desiibond
Keymaster
Take a look at this: Dirt 2 benchmarks - DX 9 vs. DX 11 - Update: Radeon HD 5970 results - Colin McRae Dirt 2, DirectX 9 vs. DirectX 11, Test, Benchmark - PC Games Hardware
For a simple game like Dirt 2, HD5770 gives some 55 fps max in dx9 mode but when run in dx11 mode, it gives some 33fps. And this is just at 1280x1024 resolution with full settings.
Imaging playing a graphically intense game like Alan Wake in dx11 mode and FullHD.
YOU JUST CAN'T PLAY IT WITH HD5770.
And at FullHD, HD5770 gives some 46fps in dx9 mode and just 31fps in dx10 mode. GTX275 on the other hand monsters 56fps in dx10 mode FullHD.
For a simple game like Dirt 2, HD5770 gives some 55 fps max in dx9 mode but when run in dx11 mode, it gives some 33fps. And this is just at 1280x1024 resolution with full settings.
Imaging playing a graphically intense game like Alan Wake in dx11 mode and FullHD.
YOU JUST CAN'T PLAY IT WITH HD5770.
And at FullHD, HD5770 gives some 46fps in dx9 mode and just 31fps in dx10 mode. GTX275 on the other hand monsters 56fps in dx10 mode FullHD.