Comparison of ZOTAC GeForce GTX 950 OC video card vs GIGABYTE GeForce GTX 950 video card by specs and benchmarks. ZOTAC GeForce GTX 950 OC runs at 1.102 GHz+ 8 % base clock speed and has 2 GB of GDDR5 memory, while video card GIGABYTE GeForce GTX 950 runs at 1.102 GHz+ 8 % base clock speed and has 2 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 90 W, and the second is 90 W . Compare the benchmark results to find out which video card is better.