Comparison of GIGABYTE GeForce RTX 2080 SUPER Turbo 8G video card vs ASRock Radeon RX 6750 XT Challenger Pro 12GB OC video card by specs and benchmarks. GIGABYTE GeForce RTX 2080 SUPER Turbo 8G runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASRock Radeon RX 6750 XT Challenger Pro 12GB OC runs at 1.650 GHz base clock speed and has 12 GB of GDDR6 memory. The weight is different, -- vs 890 g. 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.