Re: what will be the performance
1)Games will run maybe at 800*600/640*480 low to lowest. Some games like Oblivion and mayb even Fear might not be worth running even at the lowest settings.
2)Vista won't run great either, you need atleast 2GB for decent use. But Vista will run ok-ok and maye not with all whistles turned on.
3)OC to 2.2-2.4, get 2GB RAM and most of all get a higher video card and you will see day and night difference.
4)You can't classify it that blankly, you need to see finer details first.
7600>6800GT/GS>7300GT GDD3>7600GS>6800>7300GT DDR2
Not fully sure btw 7600GS and 6800.
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