Comparison of ZOTAC GeForce GTX 1080 OEM video card vs Colorful GeForce RTX 2060 6G-V video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 OEM runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card Colorful GeForce RTX 2060 6G-V runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 160 W. Compare the table of benchmark results to find out which graphic card is better.