Comparison of GIGABYTE Radeon RX 560 Gaming OC 4G (rev. 2.0) video card vs GIGABYTE Radeon RX 560 Gaming OC 2G video card by specs and benchmarks. GIGABYTE Radeon RX 560 Gaming OC 4G (rev. 2.0) runs at 1.176 GHz base clock speed and has 4 GB of GDDR5 memory, while video card GIGABYTE Radeon RX 560 Gaming OC 2G runs at 1.176 GHz base clock speed and has 2 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 75 W, and the second is 75 W . Compare the benchmark results to find out which video card is better.