AMD Radeon HD 7990 Review: 7990 Gets Official
by Ryan Smith on April 24, 2013 12:01 AM EST- Posted in
- GPUs
- AMD
- Radeon
- Radeon HD 7000
- Tahiti
Far Cry 3
The next game in our benchmark suite is Far Cry 3, Ubisoft’s island-jungle action game. A lot like our other jungle game Crysis, Far Cry 3 can be quite tough on GPUs, especially with MSAA and improved alpha-to-coverage checking thrown into the mix. On the other hand it’s still a bit of a pig on the CPU side, and seemingly inexplicably we’ve found that it doesn’t play well with HyperThreading on our testbed, making this the only game we’ve ever had to disable HT for to maximize our framerates.
With Far Cry 3 we see the first real loss for AMD, with the 7990 coming up short against the GTX 690 through every resolution. At 5760 this is about 5%, while at 2560 it’s about 10%. Regardless, the 7990 is still fast enough to shoot well past 60fps at 2560, while 43.5fps at 5760 is going to feel especially poky given Far Cry 3’s annoying input lag in multiple-GPU setups.
Facebook
Twitter
RSS
91 Comments
View All Comments
Ryan Smith - Wednesday, April 24, 2013 - link
One of our goals this year is to get a 4K monitor. But if so it will be a bit more mundane; something cheaper and more accessible, and something that can do 4K off of 1 DP 1.2 connection and present itself as one monitor.mayankleoboy1 - Wednesday, April 24, 2013 - link
How do you use SSAA in Crysis:Warhead ?Ryan Smith - Wednesday, April 24, 2013 - link
You can force it through the drivers on both AMD and NVIDIA cards.Veteranv2 - Wednesday, April 24, 2013 - link
One giant massive pro for the 7990 is compute performance. Nvidia clearly misses the ball there.StealthGhost - Wednesday, April 24, 2013 - link
Massive...for the 5% of people who buy cards like this and don't gameVeteranv2 - Wednesday, April 24, 2013 - link
Not all graphic cards are bought for gaming....And certainly in the future, compute for GPU will be more and more important.
Have you looked at the graphs? AMD has a GIANT leap over Nvidia.
Ktracho - Wednesday, April 24, 2013 - link
I think the compute benchmarking may be flawed. How many people who buy the Titan for compute will use OpenCL? I suspect almost all would be using CUDA. Since CUDA isn't available on AMD cards, I think a better benchmark would be HPL, which is a common benchmark in the HPC world. This would allow each manufacturer to show how much sustained performance a given card is capable of achieving, without being limited by the constraint of having to use OpenCL or DirectCompute, or whatever. Without such benchmark results, all that can be concluded without reservation is that if you must use OpenCL, then you really should limit yourself to AMD (at least for now).BrightCandle - Wednesday, April 24, 2013 - link
Lets be clear, you went live without FCAT results, which are singularly the most important aspect of reviewing this card as every other site has shown. Instead you chose to go with single FPS numbers, again.Pages upon pages of useless numbers, because the card doesn't actually display those frames. Using an older driver would have been better than using a prototype driver users aren't expecting to use for at least another month.
MartinT - Wednesday, April 24, 2013 - link
I agree, the data set in this review is of very limited import, especially for a CF-on-a-stick solution.You probably should have devoted more time to getting frame times into your workflow, and less time benchmarking so many games using less than relevant methodology.
Looking forward to your write up of the frame time data, but this article is a serious waste of time on your part, I'm afraid.
Ryan Smith - Wednesday, April 24, 2013 - link
Obviously we planned to have full FCAT data for this, but fate wasn't so agreeable. In any case FCAT is meant to augment our FPS data, not replace it. So we needed to have the FPS numbers before we could dig into FCAT for the full breakdown.And as a point of clarification, we aren't using the prototype driver for these results. We're using Catalyst 13.5b2, which should see a public release in the very near future. The prototype driver is another driver entirely, which we aren't using for these tests.