Comparison of ASUS AREZ Strix Radeon RX 580 TOP-Edition video card vs Sapphire Pulse Radeon RX 580 4G G5 video card by specs and benchmarks. ASUS AREZ Strix Radeon RX 580 TOP-Edition runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Sapphire Pulse Radeon RX 580 4G G5 runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 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.