The Samsung 990 Pro 2TB wins in 4 out of 7 comparable specs, with 2 ties. Its biggest advantage is DRAM Cache (100% better).
WD Blue SN5000 4TB wins in 1 spec (Capacity: 100% better).
Recommendation
Choose 990 Pro 2TB if you want the best overall performance — especially dram cache.
Choose WD Blue SN5000 4TB if capacity matters more to you.
