The Intel Arc B580 is the objective winner of this comparison, securing victory in ten out of sixteen measured categories. Its most significant advantage over the Intel Arc B570 is its VRAM capacity, which is 20% higher. While the Intel Arc B570 maintains a 21% advantage in TDP, the Intel Arc B580 provides a more robust set of specifications across the majority of the evaluated fields, establishing it as the superior option for raw hardware capability.

Users prioritizing memory capacity for their workloads should select the Intel Arc B580 to leverage its 20% advantage in VRAM. Conversely, those who require a more power-efficient solution should choose the Intel Arc B570, as it offers a 21% improvement in TDP. By focusing on these specific hardware differences, buyers can align their choice with either the higher memory ceiling of the B580 or the power-conscious profile of the B570.