Comparison of Sapphire Pulse Radeon RX 570 8G G5 Lite video card vs ZOTAC GAMING GeForce RTX 2080 Blower video card by specifications and benchmarks. Sapphire Pulse Radeon RX 570 8G G5 Lite runs at 1.168 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ZOTAC GAMING GeForce RTX 2080 Blower runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.