Comparison of ASUS Phoenix Radeon RX 550 4G EVO video card vs SAPPHIRE PULSE Radeon RX 6700 XT 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 6700 XT runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 50 W, and the second is 230 W. Compare the table of benchmark results to find out which graphic card is better.