Help upgrading cheap gaming PC

1rj2

Distinguished
Mar 29, 2014
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I'm looking to upgrade my PC (Graphics card to start)

General Specs are
Windows 7 64bit
8GB RAM
AMD Radeon HD 6850 1GB GDDR5
Intel core i5-2500 CPU 3.30GHz
800W Cooler Master Power supply

I have around 180$ to change the Graphics card. I want to buy something that will keep my rig usefull for a couple more years but don't know what would be best for this.

I was thinking about buying a R7 370 4GB for 170$ but I was told there were better cards for lower prices so I don't know where to start...

(thanks in advance for any usefull answer!)