Comparison of GIGABYTE GeForce GTX 1080 Xtreme Gaming 8G video card vs GALAX GeForce RTX 2080 EX OC Gamer video card by specifications and benchmarks. GIGABYTE GeForce GTX 1080 Xtreme Gaming 8G runs at 1.759 GHz+ 9 % base clock speed and has 8 GB of GDDR5X memory, while video card GALAX GeForce RTX 2080 EX OC Gamer runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.