Comparison of XFX Radeon RX Vega 56 video card vs ASUS TUF Gaming X3 GeForce GTX 1660 TI Advanced video card by specifications and benchmarks. XFX Radeon RX Vega 56 runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card ASUS TUF Gaming X3 GeForce GTX 1660 TI Advanced runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 210 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.