Comparison of PNY GeForce GTX 1080 video card vs MSI GeForce GTX 1660 TI GAMING 6G video card by specifications and benchmarks. PNY GeForce GTX 1080 runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card MSI GeForce GTX 1660 TI GAMING 6G runs at 1.500 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 120 W. Compare the table of benchmark results to find out which graphic card is better.