AMD's Radeon HD 6970 & Radeon HD 6950: Paving The Future For AMD
by Ryan Smith on December 15, 2010 12:01 AM ESTCrysis: Warhead
Kicking things off as always is Crysis: Warhead, still one of the toughest game in our benchmark suite. Even 2 years since the release of the original Crysis, “but can it run Crysis?” is still an important question, and the answer continues to be “no.” While we’re closer than ever, full Enthusiast settings at a playable framerate is still beyond the grasp of a single card.
Crysis starts things off well for AMD. Keeping an eye on 2560 and 1920, not only does the 6970 start things off with a slight lead over NVIDIA’s GTX 570, but even the cheaper 6950 holds parity. In the case of the 6900 series it also hits a special milestone at 2560, being the first AMD single-GPU cards to surpass 30fps. This also gives us our first inkling of 6950 performance relative to 5870 performance – as expected the 6950 is faster, but at 5-10% not fantastically so. Crysis does push in excess of 2mil polygons/frame, but the 6900 series’ improvements are best suited for when tessellation is in use.
Meanwhile our CrossFire setups are unusually close, with barely 2fps separating the 6970CF and 6950CF. It’s unlikely we’re CPU limited at 2560, so we may be looking at being ROP-limited, as the ROPs are the only constant between the two cards.
With 2GB of RAM our AMD cards finally break out of the minimum framerate crash Crysis experiences with 1GB AMD cards. Our rankings are similar to our averages, with the 6970 taking a small lead while the 6950 holds close to the 570.
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Ryan Smith - Wednesday, December 15, 2010 - link
Exactly the same as on Cypress.L2: 128KB per ROP block (so 512KB)
L1: 8KB per SIMD
LDS: 32KB per SIMD
GDS: 64KB
http://images.anandtech.com/doci/4061/MidLevelView...
I don't have the register file size readily available.
DanNeely - Wednesday, December 15, 2010 - link
How likely is the decrease from 2 to 1 operations per clock likely to affect real world applications?yeraldin37 - Wednesday, December 15, 2010 - link
My current cards are running at 870Mhz(GPU) and 1100Mhz(clock), faster than stock 5870, those benchmarks for new 6970 are really disappointing, I was seriously expecting to get a single 6970 for Christmas to replace my 5850OC CF cards and make room for additional cards or even have a free pcie to plug my gtx460 for physx capability. I was going to be happy to get at least 80% of my current 5850CF setup from new 6970. what a joke! I will not make any move and wait for upcoming next generation 28nm amd GPU's. We have to be fair and mention all great efforts from AMD team to bring new technology to newest radeon cards, however not enough performance for die hard gamers. If gtx 580 were 20% cheaper I might consider to buy one, I personally never ever pay more than $400 for one(1) video card.Nfarce - Wednesday, December 15, 2010 - link
Reading Tom's Hardware they essentially slam AMD's marketing these cards as a 570-580 beater. Guru3D is also less than friendly. Interstingly, *both* sites have benches showing the 570 an d580 beating the 6950 and 6970 commandingly. What's up with that exactly?fausto412 - Wednesday, December 15, 2010 - link
it's called AMD didn't deliver on the hype...they deserve to get slammed.medi01 - Wednesday, December 15, 2010 - link
AMD delivers cards with better performance/price ratio that also consume less power. How come there is a reason to "slam", eh?zst3250 - Friday, December 31, 2010 - link
Off yourself cretin, prefearbly by getting your cranium kicked in.Mr Perfect - Thursday, December 16, 2010 - link
Wait, is Tom's reputable again? Haven't read that site since the Athlon XP was new....AnnonymousCoward - Wednesday, December 15, 2010 - link
As a 30" owner and gamer, I would never run at 2560x1600 with AA enabled if that causes <60fps. I'd disable AA. Who wouldn't value framerate over AA? So when the fps is <60, please compare cards at 2560x1600 without AA, so that I'm able to apply the results to a purchase decision.SimpJee - Wednesday, December 15, 2010 - link
Greetings, also a 30'' gamer. If you see the FPS above 30 with AA enabled, you can assume it will be (much) higher without it enabled so what's the point in actually having the author bench it without AA? Plus, anything above 30 FPS is just icing on the cake as far as I'm concerned.