AMD Radeon RX 570X 's Advantages
Boost Clock has increased by 16% (1244MHz vs 1071MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 96.00GB/s)
1408 additional rendering cores
AMD Radeon RX 550X 640SP 's Advantages
Lower TDP (60W vs 150W)