Comparison of ASRock Radeon RX 6700 XT Challenger D 12GB video card vs PNY GeForce RTX 2080 XLR8 Gaming video card by specifications and benchmarks. ASRock Radeon RX 6700 XT Challenger D 12GB runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card PNY GeForce RTX 2080 XLR8 Gaming runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 230 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.