Comparison of GIGABYTE AORUS Radeon RX 6800 XT Master 16G video card vs GALAX GeForce GTX 1660 (1-Click OC) video card by specifications and benchmarks. GIGABYTE AORUS Radeon RX 6800 XT Master 16G runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory, while video card GALAX GeForce GTX 1660 (1-Click OC) runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 300 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.