Holy crap ! Indeed.. It's basically running more or less as good as @ 1080p with AO on. A tiny bit faster or slower depending on the scene.
Running everything at stock clocks. Asus AI and Steam were running in the background -forgot to close them down, but I don't think they affect the score by much at all.
SSAO is a heavy effect in rendering, let alone real-time rendering. Since it's not SSAO in heaven but SSDO (Scene Space Directional Occlusion), it is heavier than classic SSAO. Plus quality of the effect is pretty high already at 1080p so with almost 1.8x more pixels to render + antialiasing, I think it's totally logical that the impact is huge. Now, considering the power of two GTX 680, I think Nvidia could improve things and lessen the performance loss pretty well. I think NV drivers quality is falling lately. AMD is on a better way with their hard work..
CPU: i7-3820 @3.6ghz Drivers: 314.09 Extreme Preset @1080p FPS: 71.1 Score: 1792 Min FPS: 24.0 Max FPS: 156.4
Using my 24/7 stable overclocks: Intel Core i7 3960X @ 4.5GHz ASRock Extreme11 @ 36 x 125MHz 32GB G.Skill Ripjaws Z @ 2333 DDR Three Nvidia GTX Titans in 3-Way SLI -- 314.14 drivers / driver defaults / +125 core +250 memory 256GB Vertex 4 SSD Six 512GB Vertex 4 SSDs in RAID-0 4TB Deskstar 7K4000 HDD Pioneer BDR-206 BD-RW Cooler Master HAF-X case Thermaltake Water 2.0 Extreme cooler Corsair AX1200 power supply
That's strange. I ran Heaven & Valley with the latest drivers and got practically the same avg fps for both.
No big deal. No differences in games. Just strange... Definitely 680 at SLI is not the same as 670 single.
I`ve found a cause: 'Vertical sync ' setting in Global settings (=Adaptive) was not overridden by Heaven`s profile setting (=Off)