Comparison of Gainward GeForce GTX 1660 Pegasus video card vs PNY GeForce RTX 2080 SUPER Blower video card by specifications and benchmarks. Gainward GeForce GTX 1660 Pegasus runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card PNY GeForce RTX 2080 SUPER Blower runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.