lot of sense for consumers.
 

raghu78

Diamond Member
Aug 23, 2012
4,093
1,475
136
The Nitro looks like a really nice performing card. I really want to see a review with a wider variety of games with some DX12 games in the mix to see the real perf/$ value.

That being said those are titles GCN has struggled with in the past and it looks to be pretty close to GTX 1060 performance with a bit more power consumption. If GCN optimized DX12 titles start to get mixed into the relative performance comparisons the RX 480 really starts to make a lot of sense for consumers.

Unfortunately for AMD the GF 14LPP process has hampered its potential. This chip needed to clock at 1400 Mhz and draw power of 120w. I think we will see a second revision of Polaris chips as mentioned in the Rx 400 series naming scheme once the process issues are worked out. I think the Rx 485 will come in Q1 2017 and eventually prove to be a very good chip.
 

Stuka87

Diamond Member
Dec 10, 2010
6,240
2,559
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Unfortunately for AMD the GF 14LPP process has hampered its potential. This chip needed to clock at 1400 Mhz and draw power of 120w. I think we will see a second revision of Polaris chips as mentioned in the Rx 400 series naming scheme once the process issues are worked out. I think the Rx 485 will come in Q1 2017 and eventually prove to be a very good chip.

I don't see Polaris 10 getting that much lower in power at that speed. GCN as an architecture will always use more power than what nVidia has been putting out. AMD is not about to remove all their compute power, so their power usage is not going to drop. nVidia will eventually need to add compute back, or do some other major architectural change in the future for the DX12 world.

I am sure the 485 will be more efficient, but don't expect a huge drop in power consumption.
 
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