Comparison of GALAX GeForce GTX 980 HOF Watercooled video card vs Zotac GeForce GTX 980 AMP! Omega Core video card by specifications and benchmarks. GALAX GeForce GTX 980 HOF Watercooled runs at 1.304 GHz+ 16 % base clock speed and has 4 GB of GDDR5 memory, while video card Zotac GeForce GTX 980 AMP! Omega Core runs at 1.216 GHz+ 8 % base clock speed and has 4 GB of GDDR5 memory. The TDP of the first video card is 165 W, and the second is 165 W. Compare the table of benchmark results to find out which graphic card is better.