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[AMD] Polaris based RX 480 and "High performance solutions" announced at computex - Page 98

post #971 of 1394
Quote:
Originally Posted by Dargonplay View Post

https://www.techpowerup.com/gpudb/2466/radeon-r9-270x

6 Pins X 2.

R9 270 - 270X | HD 7870 - 7850 | HD 6870 - HD 6850 |

AMD always release a 6 Pin and a two 6 Pins Connector card, always for the same segment, we have seen Polaris 10 with 6 Pin Power Connectors, Polaris 10 double 6 Pins should be available at roughly the same time and I believe it will cost 300$-329$ sporting Titan X/GTX 1070 performance.

AMD will not hit the 3xx marks. They will keep it $299 MAX. GTX1070 is hard to beat because of super high clocks.
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post #972 of 1394
Quote:
Originally Posted by ZealotKi11er View Post

AMD will not hit the 3xx marks. They will keep it $299 MAX. GTX1070 is hard to beat because of super high clocks.

Hopefully you're right, although a P10 with 1070 performance could easily sell as a 329$ card.

If we look at AMD history on this segment we can make an educated guess as to where P10 300$ should be, at Fury X/980Ti performance.
Quote:
Originally Posted by IRONPIG1 View Post

Wow, I did not see that. Would be truly amazing if gaming performance is comparable to that of $500 cards. Thought it was going to sit around R9 290x performance. GG AMD.

Again that's for VR, the inherent way VR works allows for optimizations techniques that bear no benefits for General Performance things like normal 2D/Monitor Gaming, I'm sure a 200$ P10 will have the same performance as current 500$ cards... For VR.

The only P10 that I believe to sport the performance of current 500$+ is the 300$ P10 with double 6 Pins connector that is meant to replace the good'ol HD 7870 AKA R9 270/270X/370X and should be sporting 980Ti/Titan X Performance.
Edited by Dargonplay - 6/5/16 at 7:56pm
post #973 of 1394
Quote:
Originally Posted by ZealotKi11er View Post

Going from 7970 to 290X AMD beefed up the foundations. From 290X to Fury X the foundations remained the same. Polaris goes back to beefing up the foundations of GCN.

Ahhh you're right, with the new focus on increasing VR performance thus minimum fps increase which is ultimately all that matters in games. Can't wait to see the numbers!
Edited by IRONPIG1 - 6/5/16 at 7:58pm
post #974 of 1394
Quote:
Originally Posted by Rei86 View Post


Why do people with 290/X~390/X looking at this card and talking about replacing theirs for this? This isn't even really a side grade for a lot of people and pretty much for people stuck with 7970/280/380/960/770 etc owners.

I can think of one reason: Price. At $200 the 480 is cheap enough an expense for many to simply write off as an entertainment expense. Perhaps the overclocking will be good and benching will be fun, perhaps they want to see how much performance they can get per Watt, perhaps they want the faster GDDR5 memory, perhaps they want to run two CF cards as opposed to one 290X but only have a 500W PSU, perhaps they simply enjoy new tech and the cost is negligible, etc. Certainly, if you are talking purely performance upgrade, the 480 will be purely a side grade (unless it ends up being Fury-esque in performance) but there are a bunch of other reasons that I can think of that 290X owners could make the jump and it all starts with the very attractive price point. If the card were $350 or more then I would totally agree with you...
post #975 of 1394
Quote:
Originally Posted by Dargonplay View Post

I'm amazed that people still don't know what TFLOPS or Clock Speed means, while they often use them as a measurement between different cards and architectures, which is something as reliable as Donald Trump as President.

TFLOPS can only be used as measurement between two cards of the same architecture, same node, same everything, think of the 290 and 290X, Fury and Fury X.

TFLOPS can be used as a reliable measurement between different cards and architectures IF you intend to measure Compute Performance alone, not overall performance.
There are different Polaris 10 Variants, the Full Fat P10 is rumoured to sell for 300$ and should use two 6 Pins Connector, or a 8 Pin at the very least.

If we look at AMD history of releasing Mainstream and Performance cards (Think of the 7870 - 7850 and HD 6000 - 5000 Series equivalent) They always, without exception, launched a 7870 with more than a 6 Pins Power Connector and then a HD 7850 with a single 6 pin connector, every single generation it has been the same and it have never changed.

Polaris was revealed to have a single 6 Pin Power Connector, and if there is not another Polaris card with an extra 6 Pin connector then this will be the first time in AMD's history that this have happened.

AMD is most likely, if not surely, going to release a Full Fat P10 with a double 6 pins connector for 300$ and this is what's going to compete with a 1070, probably faster than a Fury X.
That is VR performance. General Performance P10 200$ should be around a 390, the real Fiji Performing card should be P10 300$.

I disagree though I cannot base that on actual facts, just a gut feeling. I think the $200 480 will compete much more so with the 390X/980 than the 390, especially if you figure that they get any kind of OC potential out of 14nm FF. Will just have to wait and see...
post #976 of 1394
what are some of you guys smoking?

Tflops is a direct measure of theoretical compute performance. Games rely on single precision compute for performance. AMD have had higher tflop numbers solely because they have more shaders at a decent clock rate. The reason Nvidia cards will often beat AMD cards with less TFLOPs is due to efficiency. The problem with TFLOPs is that its theoretical performance not actual performance. Meaning under the best possible conditions.

The problem with comparing game performance with TFLOPS is that games require things such a geometric processing, fill rate, and rasterization any of which could be a bottleneck. Compute performance is a combination of all those things. So when speaking about TFLOPS it's of that performance across all forms of processing. Games may require larger amount of geometric processing than the gpu cannot produce and it would bottleneck the performance, even though the gpu may have ample enough fill rate and rasterization.

Also when people talk about games not using compute they mean double precision compute so if a gpu has those resources on die, it's effectively wasted in gaming workloads.
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post #977 of 1394
Thats not quite right. Its more that GCN is more compute focused and less powerful in rasterization when you compare it against GM/GP. This is why async shading helps GCN much more. This has been the primary bottleneck in ATI/AMD GPUs since the HD 2900. And that is likely related to the fact that AMD has been pushing its GPUs to be more "general purpose" when it comes to math for HSA.

Compute power is almost 100% shader load only depending on the math you are doing.
Edited by KarathKasun - 6/5/16 at 8:55pm
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post #978 of 1394
I always thought compute was a big reason the 7970 struggled early on vs the 680 (well, and immature drivers)...
post #979 of 1394
Quote:
Originally Posted by KarathKasun View Post

Thats not quite right. Its more that GCN is more compute focused and less powerful in rasterization when you compare it against GM/GP. This is why async shading helps GCN much more. This has been the primary bottleneck in ATI/AMD GPUs since the HD 2900.

async is more about utilization, which helps it achieve higher actual performance. The other side of the problem is utilization aka efficiency.

Games use FP32 or single precision. They have no need for FP64 (double precision)

edit: the problem with the AMD cards is geometric performance aka tessellation. Another problem is AMD cards have a higher ratio of fp64 resources on die compared to Nvidia. This results in a larger die (higher power consumption) in for people who mainly just play games. Most workloads don't involve fp64 so it's basically wasted die space in the gaming segment. It makes sense to have lots of FP64 for workloads that use it, but gaming isn't one of them.
Edited by ebduncan - 6/5/16 at 9:38pm
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post #980 of 1394
Fiji and Tonga dont have lots of FP64 units. I am talking about overall Shader/ROP ratio.

HD2900 had 320/16 vs 128/24 in 8800 GTX.

And more recently Fury X with 4096/64 and Titan X with 3072/96.
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