Comparison of GIGABYTE Radeon RX 6600 XT Gaming OC 8G video card vs ZOTAC Gaming GeForce RTX 3080 Ti AMP Extreme Holo video card by specifications and benchmarks. GIGABYTE Radeon RX 6600 XT Gaming OC 8G runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ZOTAC Gaming GeForce RTX 3080 Ti AMP Extreme Holo 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 400 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.