Comparison of Colorful iGame GeForce GTX 1080 X-TOP-8G video card vs EVGA GeForce GTX 1080 GAMING ACX video card by specifications and benchmarks. Colorful iGame GeForce GTX 1080 X-TOP-8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card EVGA GeForce GTX 1080 GAMING ACX runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 180 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.