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Any SLI 970 benchmarks?
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r9 285 isn't full tonga. The full part has 2048 shaders vs 1792. AMD has admitted full Tonga has 4 more CU which is 256 more shaders or 14% more. But shaders scale worse as you go up as you run into other bottlenecks in the architecture. So 14% more shaders won't equal 14% more performance.
" AMD has confirmed to us that Tonga is indeed hiding four more compute units than are active in the R9 285, so the diagram above ought to be accurate in that regard. "
http://techreport.com/review/26997/amd-radeon-r9-285-graphics-card-reviewed/2
Still torn about getting a 970 over my 680 SLI 2gb.
Any advice folks? I game at 2560 res
Anyone seen any physical sizes for the MSI 970?
If this is priced well then we have a damn good card here!
Also, for those 256bit non-believers. Seems fine doing high AA and UHD to me...
The cards are bandwidth limited, a couple of sites, even TPU have noted that real world benefit from overclocking is not as high as the overclock percentage.
That to me is the cards not having enough bandwidth to take advantage of the ALU performance.
Ignore this guy.
Can you point me in the direction of the bandwidth limitations please. Not being sarcastic, just lazy because what i have seen so far looks fine to me.
Can you point me in the direction of the bandwidth limitations please. Not being sarcastic, just lazy because what i have seen so far looks fine to me.
Can't go through them now as I'm at work but techpowerup hassle it listed ad a negative in there conclusion.
Value and Conclusion
•NVIDIA's MSRP for the GeForce GTX 980 is $1,000,000.
•Amazingly low power consumption
•Greatly improved efficiency
•Faster than GTX 780 Ti
•Quiet
•Good overclocking potential
•Reasonable pricing
•3x DisplayPort output with G-Sync Surround support
•HDMI 2.0
•4 GB VRAM
•Backplate included
•New software features (MFAA, DSR)
•Performance increase over GTX 780 Ti not very big
•High overclocking potential doesn't turn into that much real-life performance
These improvements in power consumption have also enabled NVIDIA to reduce noise levels of their card considerably, making gaming on it a quiet experience. With 34 dBA, the card is very quiet for its performance class, but I still see some headroom to reduce noise some more, which is something that board partners will certainly capitalize on.
Overclocking on our sample worked extremely well in terms of frequencies. We could increase GPU clock by 20%, which is higher than most launch samples we've tested before. However, due to NVIDIA's power capping and thermal protection (80°C), this translates into less real-life performance than expected. Compared to the best manually overclocked GTX 780 Ti we've reviewed, real-life performance is roughly on par. NVIDIA does give you some controls in their driver to improve overclocking performance, namely +25% power limit and up to 94°C thermal limit. I also expect additional performance improvements with custom boards, once board partners figure out all the magic performance dials. It's also good to see Samsung memory chips used, which, as expected reach roughly 2 GHz maximum clock in our testing, definitely better than chips from Elpida.