Comparison of GIGABYTE Radeon RX 470 WINDFORCE 4G video card vs ZOTAC GeForce GTX 960 AMP! Edition video card by specs and benchmarks. GIGABYTE Radeon RX 470 WINDFORCE 4G runs at 0.926 GHz base clock speed and has 4 GB of GDDR5 memory, while video card ZOTAC GeForce GTX 960 AMP! Edition runs at 0.926 GHz base clock speed and has 2 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 120 W, and the second is 120 W . Compare the benchmark results to find out which video card is better.