Comparison of Sapphire NITRO+ Radeon RX 580 8G G5 SE video card vs Sapphire NITRO+ Radeon RX 580 4G G5 video card by specifications and benchmarks. Sapphire NITRO+ Radeon RX 580 8G G5 SE runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Sapphire NITRO+ Radeon RX 580 4G G5 runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory. The TDP of the first video card is 235 W+ 27 %, and the second is 235 W+ 27 %. Compare the table of benchmark results to find out which graphic card is better.