The Samsung 870 EVO 2TB and the Samsung 990 EVO Plus 2TB reach an objective tie, as each drive leads in two out of six measured specifications. The most impactful advantage for the Samsung 870 EVO 2TB is its DRAM cache, which is 100% better than the alternative. Conversely, the Samsung 990 EVO Plus 2TB provides a significant performance edge in sequential read speeds, which are 1195% better than those offered by the 870 EVO.

Users prioritizing the inclusion of a DRAM cache should select the Samsung 870 EVO 2TB for their storage needs. This drive is best suited for tasks where that specific architectural feature is preferred. Alternatively, those who require superior sequential read speeds should choose the Samsung 990 EVO Plus 2TB. This component is the clear choice for users whose primary requirement is the massive increase in read performance provided by this specific model.