Comparison of GIGABYTE GeForce GTX 1080 Mini ITX 8G video card vs ASUS ROG Strix GeForce RTX 3090 OC video card by specifications and benchmarks. GIGABYTE GeForce GTX 1080 Mini ITX 8G runs at 1.733 GHz+ 8 % base clock speed and has 8 GB of GDDR5X memory, while video card ASUS ROG Strix GeForce RTX 3090 OC runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 180 W, and the second is 390 W+ 11 %. Compare the table of benchmark results to find out which graphic card is better.