Comparison of ASRock Radeon RX 6900 XT Phantom Gaming D 16G OC video card vs EVGA GeForce RTX 2080 BLACK video card by specifications and benchmarks. ASRock Radeon RX 6900 XT Phantom Gaming D 16G OC runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card EVGA GeForce RTX 2080 BLACK runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 210 W-2 %. Compare the table of benchmark results to find out which graphic card is better.