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
AMD rarely has Linux drivers ready for the press ahead of a launch. This is one such occasion.MeanBruce - Wednesday, December 15, 2010 - link
Great job on the review Ryan, hope you will cover the upcoming Nvidia 560 and 550 when they arrive. Peace Brother!gescom - Wednesday, December 15, 2010 - link
Please Anand make an update with a new 10.12 driver. Great review btw.knowom - Wednesday, December 15, 2010 - link
Until you keep into consideration1) Driver support
2) Cuda
3) PhysX
I also prefer the lower idle noise, but higher load noise than the reverse for Ati because when your gaming usually you have your sound turned up a lot it's when you aren't gaming is when noise is more of the issue for seeking a quieter system.
It's a better trade off in my view, but they are both pretty even in terms of noise for idle and load regardless and a far cry from quite compared to other solutions from both vendors if that's what your worried about not to mention non reference cooler designs effect that situation by leaps and bounds..
Acanthus - Wednesday, December 15, 2010 - link
AMD has been updating drivers more aggressively than Nvidia lately. (the last year)Anecdotally, my GTX285 has had a lot more game issues than my 4890. Specifically in NWN2 and Civ5.
Cuda is irrelevant unless you are doing heavy 1. photoshop, 2. video encoding.
PhysX is still a crappy gimmick at this point and needs to offer real visual improvements without a 40%+ performance hit.
smookyolo - Wednesday, December 15, 2010 - link
PhysX may be a gimmick in games, but it's one of the better ones.Also, guess what... it's being used all over the 3D animation industry.
And guess where the real money comes from? The industry.
fausto412 - Wednesday, December 15, 2010 - link
physx is a gimmick that has been around for some time and will never take hold. when physx came around it set a new standard but since then developers have adopted havok more commonly since it doesn't require extra hardware.it's all marketing and not a worthy decision point when buying a new card
jackstar7 - Wednesday, December 15, 2010 - link
Alternately, my triple-monitor setup makes AMD the obvious choice.beepboy - Wednesday, December 15, 2010 - link
Agreed on triple-monitor setup. You can make the argument that 2x 460s are cheaper and nets better performance but at the end of the day 2x 460s will be louder, use more power, more heat, etc over a single 69xx. I just want my triple monitor setup, damn it.codedivine - Wednesday, December 15, 2010 - link
Any info on cache sizes and register files?