The NVIDIA RTX 4090 is the objective winner of this comparison, securing victory in ten out of fourteen measured categories. Its most significant advantage over the Intel Arc A380 is its FP32 performance, which is 1866% higher. While the Intel Arc A380 holds a 92% advantage in MSRP, the sheer scale of the performance gap in floating-point operations establishes the NVIDIA RTX 4090 as the superior component in terms of raw technical capability.

Users prioritizing maximum computational power should choose the NVIDIA RTX 4090 to leverage its massive lead in FP32 performance. Conversely, the Intel Arc A380 is the appropriate selection for buyers who are primarily focused on the MSRP advantage. By weighing these specific differences in cost and processing capacity, consumers can align their purchase with either a budget-conscious strategy or a requirement for the highest level of performance available between these two options.