I have a AMD Phenom 8650 triple core, looking to buy a new system but on a budget so have be looking at the new sandy bridge i3 2120 or the AMD Phenom II X6 Six Core 1090T Black Edition. which is going to give me the best performance?
IMO i would go for the 1055T because its cheaper, and you can OC it to get pretty much the same thing as an OC 1090T... also i believe all the extra cores would be good for folding (which you should start if you get that hex-core
I would wait, With Bulldozer just around the corner and B3 revision Sandy Bridge stuff coming back in stock ebay and other places will be flooded with old AM3/1156/1336 hardware that people want to sell quick so they can up grade
AM2+ has both ddr2 and ddr3 memory controller. AM3 processors WILL work on AM2+ although AM2+ processors will not work on AM3 its all backwards compatible, just not forward compatible lol.