Comparison of GIGABYTE Radeon RX 5500 XT OC 8G video card vs ZOTAC GAMING GeForce GTX 1660 Ti AMP 6GB GDDR6 video card by specifications and benchmarks. GIGABYTE Radeon RX 5500 XT OC 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce GTX 1660 Ti AMP 6GB GDDR6 runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 130 W, and the second is 130 W+ 8 %. Compare the table of benchmark results to find out which graphic card is better.