Comparison of GALAX GeForce GTX 1070 KATANA video card vs AMD Radeon RX 580 (32 CU) video card by specs and benchmarks. GALAX GeForce GTX 1070 KATANA runs at 1.518 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory, while video card AMD Radeon RX 580 (32 CU) runs at 1.518 GHz+ 1 % base clock speed and has 4 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.