Comparison of PNY GeForce GTX 1660 SUPER 6GB XLR8 Gaming OC Single Fan video card vs KFA2 GeForce RTX 2080 SUPER video card by specifications and benchmarks. PNY GeForce GTX 1660 SUPER 6GB XLR8 Gaming OC Single Fan runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory, while video card KFA2 GeForce RTX 2080 SUPER runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 125 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.