The Intel Arc B580 is the objective winner of this comparison, securing a lead in eight out of sixteen measured specifications. Its most significant advantage over the Intel Arc A580 is its base clock speed, which is 57% higher. This substantial increase in clock frequency provides the B580 with a clear performance edge in raw processing capability, establishing it as the superior option when evaluating the overall technical specifications provided for these two graphics cards.

Users prioritizing raw clock speed should select the Intel Arc B580 to take advantage of its 57% higher base clock. Conversely, those who place a higher value on memory bandwidth should consider the Intel Arc A580, which maintains a 33% advantage in memory bus width. Choosing between these components depends on whether your specific workload benefits more from the increased frequency of the newer model or the wider memory bus found on the previous generation.