The SK Hynix Platinum P51 2TB is the objective winner of this comparison, securing more category victories than its competitor. The most impactful advantage offered by the SK Hynix Platinum P51 2TB is its sequential write speed, which outperforms the Samsung 980 Pro 2TB by 163 percent. While the Samsung 980 Pro 2TB maintains a 23 percent advantage in MSRP, the superior write performance makes the SK Hynix drive the more capable option across the majority of measured specifications.

Users who prioritize high-speed data writing should choose the SK Hynix Platinum P51 2TB to take advantage of its significant performance lead. Conversely, the Samsung 980 Pro 2TB is the better choice for budget-conscious buyers who value the 23 percent MSRP advantage over the raw write speed capabilities of the alternative. Selecting between these two drives depends entirely on whether your primary requirement is maximizing sequential write throughput or minimizing the initial cost of your storage solution.