AMD Radeon Pro Vega 64 's Advantages
Boost Clock has increased by 11% (1350MHz vs 1218MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (402.4GB/s vs 48.00GB/s)
3456 additional rendering cores
AMD Radeon RX 640 Mobile 's Advantages
Released 1 years and 11 months late
Lower TDP (50W vs 250W)