Comparison of Zotac GeForce GTX 970 AMP! Omega video card vs Gainward GeForce GTX 970 Phoenix video card by specs and benchmarks. Zotac GeForce GTX 970 AMP! Omega runs at 1.102 GHz+ 5 % base clock speed and has 4 GB of GDDR5 memory, while video card Gainward GeForce GTX 970 Phoenix runs at 1.102 GHz+ 5 % base clock speed and has 4 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 145 W-2 %, and the second is 145 W-2 % . Compare the benchmark results to find out which video card is better.