Comparison of GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G video card vs ZOTAC GeForce GTX 1080 Founders Edition video card by specifications and benchmarks. GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ZOTAC GeForce GTX 1080 Founders Edition runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 160 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.