Comparison of GIGABYTE AORUS GeForce GTX 1080 8G video card vs PNY GeForce GTX 1660 6GB XLR8 Gaming OC Dual Fan video card by specifications and benchmarks. GIGABYTE AORUS GeForce GTX 1080 8G runs at 1.708 GHz+ 6 % base clock speed and has 8 GB of GDDR5X memory, while video card PNY GeForce GTX 1660 6GB XLR8 Gaming OC Dual Fan runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 180 W, and the second is 130 W+ 8 %. Compare the table of benchmark results to find out which graphic card is better.