I currently have a Radeon HD 5750 installed in my Desktop machine.
Based on my specs:
What is a good graphics card?
Processor: AMD Phenom II X2 Processor 3.10 GHz
RAM: 20.00 GB
Operating System: Windows 7 Professional 64-bit
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My price range is $300 max, preferably lower. I don't know how good of a graphics card I can get for under $300, though.
Also, should I look into upgrading my processor?
[Edited on 12.18.2012 1:56 PM PST]