The Samsung 990 EVO Plus 1TB and the Western Digital WD Blue SN580 2TB reach an objective tie across the evaluated specifications. While both drives offer distinct strengths, the Samsung 990 EVO Plus 1TB holds a significant lead in performance, providing a sequential read speed that is 72% better than its competitor. Conversely, the Western Digital WD Blue SN580 2TB offers a substantial advantage in storage space, featuring a capacity that is 100% better than the alternative.

Users who prioritize high-speed data access for demanding tasks should select the Samsung 990 EVO Plus 1TB to take advantage of its superior sequential read capabilities. Alternatively, those who require extensive room for large libraries of files or games should choose the Western Digital WD Blue SN580 2TB. The decision depends entirely on whether the user values the faster read performance of the former or the doubled storage capacity of the latter.