Comparison of SAPPHIRE NITRO+ Radeon RX 6600 XT video card vs EVGA GeForce RTX 3080 XC3 Black Gaming LHR video card by specifications and benchmarks. SAPPHIRE NITRO+ Radeon RX 6600 XT runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card EVGA GeForce RTX 3080 XC3 Black Gaming LHR runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.