Comparison of GIGABYTE GeForce GTX 1080 G1 ROCK 8G video card vs GALAX GeForce RTX 3080 SG (1-Click OC) video card by specifications and benchmarks. GIGABYTE GeForce GTX 1080 G1 ROCK 8G runs at 1.632 GHz+ 2 % base clock speed and has 8 GB of GDDR5X memory, while video card GALAX GeForce RTX 3080 SG (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 180 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.