Comparison of Colorful GeForce RTX 2060 SI 6G-V video card vs EVGA GeForce RTX 2080 XC GAMING video card by specifications and benchmarks. Colorful GeForce RTX 2060 SI 6G-V runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory, while video card EVGA GeForce RTX 2080 XC GAMING runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 210 W-2 %. Compare the table of benchmark results to find out which graphic card is better.