NVIDIA GeForce GTX 660 OEM 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 73.60GB/s)
768 additional rendering cores
AMD Radeon R7 350 OEM 's Advantages
Released 2 years and 9 months late
Boost Clock has increased by 18% (1050MHz vs 888MHz)
More VRAM (2GB vs 1GB)
Lower TDP (65W vs 130W)