NVIDIA GeForce RTX 4090 's Advantages
Released 1 years and 2 months late
More VRAM (24GB vs 8GB)
14336 additional rendering cores
AMD Radeon RX 6600 XT 's Advantages
Boost Clock has increased by 3% (2589MHz vs 2520MHz)
Larger VRAM bandwidth (256.0TB/s vs 1.01TB/s)
Lower TDP (160W vs 450W)