The Samsung 980 Pro 1TB and the Western Digital WD Black SN770 2TB are evenly matched, resulting in an objective tie across the evaluated specifications. While both drives demonstrate comparable performance across the majority of metrics, they each offer one distinct, primary advantage. The Samsung 980 Pro 1TB provides a 100% advantage in DRAM cache, whereas the Western Digital WD Black SN770 2TB offers a 100% advantage in total storage capacity.

Users who prioritize the inclusion of a DRAM cache should select the Samsung 980 Pro 1TB for their system. Conversely, those who require maximum storage space for their files and applications should choose the Western Digital WD Black SN770 2TB. Each drive serves a specific need, so the final decision depends entirely on whether the user values the technical benefit of the cache or the utility of doubled capacity.