Comparison of Gainward GeForce RTX 2060 Pegasus video card vs GALAX GeForce RTX 2080 EX OC video card by specifications and benchmarks. Gainward GeForce RTX 2060 Pegasus runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory, while video card GALAX GeForce RTX 2080 EX OC 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 215 W. Compare the table of benchmark results to find out which graphic card is better.