The Samsung 9100 Pro 2TB is the objective winner of this comparison, securing four out of six total spec victories. Its most significant advantage is its sequential read speed, which is 2525% better than that of the Samsung 870 EVO 1TB. While the latter component remains competitive in specific areas, the former demonstrates a clear technical superiority across the majority of the measured performance categories.

Users prioritizing raw speed and high-capacity storage should choose the Samsung 9100 Pro 2TB for its massive sequential read advantage. Conversely, the Samsung 870 EVO 1TB is the better option for budget-conscious buyers, as it holds a 72% advantage in MSRP. Selecting between these two drives depends entirely on whether your primary requirement is the superior performance of the 9100 Pro or the cost-effective pricing offered by the 870 EVO.