Comparison of XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming video card vs MANLI GeForce RTX 3070 Ti LHR (M3514+N651-03) video card by specifications and benchmarks. XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming runs at 2.188 GHz+ 11 % base clock speed and has 8 GB of GDDR6 memory, while video card MANLI GeForce RTX 3070 Ti LHR (M3514+N651-03) runs at 1.575 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 290 W. Compare the table of benchmark results to find out which graphic card is better.