What resolution? Neither card is particularly powerful. For CoD4 the HD4650 seems faster: http://www.techpowerup.com/reviews [...] _OC/6.html (factory overclocked card though, so expect actual performance to be a little bit lower than that).
I haven't seen any GTA4 benchmarks with those cards.
EDIT: As mentioned above, don't go for the DDR2 model. Make sure to go for the GDDR3 at a minimum.
Message edited by randomizer on 10-18-2009 at 11:02:10 AM
If you can scrape a few more pennies and go for the 9600GT/ GSO ....These are mainstream graphics cards and are designed for gaming....the 4650 or 9500 dont fare well in games and i think ou'd be dissapointed.
The 9600 should be able to play COD4 @ max setting (without AA) on a reasonable resolution.
Avoid buying a 1GB card unless your gaiming @ 1920x1080p or above! You'll see no gain.