http://www.tomshardware.com/reviews/radeon-geforce-comparison,2007-18.html

Also: http://www.tomshardware.com/reviews/4870-x2-amd,1992-4.html

Keep in mind that driver releases may change things a little bit (a good example is the 8800GTS outperforming the OC version of the same card).

Of particular interest in FSX is that adding antialiasing may increase fps because of the way the title handles image rending, and adding aa shifts more of the load to the GPU instead of the CPU doing it. . .interesting!


Here are some excerpts-

FSX:
(http://media.bestofmicro.com/A/W/155912/original/chart_50_msflightx_sp2_1680_aa.png)


(http://media.bestofmicro.com/I/F/153591/original/flightsim1.png)

(http://media.bestofmicro.com/I/G/153592/original/flightsim2.png)

Crysis:
(http://media.bestofmicro.com/A/3/155883/original/chart_21_crysis_1920_vhq_trilinear.png)

(http://media.bestofmicro.com/I/D/153589/original/crysis1.png)

World in Conflict:
(http://media.bestofmicro.com/B/2/155918/original/chart_56_wic_1680_aa.png)