The Western Digital WD Black SN8100 4TB is the objective winner of this comparison, securing four out of six total specifications. Its most impactful advantage is a 2561% higher sequential read speed compared to the alternative. While the Samsung 870 EVO 1TB holds a single victory in MSRP, which is 87% better than the competitor, the superior performance metrics of the Western Digital drive establish it as the more capable hardware option across the majority of measured categories.

Choose the Western Digital WD Black SN8100 4TB if your priority is maximizing sequential read speeds for high-performance tasks. Conversely, select the Samsung 870 EVO 1TB if your primary goal is to minimize your initial expenditure, as it offers a significant advantage in MSRP. These two drives cater to distinct needs, with one focusing on raw speed and the other providing a more budget-friendly entry point for storage requirements.