Ive been using my Abit ip35 pro running a E6750 @3.2 with 6g ddr2 + ati 2gb 7870ghz i built in '07...It plays most games pretty well as fare as I can tell.
Some games im obviously waiting to play like GTAV when i finally get 1 of my x58w 6g ddr3 (really want a 567x chip to see if it will recognize 8 gig sticks for 3x8g config) or my x79 w 32g ddr3 systems put together but almost 600 games in steam and i haven't found 1 that wont run on "Old Bessy" Obviously "run" is a subjective term of course.
Must resist sticking my evga 970 sc sitting here in the lga775 for fear i will procrastinate even further putting together these other 2 rigs![]()
Another Abit IP35 user and their machine still works. I only have 4 gigs in that machine but it works well for old games which is all the CPU can handle. It's now semi-retired even though I have 10-64 on it.
That said both of my current builds have 8 gigs and unless I have 20+ tabs in FF and chrome open I only use 3.5G.
When I play a game I simple shut down any browsers and never ran into issues.
Some of the latest top titles that state they recommend 16G, that is a different story.
8G is enough now for general use, power users, gamers with new titles I'd say 16G should suffice.