The Western Digital WD Blue SN5000 4TB wins in 4 out of 6 comparable specs. Its biggest advantage is Sequential Read (882% better).
870 EVO 500GB 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 500GB if dram cache matters more to you.
