rcald2000 :
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ledhead11 I'm a huge fan of tiny tom logan at OC3D. He happen to produce the very best review I've ever seen on two 295x2's in one rig. Below I've pasted both the video component of the GTX 1080 SLI review as well as the 295x2 in Crossfire.
OC3D: MSI GTX1080 SLI Review
https://www.youtube.com/watch?v=byqDvmxek5g
OC3D: OverKILL3D 295X2 Crossfire Review
https://www.youtube.com/watch?v=LPZe244Ufv0
Thanks for the links. He's unbelievably unbiased towards either side and I really appreciate that. I do like his reviews, he's very straight to the point but I'm still feeling a little underwhelmed when thinking about present and future 4k gaming on these first 1080 cards.
It was interesting to learn about the 3 different SLI bridges and how the fastest was still unavailable in the size/length he needed. The written review also mentioned the SLI driver/profile issues. I'm still a little dismayed that games like Doom(2016), GTAV, Witcher3 and many other games released in the last 6 months were not included as they've really become the newer 4k benchmarks.
The Metro 4k benchmarks are kind of funny when my system listed below easily rocks it at 4k/60fps(only compromise is AA 2x). That's because the Metro's were one of the few games listed that use a dedicated PhysX gpu driver plus SLI and I've got 2 970's in SLI and 780 for physx. Arkham City also performs similarily.
Some Vram monitoring specs would be nice as well. My laptop has 2x980m's(the clocks suck) but they each have 8gb vram. In 4k/60hz I've seen numerous games push from 4 to 6+gb and I don't believe it will be too long before the 8gb ceiling starts getting hit, but again that's why benches with newer titles would be nice.
When this thread was started I believe the question involved 3-way SLI which Nvidia has officially they won't support for gaming purpose. I believe the intent anyone would want to do that for gaming is 4k/120-144hz and its painfully obvious now that 2 can't do that(yet). I've been an Nvidia fan for over 10 years now and I know their updated drivers can make a difference. We'll just have to wait and see.
Thanks again for the links, I didn't know he did video reviews and it was fun to see that rig!!!