Comparison of AMD Radeon RX 6800M video card vs GALAX RTX 3070 EX (1-Click OC) video card by specs and benchmarks. AMD Radeon RX 6800M runs at 2.300 GHz base clock speed and has 12 GB of GDDR6 memory, while video card GALAX RTX 3070 EX (1-Click OC) runs at 2.300 GHz base clock speed and has 8 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 145 W, and the second is 220 W . Compare the benchmark results to find out which video card is better.