AMD Radeon Pro W6400 's Advantages
Released 9 years and 5 months late
Boost Clock has increased by 162% (2331MHz vs 888MHz)
More VRAM (4GB vs 1GB)
Lower TDP (50W vs 130W)
NVIDIA GeForce GTX 660 OEM 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 112.0GB/s)
384 additional rendering cores