Comparison of Sapphire Pulse Radeon RX 6600 video card vs EVGA GeForce RTX 3080 Ti XC3 Ultra Gaming video card by specifications and benchmarks. Sapphire Pulse Radeon RX 6600 runs at 1.626 GHz base clock speed and has 8 GB of GDDR6 memory, while video card EVGA GeForce RTX 3080 Ti XC3 Ultra Gaming runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 132 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.