The Samsung 9100 Pro 4TB is the objective winner of this comparison, securing victories in five out of seven measured specifications. Its most significant advantage is its storage capacity, which is 300% greater than that of the alternative. By outperforming the Samsung 980 Pro 1TB across the majority of technical categories, the 9100 Pro 4TB establishes itself as the superior hardware option for users prioritizing high-end technical specifications and expansive data storage.

Users who require maximum space for large files and extensive libraries should choose the Samsung 9100 Pro 4TB for its superior capacity. Conversely, the Samsung 980 Pro 1TB is the better selection for budget-conscious buyers, as it holds a 73% advantage in MSRP. Selecting between these two drives depends entirely on whether your primary requirement is the massive storage volume offered by the 9100 Pro or the cost efficiency provided by the 980 Pro.