Comparison of PowerColor Red Devil Radeon RX 6750 XT 12GB video card vs EVGA GeForce RTX 2080 SUPER XC2 Ultra video card by specifications and benchmarks. PowerColor Red Devil Radeon RX 6750 XT 12GB runs at 2.200 GHz base clock speed and has 12 GB of GDDR6 memory, while video card EVGA GeForce RTX 2080 SUPER XC2 Ultra runs at 1.650 GHz base clock speed and has 8 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.