The NVIDIA GeForce GTX 1080 & GTX 1070 Founders Editions Review: Kicking Off the FinFET Generation
by Ryan Smith on July 20, 2016 8:45 AM ESTThe Witcher 3
The third game in CD Projekt RED’s expansive RPG series, The Witcher 3 is our RPG benchmark of choice. Utilizing the company’s in-house engine, REDengine 3, The Witcher makes use of an array of DirectX 11 features, all of which combine to make the game both stunning and surprisingly GPU-intensive. Our benchmark is based on an action-heavy in-engine cutscene early in the game, and Hairworks is disabled.
The GTX 1080 never doesn’t lead in our benchmarks, but The Witcher 3 is another strong showing for the card. At 44fps for 4K, it’s three-quarters of the way to 60fps, with gives us a reasonably playable framerate even at these high quality settings. However to get 60fps you’ll still have to back off on the quality settings or resolution. Meanwhile the GTX 1070, although capable of better than 30fps at 4K, is more at home at 1440p, where the card just cracks 60fps.
Looking at the generational comparisons, the Pascal cards are about average under The Witcher 3. GTX 1080 leads GTX 980 by an average of 66%, and GTX 1070 leads GTX 970 by 58%. Similarly, the gap between the two Pascal cards is pretty typical at 24% in favor of the GTX 1080.
Finally, checking in on poor Kepler, we find GTX 680 at 31.3fps at 1080p, as compared to GTX 1080’s 100.3fps. This gives NVIDIA’s latest flagship a 3.2x advantage over its 4 year old predecessor.
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TestKing123 - Wednesday, July 20, 2016 - link
Then you're woefully behind the times since other sites can do this better. If you're not able to re-run a benchmark for a game with a pretty significant patch like Tomb Raider, or a high profile game like Doom with a significant performance patch like Vulcan that's been out for over a week, then you're workflow is flawed and this site won't stand a chance against the other crop. I'm pretty sure you're seeing this already if you have any sort of metrics tracking in place.TheinsanegamerN - Wednesday, July 20, 2016 - link
So question, if you started this article on may 14th, was their no time in the over 2 months to add one game to that benchmark list?nathanddrews - Wednesday, July 20, 2016 - link
Seems like an official addendum is necessary at some point. Doom on Vulkan is amazing. Dota 2 on Vulkan is great, too (and would be useful in reviews of low end to mainstream GPUs especially). Talos... not so much.Eden-K121D - Thursday, July 21, 2016 - link
Talos Principle was a proof of conceptajlueke - Friday, July 22, 2016 - link
http://www.pcgamer.com/doom-benchmarks-return-vulk...Addendum complete.
mczak - Wednesday, July 20, 2016 - link
The table with the native FP throughput rates isn't correct on page 5. Either it's in terms of flops, then gp104 fp16 would be 1:64. Or it's in terms of hw instruction throughput - then gp100 would be 1:1. (Interestingly, the sandra numbers for half-float are indeed 1:128 - suggesting it didn't make any use of fp16 packing at all.)Ryan Smith - Wednesday, July 20, 2016 - link
Ahh, right you are. I was going for the FLOPs rate, but wrote down the wrong value. Thanks!As for the Sandra numbers, they're not super precise. But it's an obvious indication of what's going on under the hood. When the same CUDA 7.5 code path gives you wildly different results on Pascal, then you know something has changed...
BurntMyBacon - Thursday, July 21, 2016 - link
Did nVidia somehow limit the ability to promote FP16 operations to FP32? If not, I don't see the point in creating such a slow performing FP16 mode in the first place. Why waste die space when an intelligent designer can just promote the commands to get normal speeds out of the chip anyways? Sure you miss out on speed doubling through packing, but that is still much better than the 1/128 (1/64) rate you get using the provided FP16 mode.Scali - Thursday, July 21, 2016 - link
I think they can just do that in the shader compiler. Any FP16 operation gets replaced by an FP32 one.Only reading from buffers and writing to buffers with FP16 content should remain FP16. Then again, if their driver is smart enough, it can even promote all buffers to FP32 as well (as long as the GPU is the only one accessing the data, the actual representation doesn't matter. Only when the CPU also accesses the data, does it actually need to be FP16).
owan - Wednesday, July 20, 2016 - link
Only 2 months late and published the day after a different major GPU release. What happened to this place?