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Samsung 990 Pro 1TB · bare — PCIe 4.0 · 7450/6900 MB/s · 1TB
Samsung

Samsung 990 Pro 1TB · bare

PCIe 4.0 · 7450/6900 MB/s · 1TB

86
/ 100
From $90
VS
Samsung 990 Pro 1TB · bare wins by 3
XPG MARS 980 BLADE — PCIe 5.0 NVMe · 14,000 MB/s read · PassMark #17
XPG

XPG MARS 980 BLADE

PCIe 5.0 NVMe · 14,000 MB/s read · PassMark #17

83
/ 100
From $300
Specdex verdict

Samsung 990 Pro 1TB · bare takes it — here’s why.

In our weighted Specdex score, Samsung 990 Pro 1TB · bare lands at 86 and XPG MARS 980 BLADE at 83. That puts Samsung 990 Pro 1TB · bare ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Samsung 990 Pro 1TB · bare if…

  • M.2 NVMe
  • Competitive per-GB cost
  • TBW scales with capacity

Pick XPG MARS 980 BLADE if…

  • PassMark Disk Score top-20 (88,359) — sustained-write class-leading
  • Current street price around $721
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Value for money

Samsung 990 Pro 1TB · bare

Specdex score per dollar at MSRP

Samsung 990 Pro 1TB · bare more score per dollar ($90 vs $300).

Samsung 990 Pro 1TB · bare 86
vs
83 XPG MARS 980 BLADE

Score breakdown

Samsung 990 Pro 1TB · bare
86
read 90
write 88
endurance 88
value 84
ssd 0
passmark_disk 0
XPG MARS 980 BLADE
83
read 0
write 0
endurance 0
value 0
ssd 83
passmark_disk 88359

Specs side-by-side

Samsung 990 Pro 1TB · bare versus XPG MARS 980 BLADE — full spec comparison
Spec Samsung 990 Pro 1TB · bare XPG MARS 980 BLADE
Interface
PCIe 4.0
PCIe 5.0 x4 NVMe 2.0
Capacity
1TB
Read/Write
7450/6900 MB/s
Form factor
M.2 2280 (passive, heat-spreader label)
Sequential read
14,000 MB/s
Sequential write
13,000 MB/s
Random read
2,000,000 IOPS
Random write
1,650,000 IOPS
Controller
Silicon Motion SM2508 (TSMC 6nm)
NAND
232-layer Micron 3D TLC
DRAM
yes (DRAM cache buffer)
Endurance
1,480 TBW
Warranty
5 years
PassMark Disk Score
88,359
PassMark rank
#17 of 100 consumer SSDs

Samsung 990 Pro 1TB · bare

Pros
  • +M.2 NVMe
  • +Competitive per-GB cost
  • +TBW scales with capacity
Cons
  • Thermals on Gen 5 drives
  • DRAM-less models slower under sustained load
  • Require heatsinks in many systems

XPG MARS 980 BLADE

Pros
  • +PassMark Disk Score top-20 (88,359) — sustained-write class-leading
  • +Current street price around $721
Cons
  • DRAM-less controllers on lower-tier variants may throttle under sustained writes

FAQ: Samsung 990 Pro 1TB · bare vs XPG MARS 980 BLADE

Which is better, Samsung 990 Pro 1TB · bare or XPG MARS 980 BLADE? +

Samsung 990 Pro 1TB · bare scores 86 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.

Is Samsung 990 Pro 1TB · bare worth the price? +

At $90, Samsung 990 Pro 1TB · bare delivers a Specdex score of 86 — strongest in read.

Is XPG MARS 980 BLADE worth the price? +

At $300, XPG MARS 980 BLADE delivers a Specdex score of 83 — strongest in passmark_disk.

Does Samsung 990 Pro 1TB · bare or XPG MARS 980 BLADE 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.

Which is the better value, Samsung 990 Pro 1TB · bare or XPG MARS 980 BLADE? +

Samsung 990 Pro 1TB · bare — more score per dollar ($90 vs $300). Specdex score per dollar at MSRP.