Samsung 990 Pro 8TB
PCIe 4.0 · 7450/6900 MB/s · 2TB
Samsung 980 Pro 8TB
PCIe 4.0 · 7000/5100 MB/s · 2TB
Dead heat — it comes down to priorities.
In our weighted Specdex score, Samsung 990 Pro 8TB lands at 86 and Samsung 980 Pro 8TB at 86. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Samsung 990 Pro 8TB if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
Pick Samsung 980 Pro 8TB if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
Winner by scenario
Derived from the sub-score breakdown · not a separate testEndurance & reliability
TieWrite endurance and long-term dependability
Effectively tied — neither pulls a 2-point weighted lead.
Value for money
TieSpecdex score per dollar at MSRP
Effectively tied — similar score-per-dollar at MSRP.
Score breakdown
Specs side-by-side
| Spec | Samsung 990 Pro 8TB | Samsung 980 Pro 8TB |
|---|---|---|
| Interface | PCIe 4.0 | PCIe 4.0 |
| Capacity | 8TB | 8TB |
| Read/Write | 7450/6900 MB/s | 7000/5100 MB/s |
Samsung 990 Pro 8TB
- +M.2 NVMe
- +Competitive per-GB cost
- +TBW scales with capacity
- −Thermals on Gen 5 drives
- −DRAM-less models slower under sustained load
- −Require heatsinks in many systems
Samsung 980 Pro 8TB
- +M.2 NVMe
- +Competitive per-GB cost
- +TBW scales with capacity
- −Thermals on Gen 5 drives
- −DRAM-less models slower under sustained load
- −Require heatsinks in many systems
FAQ: Samsung 990 Pro 8TB vs Samsung 980 Pro 8TB
Which is better, Samsung 990 Pro 8TB or Samsung 980 Pro 8TB? +
Both score 86 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Samsung 990 Pro 8TB worth the price? +
At $792, Samsung 990 Pro 8TB delivers a Specdex score of 86 — strongest in read.
Is Samsung 980 Pro 8TB worth the price? +
At $792, Samsung 980 Pro 8TB delivers a Specdex score of 86 — strongest in read.
Does Samsung 990 Pro 8TB or Samsung 980 Pro 8TB last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.