Comparison of XFX Radeon RX 5700 XT Thicc III video card vs MANLI GeForce GTX 1660Ti (M1431+N524-02) video card by specifications and benchmarks. XFX Radeon RX 5700 XT Thicc III runs at 1.670 GHz+ 4 % base clock speed and has 8 GB of GDDR6 memory, while video card MANLI GeForce GTX 1660Ti (M1431+N524-02) runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.