Comparison of Sapphire Pulse Radeon RX 580 8G G5 OC Lite video card vs GALAX GeForce RTX 3070 EX (1-Click OC) LHR video card by specifications and benchmarks. Sapphire Pulse Radeon RX 580 8G G5 OC Lite runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card GALAX GeForce RTX 3070 EX (1-Click OC) LHR runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 185 W, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.