The Samsung 9100 Pro 2TB is the objective winner of this comparison, securing victories in four out of six measured specifications. Its most significant advantage is its sequential read speed, which outperforms the Samsung 870 EVO 500GB by 2525%. While the latter component remains competitive in one specific area, the former demonstrates a clear technical superiority across the majority of the evaluated categories, establishing itself as the more capable hardware option for high-performance storage requirements.

Users prioritizing maximum data throughput should select the Samsung 9100 Pro 2TB to leverage its substantial lead in sequential read performance. Conversely, the Samsung 870 EVO 500GB is the logical choice for budget-conscious buyers, as it offers an MSRP that is 84% better than the alternative. Choosing between these two drives depends entirely on whether your primary goal is to minimize initial expenditure or to maximize the speed of your storage operations.