Comparison of Sapphire Radeon RX 5700 8G video card vs ASUS Phoenix GeForce GTX 1660 SUPER video card by specifications and benchmarks. Sapphire Radeon RX 5700 8G runs at 1.465 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASUS Phoenix GeForce GTX 1660 SUPER runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.