post #21 of 21
Who said a replacement has to be faster ? The OP asked what's the equivalent in 6xxx cards.

There's no way HD6870 replaces the HD5770. The first was a $250 card, the second was only $150, not to mention they're worlds apart in terms of performance.

5770 -> 6770
5850 -> 6850
5870 -> 6870