The Samsung 9100 Pro 2TB is the objective winner of this comparison, securing victories in six out of seven evaluated specifications. Its most significant technical advantage is its sequential write speed, which outperforms the alternative by 219 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 primary requirement is maximum sequential write performance for demanding workloads. Conversely, select the Silicon Power UD90 1TB if your budget is the deciding factor, as it holds an 82 percent advantage in MSRP. While the Silicon Power UD90 1TB offers a more accessible entry point, the Samsung 9100 Pro 2TB remains the clear choice for those who need the highest level of performance across nearly every measured category.