NVIDIA GeForce GTX 780 's Advantages
Larger VRAM bandwidth (288.4GB/s vs 112.0GB/s)
1536 additional rendering cores
AMD Radeon Pro W6400 's Advantages
Released 8 years and 8 months late
Boost Clock has increased by 158% (2331MHz vs 902MHz)
More VRAM (4GB vs 3GB)
Lower TDP (50W vs 250W)