Comparison of PNY GeForce GTX 1660 6GB XLR8 Gaming OC Dual Fan video card vs MSI GeForce RTX 2080 Ti Lightning Z 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 MSI GeForce RTX 2080 Ti Lightning Z runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 130 W+ 8 %, and the second is 350 W+ 40 %. Compare the table of benchmark results to find out which graphic card is better.