Comparison of Gainward GeForce GTX 1660 Pegasus video card vs MSI GeForce GTX 1660 VENTUS XS 6G video card by specs 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 MSI GeForce GTX 1660 VENTUS XS 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The weight is different, -- vs 702 g. The TDP of the first video card is 120 W, and the second is 120 W . Compare the benchmark results to find out which video card is better.