The Samsung 9100 Pro 4TB is the objective winner, securing victories in four out of six measured categories. Its most significant advantage over the Samsung 870 EVO 2TB is its sequential read speed, which is 2543% better. While the Samsung 870 EVO 2TB maintains a lead in MSRP with a 73% advantage, the Samsung 9100 Pro 4TB dominates the performance metrics across the majority of the compared specifications.

Users prioritizing raw speed and maximum storage capacity should choose the Samsung 9100 Pro 4TB for their high-performance requirements. Conversely, the Samsung 870 EVO 2TB is the better option for budget-conscious buyers who value a lower MSRP over the superior sequential read capabilities offered by its counterpart. Selecting between these two drives depends entirely on whether your primary goal is minimizing initial expenditure or maximizing data throughput and total storage volume.