Need help with $800-900

amd build
PCPartPicker part list: http://pcpartpicker.com/p/2roN8
Price breakdown by merchant: http://pcpartpicker.com/p/2roN8/by_merchant/
Benchmarks: http://pcpartpicker.com/p/2roN8/benchmarks/

CPU: AMD FX-8320 3.5GHz 8-Core Processor ($129.99 @ Newegg)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ OutletPC)
Motherboard: ASRock 990FX Extreme3 ATX AM3+/AM3 Motherboard ($119.99 @ SuperBiiz)
Memory: G.Skill Sniper 8GB (2 x 4GB) DDR3-1600 Memory ($81.49 @ OutletPC)
Storage: Samsung 840 EVO 120GB 2.5" Solid State Disk ($88.99 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.98 @ OutletPC)
Video Card: Sapphire Radeon R9 270X 2GB Video Card ($214.98 @ NCIX US)
Case: Corsair Carbide Series 300R Windowed ATX Mid Tower Case ($62.99 @ NCIX US)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ NCIX US)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($17.98 @ OutletPC)
Total: $866.36
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-12-28 00:31 EST-0500)
intel build
PCPartPicker part list: http://pcpartpicker.com/p/2roX2
Price breakdown by merchant: http://pcpartpicker.com/p/2roX2/by_merchant/
Benchmarks: http://pcpartpicker.com/p/2roX2/benchmarks/

CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor ($231.98 @ SuperBiiz)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($33.98 @ SuperBiiz)
Motherboard: ASRock Z87 Pro3 ATX LGA1150 Motherboard ($94.99 @ Newegg)
Memory: Patriot Signature 8GB (2 x 4GB) DDR3-1600 Memory ($72.99 @ Newegg)
Storage: Samsung 840 EVO 120GB 2.5" Solid State Disk ($88.99 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.98 @ OutletPC)
Video Card: Asus Radeon R9 270 2GB Video Card ($185.66 @ Newegg)
Case: Corsair Carbide Series 300R Windowed ATX Mid Tower Case ($62.99 @ NCIX US)
Power Supply: Corsair Builder 500W 80+ Bronze Certified ATX Power Supply ($49.99 @ TigerDirect)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($16.98 @ OutletPC)
Total: $891.54
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-12-28 00:36 EST-0500)