The Western Digital WD Black SN8100 2TB is the objective winner of this comparison, securing more category wins than its competitor. Its most impactful advantage is a 2561% higher sequential read speed, which significantly outperforms the Samsung 870 EVO 2TB in raw data transfer capabilities. While both drives share several identical specifications, the superior read performance of the Western Digital model establishes it as the more capable hardware option for high-speed data access tasks.

Users who prioritize maximum data transfer speeds should choose the Western Digital WD Black SN8100 2TB to leverage its massive sequential read advantage. Conversely, the Samsung 870 EVO 2TB is the better choice for budget-conscious buyers, as it offers a 54% better MSRP. Selecting between these two drives depends entirely on whether your primary requirement is the high-performance throughput of the Western Digital unit or the cost-effective pricing provided by the Samsung alternative.