Comparison of Sapphire Pulse Radeon RX 580 4G G5 video card vs MSI GeForce RTX 2080 Ti Lightning Z 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 RTX 2080 Ti Lightning Z runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 185 W, and the second is 350 W+ 40 %. Compare the table of benchmark results to find out which graphic card is better.