Comparison of Gainward GeForce GTX 1080 Phoenix GLH video card vs GIGABYTE GeForce GTX 1660 SUPER MINI ITX 6G video card by specifications and benchmarks. Gainward GeForce GTX 1080 Phoenix GLH runs at 1.746 GHz+ 9 % base clock speed and has 8 GB of GDDR5X memory, while video card GIGABYTE GeForce GTX 1660 SUPER MINI ITX 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.