AMD Radeon Pro W6600M 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (224.0GB/s vs 144.0GB/s)
768 additional rendering cores
AMD Radeon RX 6550M 's Advantages
Released 1 years and 7 months late
Boost Clock has increased by 40% (2840MHz vs 2034MHz)
Lower TDP (80W vs 90W)