The Intel Arc A380 is the objective winner of this comparison, securing victory in seven out of thirteen measured specifications. Its most significant advantage over the competition is its support for AV1 encoding, which is 100% better than the capability offered by the AMD RX 580. While the Intel card leads in the majority of categories, the AMD RX 580 maintains a distinct edge in memory architecture, boasting a memory bus that is 167% better than its counterpart.

Users who prioritize modern media production and advanced video encoding should choose the Intel Arc A380 for its superior AV1 support. Conversely, those who require a wider memory bus for specific data-heavy tasks should opt for the AMD RX 580. The decision between these two components rests entirely on whether your workflow demands the latest encoding standards or the increased bandwidth provided by the larger memory bus of the AMD alternative.