Comparison of MSI Radeon RX 6900 XT Gaming Z Trio 16G video card vs ASUS Phoenix GeForce GTX 1660 TI OC video card by specifications and benchmarks. MSI Radeon RX 6900 XT Gaming Z Trio 16G runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card ASUS Phoenix GeForce GTX 1660 TI OC 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.