ADATA SSD
ADATA
85 Overall Score
vs
Samsung PM991
Samsung
38 Overall Score
Scores
Console
Workstation
Gaming
Budget
Laptop
Portable
Specifications
| ADATA SSD | Samsung PM991 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2242 |
| Interface | PCIe 4.0 | PCIe 3.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4★ | 3 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | No data | |
| Sequential Write (MB/s) | No data | |
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC★ | — |
| DRAM Cache | ✓★ | — |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Features | ||
| Heatsink | ✓★ | — |
Pros & Cons
ADATA SSD
- Strong feature (94th percentile)94th %ile
- Strong speed (92nd percentile)92nd %ile
- Strong random (90th percentile)90th %ile
- Strong social proof (79th percentile)
Samsung PM991
- Strong social proof (79th percentile)
- Below average feature (14th percentile)14th %ile
- Below average endurance (14th percentile)14th %ile
- Below average capacity (17th percentile)17th %ile
Verdict
Winner: ADATA SSD
Scores 85 overall, wins 6 of 6 usage categories and 11 of 15 specs.