AMD FirePro W7000 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (153.6GB/s vs 144.2GB/s)
320 additional rendering cores
NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 2 years and 3 months late
Boost Clock1032MHz
Lower TDP (140W vs 150W)