Comparison of ZOTAC GeForce GTX 1080 Ti Blower video card vs ASUS ROG Poseidon GeForce GTX 980 Ti Platinum video card by specs and benchmarks. ZOTAC GeForce GTX 1080 Ti Blower runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory, while video card ASUS ROG Poseidon GeForce GTX 980 Ti Platinum runs at 1.480 GHz base clock speed and has 6 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.