Even though ATI seems to have the high-end DX11 segment in their back pockets, this doesn't mean they are sitting idly by. Today marks the release of the HD 5770, their answer to the mainstream DX11 market. In this review we take a look at the ASUS HD 5770 1GB Voltage Tweak Edition.
http://www.hardwarecanucks.com/forum...on-review.html

The voltage tweak version with GPU @ 1000Mhz beats GTX 260 SP 216!