Comparison of EVGA GeForce GTX 980 Ti GAMING ACX 2.0+ video card vs ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition video card by specifications and benchmarks. EVGA GeForce GTX 980 Ti GAMING ACX 2.0+ runs at 1.000 GHz base clock speed and has 6 GB of GDDR5 memory, while video card ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition runs at 1.594 GHz+ 8 % base clock speed and has 11 GB of GDDR5X 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.