The Samsung 9100 Pro 1TB is the objective winner of this comparison, securing victory across four of the seven evaluated specifications. Its most significant technical advantage is its sequential write performance, which is 111% better than that of the alternative. While both drives offer distinct strengths, the superior write capabilities of the Samsung 9100 Pro 1TB make it the more powerful option for tasks requiring high-speed data processing and rapid file handling.

Users who prioritize raw performance and write-heavy workloads should choose the Samsung 9100 Pro 1TB for its clear lead in sequential write speeds. Conversely, those who require maximum storage space should select the Samsung 990 EVO Plus 2TB, as it provides a 100% advantage in total capacity. Selecting between these two drives depends entirely on whether your primary requirement is the high-speed throughput of the former or the expanded storage volume of the latter.