Looking for motherboard and processor combo which will work with ddr3, old 450W psu, Old processor fan

Mar 3, 2018
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My motherboard died few days back. It was running x5460. I want to upgrade only my motherboard and processor ( hexa or octa core). My budget is around 200$ . I was looking into xeon x5690 and compatible motherboard. I don't know if i am going in the right direction!
 
Mar 3, 2018
3
0
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Light Gaming (i am ok with lowest settings) and usual browsing and watching videos. I just thought moving from quad core to hex/octa would be better. I am a noob my thoughts are more number of cores meant better performance. Also new games like AC:O needs sse 4.2 instruction set i was looking at that too.