NVIDIA GeForce GT 640M 's Advantages
Lower TDP (32W vs 85W)
AMD Radeon Pro W5300M 's Advantages
Released 7 years and 8 months late
Boost Clock1250MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (192.0GB/s vs 28.80GB/s)
896 additional rendering cores