Comparison of PowerColor Red Devil Radeon RX 6750 XT 12GB video card vs MANLI GeForce RTX 2080Ti (M3423+N504) video card by specs and benchmarks. PowerColor Red Devil Radeon RX 6750 XT 12GB runs at 2.200 GHz base clock speed and has 12 GB of GDDR6 memory, while video card MANLI GeForce RTX 2080Ti (M3423+N504) runs at 2.200 GHz base clock speed and has 11 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.