Comparison of KFA2 GeForce GTX 1660 Ti EX White (1-Click OC) video card vs AMD Radeon RX 6600M (Mobile) - 100 W video card by specifications and benchmarks. KFA2 GeForce GTX 1660 Ti EX White (1-Click OC) runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card AMD Radeon RX 6600M (Mobile) - 100 W runs at 2.068 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 100 W. Compare the table of benchmark results to find out which graphic card is better.