Comparison of ASRock Radeon RX 6600 XT Challenger ITX 8GB video card vs NVIDIA GeForce RTX 2080 Ti Founders Edition video card by specifications and benchmarks. ASRock Radeon RX 6600 XT Challenger ITX 8GB runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card NVIDIA GeForce RTX 2080 Ti Founders Edition runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 260 W+ 4 %. Compare the table of benchmark results to find out which graphic card is better.