Comparison of MSI GeForce RTX 2060 GAMING Z 6G video card vs GALAX GeForce RTX 2080 SG Edition video card by specifications and benchmarks. MSI GeForce RTX 2060 GAMING Z 6G runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory, while video card GALAX GeForce RTX 2080 SG Edition runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 190 W+ 19 %, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.