AMD Radeon RX Vega M GH 's Advantages
Released 5 years and 11 months late
Boost Clock1190MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (204.8GB/s vs 28.80GB/s)
1152 additional rendering cores
NVIDIA GeForce GT 640M 's Advantages
Lower TDP (32W vs 100W)