The Samsung 9100 Pro 1TB is the objective winner of this comparison, securing more individual specification victories than its competitor. While the Lexar Professional NM1090 Pro 1TB PCIe Gen5 NVMe M.2 SSD offers a notable advantage in endurance, the Samsung 9100 Pro 1TB provides the most impactful performance benefit with a 33% higher sequential write speed. This significant lead in write capability makes the Samsung drive the superior choice for users prioritizing raw data transfer efficiency.

Users who frequently perform large file transfers or write-intensive tasks should choose the Samsung 9100 Pro 1TB to leverage its superior sequential write speeds. Conversely, the Lexar Professional NM1090 Pro 1TB PCIe Gen5 NVMe M.2 SSD is the better option for individuals who prioritize drive longevity, as it offers a 17% advantage in total bytes written. Selecting between these two drives depends entirely on whether your workflow demands faster write performance or extended hardware endurance.