Comparison of ASRock Radeon RX 6600 XT Challenger ITX 8GB video card vs EVGA GeForce RTX 3080 Ti XC3 Ultra Hydro Copper Gaming 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 EVGA GeForce RTX 3080 Ti XC3 Ultra Hydro Copper Gaming runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.