Comparison of Sapphire Nitro+ Radeon RX Vega 64 LE video card vs MANLI GeForce GTX 1660Ti (M1431+N524-02) video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX Vega 64 LE runs at 1.423 GHz+ 14 % base clock speed and has 8 GB of HBM2 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 295 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.