http://au.pcpartpicker.com/user/Danbuscus250/saved/4jX8
CPU AMD A4-5300 3.4GHz Dual-Core $55.00
Motherboard ASRock FM2A55M-HD+ Micro ATX FM2+ $62.00
Memory GeIL DRAGON 4GB (1 x 4GB) DDR3-1600 $45.00
Storage Western Digital Caviar Blue 500GB 3.5" 7200RPM $59.00
Case Cooler Master K280 ATX Mid Tower $49.00
Power Supply Silverstone 500W ATX12V $59.00
Optical Drive LG GH24NSB0 DVD/CD Writer $21.00
Operating System Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) $115.00
Monitor AOC E2260SWDN 21.5" $135.00
Keyboard Gigabyte GK-KM6150 w/Optical Mouse $12.00
Total: $612.00
this is litterally the cheapest i could possibly build (well, coulda gone $4 cheaper for a smaller hdd). honestly, either save more money, buy something used, or be satisfied with bf4 on lowest settings at like 15-25 fps :/