Comparison of ASRock Phantom Gaming X Radeon RX Vega 56 video card vs MSI GeForce GTX 1660 TI ARMOR 6G OC video card by specifications and benchmarks. ASRock Phantom Gaming X Radeon RX Vega 56 runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card MSI GeForce GTX 1660 TI ARMOR 6G OC 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 130 W+ 8 %. Compare the table of benchmark results to find out which graphic card is better.