Comparison of ASUS ROG Strix LC Radeon RX 6900 XT TOP video card vs Colorful GeForce GTX 1660 6G-V video card by specifications and benchmarks. ASUS ROG Strix LC Radeon RX 6900 XT TOP runs at 1.950 GHz+ 7 % base clock speed and has 16 GB of GDDR6 memory, while video card Colorful GeForce GTX 1660 6G-V runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 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.