NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 205W)
AMD Radeon Pro W5700 's Advantages
Released 7 years and 5 months late
Boost Clock1880MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 28.51GB/s)
1920 additional rendering cores