I built my system for video editing, Windows 7 Ultimate, i7 920Mhz, 24Gb RAM, ASUS Rampage III Extreme motherboard and EVGA GeForce GTX 570 video card. I decided to upgrade my video card to EVGA 660Ti with many more CUDA processors and 3GB memory, but when I rendered some video I got this message "The project was last used with Mercury Playback Engine GPU Acceleration, which is not available on this system. Mercury Playback Engine Software only will be used." and it seemed the rendering was slower. Even though the EVGA newer Video cards have more memory and processor power and more CUDA cores and score better on Windows Experience Intex, Adobe does not approve them and say they use Merecury Playback Engine GPU Acceleration. Why? The Quadro cards are much more expensive have less memory, fewer CUDA cores but are rated higher by Adobe for Premiere and rendering, why is that? What gives? Why are the EVGA cards that seem more powerful and less expensive rated lower than the Quadro cards? Will this ever change?
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