The Samsung 990 EVO Plus 4TB wins in 4 out of 6 comparable specs. Its biggest advantage is Sequential Read (1195% better).
870 EVO 2TB wins in 2 specs (DRAM Cache: 100% better).
Recommendation
Choose 990 EVO Plus 4TB if you want the best overall performance — especially sequential read.
Choose 870 EVO 2TB if dram cache matters more to you.
AI Versus Verdict
The Samsung 990 EVO Plus 4TB is the objective winner, securing victories in four out of six measured categories. Its most significant advantage is a sequential read speed that is 1195% better than the alternative. While the Samsung 870 EVO 2TB falls behind in most metrics, it maintains a distinct edge in architecture by offering a DRAM cache that is 100% better than the one found in the newer model.
Users prioritizing raw data transfer speeds should choose the Samsung 990 EVO Plus 4TB for its superior sequential read performance and higher capacity. Conversely, the Samsung 870 EVO 2TB is the better selection for those who specifically require the reliability and performance benefits provided by a DRAM cache. Your decision should depend on whether your workflow demands maximum throughput or the specific architectural advantages of integrated cache memory.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.
