I'd recommend an FX 8350.
Hardware for this Build:
CPU - FX 8350 or Intel i5-4590 Haswell Refresh
GPU - SAPPHIRE 100363L Radeon R9 280X $279 or GTX 770 02G-P4-2776-KR $325 after $30 rebate
Ram - Kingston Technology HyperX 8 GB or G.SKILL Sniper 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-8GBSR
Motherboard - Gigabyte GA-Z87-DS3H
Power Supply – Corsair CX 500M
Case – Haf 912
Hard Drive – Western Digital 1 TB HDD WD10EZEX
Optical Drive: Asus DVD-RW
I found this legit video today too that has different gaming PC builds for a variety of different budgets. I think it will really help you out.
https://www.youtube.com/watch?v=GWXR7Em-Yf0Good luck