The Crucial T705 4TB is the objective winner of this comparison, securing more wins across the evaluated specifications. Its most significant advantage is a 95% improvement in sequential read performance compared to the alternative. This substantial lead in data transfer speed establishes it as the superior choice for users prioritizing raw throughput and high-end storage capabilities. While the Samsung 990 Pro 4TB falls behind in performance metrics, it maintains a 44% advantage in MSRP.

Users who require the fastest possible sequential read speeds for demanding professional workflows or high-performance computing should select the Crucial T705 4TB. Conversely, the Samsung 990 Pro 4TB is the better option for budget-conscious buyers who prioritize a lower MSRP over the performance gains offered by its competitor. Choosing between these two drives depends entirely on whether your primary goal is maximizing data transfer velocity or minimizing your initial financial investment.