The Samsung 970 EVO Plus 2TB wins in 4 out of 6 comparable specs. Its biggest advantage is Sequential Read (525% better).
870 EVO 1TB wins in 1 spec (MSRP: 42% better).
Recommendation
Choose 970 EVO Plus 2TB if you want the best overall performance — especially sequential read.
Choose 870 EVO 1TB if msrp matters more to you.
| Spec | Samsung870 EVO 1TB | Samsung970 EVO Plus 2TB |
|---|---|---|
| Storage | ||
| Capacity | 1000 GB | 2000 GB+100% |
| Type | SATA SSD | NVMe SSD |
| Interface | SATA 6 Gb/s | PCIe Gen3 x4 |
| Form Factor | 2.5" | M.2-2280 |
| NAND Type | TLC | TLC |
| Performance | ||
| Sequential Read | 560 MB/s | 3,500 MB/s+525% |
| Sequential Write | ||
| 530 MB/s |
| 3,300 MB/s+523% |
| Endurance (TBW) | 600 | 1,200+100% |
| Features | ||
| DRAM Cache | Yes | Yes |
| Platform | ||
| Controller | Samsung MKX | Samsung Phoenix |
| PCIe Gen | N/A | 3 |
| Price | ||
| MSRP | $70−42% | $120 |
| Release Date | Jan 2021 | Jan 2019 |
