AMD Radeon R9 290X2 's Advantages
Larger VRAM bandwidth (345.6GB/s vs 224.0GB/s)
1024 additional rendering cores
AMD Radeon RX 6600 LE 's Advantages
Released 9 years and 6 months late
Boost Clock2495MHz
More VRAM (8GB vs 4GB)
Lower TDP (132W vs 580W)