My build is more expensive simply because your motherboard doesn't have a cost to it and no PSU , Mine will outperform yours in gaming.
PCPartPicker part list:
http://pcpartpicker.com/p/yh2bRB
Price breakdown by merchant: http://pcpartpicker.com/p/yh2bRB/by_merchant/
CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($219.00 @ Amazon)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ OutletPC)
Motherboard: ASRock Z97 PRO4 ATX LGA1150 Motherboard ($99.99 @ Newegg)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-2133 Memory ($76.50 @ Newegg)
Storage: Crucial M500 120GB 2.5" Solid State Drive ($72.00 @ Amazon)
Storage: Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive ($79.98 @ OutletPC)
Video Card: Sapphire Radeon R9 280X 3GB Dual-X Video Card ($239.99 @ Newegg)
Case: Corsair 200R ATX Mid Tower Case ($57.99 @ Micro Center)
Power Supply: XFX 650W 80+ Bronze Certified ATX Power Supply ($69.99 @ NCIX US)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($19.98 @ OutletPC)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($84.98 @ OutletPC)
Total: $1050.38
Prices include shipping, taxes, and discounts when available