what processor do i need?

leochief998

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Jun 8, 2014
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i have amd a4-3400 APU with radeon(tm) HD graphics (2 CPUs),2.7 GHz
4 gb ram
500 gb HDD
psu 400w

i will buy "Sapphire R7 260X OC, 2GB GDDR5" and some 500w psu
Now i've been told my only downside is processor so could you tell me what processor would be enough,so just sugestions min price there is etc.