Comparison of GIGABYTE Radeon RX 480 WINDFORCE 4G video card vs ZOTAC GeForce GTX 1070 OEM video card by specs and benchmarks. GIGABYTE Radeon RX 480 WINDFORCE 4G runs at 1.120 GHz base clock speed and has 4 GB of GDDR5 memory, while video card ZOTAC GeForce GTX 1070 OEM runs at 1.120 GHz base clock speed and has 8 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 150 W, and the second is 150 W . Compare the benchmark results to find out which video card is better.