Comparison of XFX Radeon VII video card vs Gainward GeForce GTX 1660 TI Pegasus video card by specifications and benchmarks. XFX Radeon VII runs at 1.400 GHz base clock speed and has 16 GB of HBM2 memory, while video card Gainward GeForce GTX 1660 TI Pegasus runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.