Comparison of GALAX GeForce GTX 1070 EX video card vs GALAX GeForce RTX 3080 EX Gamer (1-Click OC) video card by specifications and benchmarks. GALAX GeForce GTX 1070 EX runs at 1.518 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory, while video card GALAX GeForce RTX 3080 EX Gamer (1-Click OC) runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 150 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.