The Lexar NM1090 Pro 2TB is the objective winner of this comparison, securing victories in five out of seven measured specifications. Its most significant advantage over the competition is its endurance rating, which is 300% better than that of the alternative. By offering superior durability metrics across the board, this drive establishes itself as the more robust option for users prioritizing long-term hardware reliability and sustained operational capacity in their storage solutions.

Choose the Lexar NM1090 Pro 2TB if you require high endurance for heavy write workloads, as its substantial advantage in total bytes written provides greater longevity. Conversely, the Samsung 990 Pro 1TB is the better selection for budget-conscious buyers, as it holds a 58% advantage in MSRP. Select the Samsung 990 Pro 1TB if your primary goal is minimizing initial acquisition costs while still obtaining a capable storage component for your system.