AMD Radeon Pro W6600M 's Advantages
Released 7 years and 5 months late
Boost Clock has increased by 225% (2034MHz vs 625MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 72.00GB/s)
1152 additional rendering cores
AMD Radeon E8860 's Advantages
Lower TDP (37W vs 90W)