The Seagate Barracuda 4TB and the Seagate FireCuda 540 1TB represent a tie in this objective comparison, as each component leads in two distinct specifications with one tie. The Seagate Barracuda 4TB offers the most significant advantage in total capacity, providing 300% more storage space than its counterpart. Conversely, the Seagate FireCuda 540 1TB delivers a massive performance lead, boasting a sequential read speed that is 5163% better than the alternative.

Users who prioritize massive storage volume for archiving large files or media libraries should choose the Seagate Barracuda 4TB. This drive is best suited for those who need to maximize their total capacity. In contrast, those who require high-speed data access and rapid performance should select the Seagate FireCuda 540 1TB. This drive is the ideal choice for users who value superior sequential read speeds over total storage space.