Comparison of Gainward GeForce RTX 2060 Ghost OC video card vs Gainward GeForce RTX 2060 Ghost 12GB video card by specifications and benchmarks. Gainward GeForce RTX 2060 Ghost OC runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory, while video card Gainward GeForce RTX 2060 Ghost 12GB runs at 1.470 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 185 W. Compare the table of benchmark results to find out which graphic card is better.