Comparison of GALAX GeForce GTX 1080 Ti EX OC video card vs MSI GeForce GTX 1660 VENTUS XS 6G OCV1 video card by specifications and benchmarks. GALAX GeForce GTX 1080 Ti EX OC runs at 1.531 GHz+ 3 % base clock speed and has 11 GB of GDDR5X memory, while video card MSI GeForce GTX 1660 VENTUS XS 6G OCV1 runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 250 W, and the second is 130 W+ 8 %. Compare the table of benchmark results to find out which graphic card is better.