Comparison of MSI GeForce GTX 970 4GD5T OC video card vs Zotac GeForce GTX 970 AMP! Extreme Core video card by specs and benchmarks. MSI GeForce GTX 970 4GD5T OC runs at 1.102 GHz+ 5 % base clock speed and has 4 GB of GDDR5 memory, while video card Zotac GeForce GTX 970 AMP! Extreme Core 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.