Left 4 Dead
XFX HD 5750 runs nice but lags behind the HD 4850 512MB by a few frames throughout the test. Mushkin's HD 4850 OC runs up to 8% faster than the reference card and up to 15% faster than the HD 5750, although occasional scenarios resulted in more than 15% difference.
World in Conflict
Similarly to the previous games, Mushkin HD 4850 OC outruns the reference card as well as the HD 5750, which loses by up to 8%. This game sees very little difference between the reference HD 4850 and the HD 5750.