Max TDP would be the usual 300W. At that TDP, double GM204 would be able to achieve max clock speeds and be fully enabled, without much binning effort.With Maxwell's perf/watt, seems a dual GPU card is begging to be launched. Interested in seeing one? What's possible? Two fully enabled GM204 cores? Max TDP, clock speeds? Limited to ref PCB/cooling?
Max TDP would be the usual 300W. At that TDP, double GM204 would be able to achieve max clock speeds and be fully enabled, without much binning effort.
My prediction is that it will have incomplete driver support and give unsatisfactory performance in a wide variety of games. Just like every other dual GPU setup.
I was under the impression that Dual GPU cards do not have the issues that most SLI/Xfire setups run into, or am I just crazy?
Nah, a dual GPU is still a dual GPU. It's still two processors running in SLI, with split memory pools, but instead of using a XFire bridge to communicate they use an on-card connection. In terms of game compatibility they're no better than two cards sat side by side.
My GTX690 has been a workhorse, but I'd love two 970's on a single PCB. I could use the extra VRAM.
I did not know that! So with something involving VR like the upcoming Oculus Rift, you would likely be using a single GPU regardless because of stutter...
One thing I think is kind of interesting about gsync is most people (myself included) report that games that still stuttered with SLI are now effectively fixed with gsync enable. Far Cry 3 for example has been one of those games that despite frame rate always ran with a lot of stutter, it seemed inherient to the engine and adding SLI just made the situation worse. Its smooth under gsync. VR is definitely going to want a very high frame rate diminishing the impact of stutter and ideally also using async technology as well. Then SLI will just bring faster performance and the cadence of the screen will be a non issue.
I think they need to fix SLI first since it looks pretty bad atm. Then do a dual card.
http://www.guru3d.com/articles-pages/geforce-gtx-980-sli-review,9.html
More options is welcome to the market. If the costs of launching GM200 are too high for now, it could be beneficial to launch a dual-GPU GM204 and get even more GM204 chips sold. It's just business. I just hope if NV does this, they put 16GB on the card because while 690 is still a powerhouse, it's undermined by only 2GB of VRAM. For $1000, I would prefer 990 with dual 970s and 16GB of VRAM rather than 990 with dual 980s and 8GB so the 690 situation is not repeated. As far as SLI/CF for dual-GPU setups, PCPer, LinusTechTips, HardOCP, TechReport have said that for dual cards the experience is good. It's when you get into 3-4 GPU setups that scaling and stuttering can become problematic. Of course if GM200 is not far from launching, then it's more preferable.
I've been asking if there was going to be a GM106 Geforce GTX 750Ti Boost w/ SLI support.
A dual GM204 Geforce GTX 990 4GB is likely coming next spring or whenever AMD releases the Radeon R9 390/X cards.