Comparison of Gigabyte GeForce GTX 1650 GAMING OC 4G video card vs KFA2 GeForce RTX 2080 Ti OC video card by specifications and benchmarks. Gigabyte GeForce GTX 1650 GAMING OC 4G runs at 1.485 GHz base clock speed and has 4 GB of GDDR5 memory, while video card KFA2 GeForce RTX 2080 Ti OC runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 75 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.