Comparison of AMD Radeon RX 6800 video card vs GIGABYTE GeForce GTX 1660 MINI ITX OC 6G video card by specifications and benchmarks. AMD Radeon RX 6800 runs at 1.700 GHz base clock speed and has 16 GB of GDDR6 memory, while video card GIGABYTE GeForce GTX 1660 MINI ITX OC 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 250 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.