The Western Digital WD Blue SN5000 4TB wins in 3 out of 6 comparable specs, with 1 tie. Its biggest advantage is Sequential Read (882% better).
870 EVO 2TB wins in 2 specs (DRAM Cache: 100% better).
Recommendation
Choose WD Blue SN5000 4TB if you want the best overall performance — especially sequential read.
Choose 870 EVO 2TB if dram cache matters more to you.
