Comparison of PNY GeForce GTX 980 Ti video card vs ZOTAC Gaming GeForce RTX 2080 SUPER Twin Fan video card by specifications and benchmarks. PNY GeForce GTX 980 Ti runs at 1.000 GHz base clock speed and has 6 GB of GDDR5 memory, while video card ZOTAC Gaming GeForce RTX 2080 SUPER Twin Fan runs at 1.650 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 250 W. Compare the table of benchmark results to find out which graphic card is better.