NVIDIA GeForce RTX 4090 's Advantages
Released 4 years and 5 months late
Boost Clock has increased by 135% (2520MHz vs 1071MHz)
More VRAM (24GB vs 2GB)
15744 additional rendering cores
AMD Radeon RX 550X 640SP 's Advantages
Larger VRAM bandwidth (96.00TB/s vs 1.01TB/s)
Lower TDP (60W vs 450W)