The Samsung 990 Pro 4TB is the objective winner of this comparison, securing victory across three of the five evaluated specifications. Its most significant advantage is its sequential read speed, which outperforms the Seagate Barracuda 1TB by 3821 percent. While the Seagate Barracuda 1TB holds a lead in one category and ties in another, the Samsung 990 Pro 4TB dominates the performance metrics provided in this analysis.

Users prioritizing maximum data throughput should choose the Samsung 990 Pro 4TB to leverage its substantial lead in sequential read capabilities. Conversely, those focused on initial acquisition costs should select the Seagate Barracuda 1TB, as it maintains an 88 percent advantage in MSRP. Your final decision should depend on whether your primary requirement is the high-speed performance offered by the Samsung drive or the lower cost associated with the Seagate model.