Comparison of MSI GeForce GTX 1080 Ti LIGHTNING video card vs PNY GeForce RTX 2080 XLR8 Gaming video card by specifications and benchmarks. MSI GeForce GTX 1080 Ti LIGHTNING runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory, while video card PNY GeForce RTX 2080 XLR8 Gaming runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.