Comparison of Sapphire Pulse Radeon RX 580 4G G5 video card vs MSI GeForce GTX 1660 VENTUS XS 6G OCV1 video card by specifications and benchmarks. Sapphire Pulse Radeon RX 580 4G G5 runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card MSI GeForce GTX 1660 VENTUS XS 6G OCV1 runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 185 W, and the second is 130 W+ 8 %. Compare the table of benchmark results to find out which graphic card is better.