The Samsung 9100 Pro 2TB is the objective winner of this comparison, securing victory in five out of seven evaluated specifications. Its most significant technical advantage is its sequential write speed, which outperforms the alternative by 113 percent. This substantial lead in write performance establishes the Samsung 9100 Pro 2TB as the superior option for users prioritizing high-speed data handling and overall technical capability across the majority of measured metrics.

Choose the Samsung 9100 Pro 2TB if your workflow demands high-performance sequential write speeds for intensive tasks. Conversely, the Samsung 990 EVO Plus 1TB is the better choice for budget-conscious users, as it offers a 56 percent advantage in MSRP. Selecting between these two drives depends on whether your priority is the raw performance superiority of the former or the cost efficiency provided by the latter.