Comparison of Sapphire Pulse Radeon RX 580 4G G5 video card vs KFA2 GeForce RTX 2060 12GB Plus (1-Click OC) V1 video card by specs and benchmarks. Sapphire Pulse Radeon RX 580 4G G5 runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card KFA2 GeForce RTX 2060 12GB Plus (1-Click OC) V1 runs at 1.257 GHz base clock speed and has 12 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 185 W, and the second is 185 W . Compare the benchmark results to find out which video card is better.