The AMD Radeon RX 480 Preview: Polaris Makes Its Mainstream Mark
by Ryan Smith on June 29, 2016 9:00 AM ESTGaming Performance
So with the basics of the architecture and core configuration behind us, let’s dive into some numbers.
Overall, AMD is pitching the RX 480 as a card suitable for 1440p gaming as well as 1080p gaming and VR gaming. In the case of 1080p the card is clearly powerful enough, as even Crysis 3 at its highest quality setting is flirting with 60fps. However when it comes to 1440p, the RX 480 feels like it’s coming up a bit short; other than DiRT Rally, performance is a bit low for the 60fps PC gamer. Traditionally cards in the $199-$249 mainstream range have been 1080p gaming cards, and in the long run I think this is where RX 480 will settle at as well.
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Yojimbo - Wednesday, June 29, 2016 - link
Why? Who is going to switch from a GTX 980 to an RX 480 for performance in two DX12 games? I don't think those two DX12 titles can accurately be thought of as being fully representative of DX12 performance, especially since they seem to favor AMD cards to begin with, so it doesn't show the sort of categorical comparison you are implying.smackosaurus - Wednesday, June 29, 2016 - link
Well if there are more like me out there and have several family members each with their own PC.. cards have to last a couple of years AND be affordable for the average joe. Since DX 12 is replacing DX1 and every major title announced lately and probably every major title in the future will be Dx12.. the Value of the 480 sticks out. Especially since ever the flagship 1080 has to use software emulation for some DX12 features, because Nvidia decided to just plain leave it out of the hardware. Preemption=/=asyncYojimbo - Thursday, June 30, 2016 - link
I don't think it's certain that DX12 will completely replace DX11, even in major titles. But even if so, that does nothing to change the fact that the number of DX 12 titles available now to benchmark is quite small, resulting in a small sample size. With a small sample size one is not able to make the broad inferences you would like to make. The 980 is likely to be discontinued anyway shortly after the 1060 comes out, completely destroying any reason at all for having it in the charts.Maxwell does have hardware support for asynchronous compute. Pascal has an enhanced version of it. async != ACE. ACEs are task schedulers which are used in AMD's method of supporting asynchronous compute. I have a feeling that the idea that NVIDIA does asynchronous compute "in software" has to do with the fact that NVIDIA was working on driver optimizations to try to make the asynchronous compute implementation in Ashes of the Singularity show benefit on NVIDIA's hardware. I'm not sure if NVIDIA ever achieved that or if they've given up or what, but to my understanding NVIDIA was turning the feature off in their driver profile for Ashes of the Singularity because with Oxide's implementation and NVIDIA's method asynchronous compute actually caused the game to run more slowly than it did without it. Again, one game and one implementation is a small sample size. It doesn't tell you much on its own. Independent testing showed there were situations, even on Maxwell hardware, where NVIDIA's method produced a larger speed boost from asynchronous compute than AMD's method. Another thing to consider is that the speed boost that AMD gets in DX 12 with asynchronous compute has something to do with the fact that AMD tends to make less efficient use of their compute throughput than NVIDIA without asynchronous compute. Finally, considering that AotS was designed from the beginning as a Mantle game, it isn't just one data point, it's also perhaps not a very reliable one.
For more information on asynchronous compute in Pascal, perhaps this video will be informative:
https://www.youtube.com/watch?v=Bh7ECiXfMWQ
cocochanel - Thursday, June 30, 2016 - link
DX12 is the latest and the best graphics API Microsoft has ever made. All future games, be they for the PC or Xbox One will use it. How can anyone sell a card that performs poorly on it ? And sell it for 800+ dollars ?Yojimbo - Thursday, June 30, 2016 - link
The GTX 1080 does not perform poorly on DX12 games. What benchmarks have you been looking at?!cocochanel - Saturday, July 2, 2016 - link
http://www.pcworld.com/article/3071037/hardware/nv...crimson117 - Wednesday, June 29, 2016 - link
Typo: For the 480 4GB model, VRAM is listed as 8GB in the table on page 1,webdoctors - Wednesday, June 29, 2016 - link
I called it a month ago when the new cards starting coming out.The $200 market is really competitive and you're competing against not just the current cards but previous generations one level up. You're already seeing GTX970 cards at the same pricepoint after rebate in the USA as this "new" RX 480 card.
Will have to wait for the 1060 review, but it'll likely wipe this card out of the landscape since this one only matches Maxwell Perf/W and perf is only GTX970 levels...win for consumers but not so much for AMD.
maccorf - Wednesday, June 29, 2016 - link
Love comments like this...so a $330+ card with no currently known benchmarks will "likely wipe" a $240, well performing card "out of the landscape"? That is an entire jump in cost market, and you don't even know what the 1060 will do. "I called it..." LOL called what? This card being the new standard for performance and price? The only reason those GTX970 cards are coming down are because of the RX 480. People are so absurd with this, is it even possible for you trolls to ever admit you're completely and utterly biased?mdriftmeyer - Wednesday, June 29, 2016 - link
It's not possible for these grown children to act like adults.