Comparison of Sapphire Pulse ITX Radeon RX 570 4G G5 video card vs ZOTAC GAMING GeForce RTX 2080 Ti Blower video card by specifications and benchmarks. Sapphire Pulse ITX Radeon RX 570 4G G5 runs at 1.168 GHz base clock speed and has 4 GB of GDDR5 memory, while video card ZOTAC GAMING GeForce RTX 2080 Ti Blower runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.