Comparison of ASUS Phoenix Radeon RX 550 4G EVO video card vs Sapphire Pulse Radeon RX 570 8G G5 Lite video card by specifications and benchmarks. ASUS Phoenix Radeon RX 550 4G EVO runs at 1.100 GHz base clock speed and has 4 GB of GDDR5 memory, while video card Sapphire Pulse Radeon RX 570 8G G5 Lite runs at 1.168 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 50 W, and the second is 150 W. Compare the table of benchmark results to find out which graphic card is better.