AMD Radeon RX 6600 's Advantages
Released 8 years late
Boost Clock has increased by 137% (2491MHz vs 1050MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 32.00GB/s)
1408 additional rendering cores
AMD Radeon R7 250 OEM 's Advantages
Lower TDP (65W vs 132W)