AMD Radeon RX 6600S 's Advantages
Lower TDP (80W vs 100W)
AMD Radeon RX 7700S 's Advantages
Released 1 years late
Boost Clock has increased by 25% (2500MHz vs 2000MHz)
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (288.0GB/s vs 224.0GB/s)
256 additional rendering cores