The Intel Arc B580 and the NVIDIA RTX 4070 are tied in this objective comparison, as each component leads in five out of fourteen measured specifications. The most significant technical advantage for the Intel Arc B580 is its memory clock, which is 81% higher than that of its competitor. Conversely, the NVIDIA RTX 4070 holds a substantial lead in processing architecture, featuring 130% more shader units than the Intel alternative.

Users prioritizing memory clock speeds should select the Intel Arc B580 for their system builds. Those who require a higher count of shader units for their specific computing tasks should opt for the NVIDIA RTX 4070 instead. Because both cards offer a balanced set of advantages across the measured categories, the final choice depends entirely on whether your workload benefits more from the superior memory clock of the Intel card or the increased shader capacity of the NVIDIA model.