The Samsung 990 Pro 4TB is the objective winner of this comparison, securing victory in three out of five evaluated specifications. Its most significant advantage is a sequential read speed that is 3821% better than the alternative. While the Seagate Barracuda 1TB manages to win in one category and ties in another, it cannot match the substantial performance lead established by the Samsung 990 Pro 4TB in its primary area of superiority.

Users who prioritize high-speed data access and maximum storage capacity should choose the Samsung 990 Pro 4TB for their system. Conversely, the Seagate Barracuda 1TB is the appropriate selection for budget-conscious buyers, as it offers an MSRP that is 88% better than the competition. Your decision should depend on whether your primary requirement is the extreme performance advantage of the former or the cost-efficiency provided by the latter.