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First off, it's aimed at the 6900 series cards but runs fine on the 5800 too since there's not any major chipset difference except a few scaling and speed tweaks really, must say though for the 655mb size I was completely unimpressed with it, most of the old demos...
amd
art
catalyst
deferredlighting
demo
depthoffield
development
directx 11
game engine
gaming
graphics
graphics card
hd6900
performance
physics
post processing
radeon
tech demo
tessellation
windows vista