QUOTE(deftonesmx17 @ Aug 5 2005, 09:28 AM)
Ok at the title screen where the train rolls by with no AA and 16xAF I get 103 FPS, with 2xAA it drops to 99fps, 4xAA 96fps, 6xAA 93fps.................so at 6xAA on a old vid card that is about a 9% impact compared to no AA
see my point, a game that is optimized for a single chip(not even just a single brand like HL2) will run fine. the RSX will have very little trouble with AA, and 1080p will never happen.......$ony is full of it. With only 720p and 1080i the max impact might be like my HL2 example 9%
If you want true results you should be running a time demo and then average out the frames you get, and run in a higher resolution.
1080i with AA will lower performance greatly, look at the 6800 GT when running 1600x1200 (I am unsure as to what exact resolution 1080 is but I am pretty sure 1600x1200 is similar to it....) with 4xAA enabled loses 32% of its performance.
And as for the x850 XT PE it loses 25% of its performance, with the settings above.
Also the 7800 GTX when running 8xS AA (4xMSAA and 2xSSAA) it loses ~45% of its performance in 1600x1200, and thats without its uber special transparancy AA enabled.
(results above taken from
http://www.guru3d.com/article/Videocards/229/19/ )
Though one thing the RSX has going for it, assuming they keep the extra AA stuff from the 7800 GTX, is that it can produce a much better image, just with a huge performance cost that enabling 8xS AA, and transparancy AA have on high res games.