AMD Radeon Pro Vega 56 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (402.4GB/s vs 128.0GB/s)
2560 additional rendering cores
AMD Radeon Pro W6500M 's Advantages
Boost Clock has increased by 63% (2040MHz vs 1250MHz)
Lower TDP (25W vs 210W)