Comparison of ZOTAC Gaming GeForce RTX 2080 SUPER Twin Fan video card vs PowerColor Red Devil Radeon RX 6750 XT 12GB video card by specifications and benchmarks. ZOTAC Gaming GeForce RTX 2080 SUPER Twin Fan runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory, while video card PowerColor Red Devil Radeon RX 6750 XT 12GB runs at 2.200 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.