Comparison of PNY GeForce GTX 1660 6GB XLR8 Gaming OC Dual Fan video card vs Gainward GeForce RTX 2080 video card by specifications and benchmarks. 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, while video card Gainward GeForce RTX 2080 runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 130 W+ 8 %, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.