Comparison of ASRock Radeon RX 6800 XT Taichi X 16G OC video card vs MANLI GeForce GTX 1660 Gallardo (M2436+N549-00) video card by specifications and benchmarks. ASRock Radeon RX 6800 XT Taichi X 16G OC runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card MANLI GeForce GTX 1660 Gallardo (M2436+N549-00) 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.