Comparison of GIGABYTE AORUS GeForce RTX 2080 Xtreme 8G video card vs ASUS TUF Gaming GeForce GTX 1660 TI EVO OC Edition video card by specifications and benchmarks. GIGABYTE AORUS GeForce RTX 2080 Xtreme 8G runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASUS TUF Gaming GeForce GTX 1660 TI EVO OC Edition runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 215 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.