Pm981

NVMe Samsung 256GB

NVMe Samsung 256GB
BENCHMARKS (1,780)
MKT (0.1%)
BUILDS
(0)

▲ 500 ▼

Release date ≈ Q2 2018.

Effective Speed +85% Effective Speed 85%Average User Bench +102% Read 267%, Write 186%, 4K Read 40%, 4K Write 13%, Mixed 161%, 4K Mixed 31%, SusWrite 20%Peak Lab Bench +117% Read 338%, Write 186%, 4K Read 43%, 4K Write 25%, Mixed 183%, 4K Mixed 36%, SusWrite 7%Value & Sentiment -726%User Rating -72%, Market Share -1,381%Nice To Haves +189% DQ Read 156%, DQ Write 242%, DQ Mixed 196%, ADQ Read 140%, ADQ Write 139%, ADQ Mixed 175%, Age 294%, AS-SSD Total 168%

Market Leaders

Average Bench: 193% (64^th of 1003)

Based on 1,780 user benchmarks. Model: PM981 NVMe Samsung 256GB

Poor: 121%Average: 193% Great: 247%

Popular builds with this SSD

Outstanding average bench

The Pm981 NVMe Samsung 256GB averaged 93.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Pm981 NVMe Samsung 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 759MB/s

Avg. Sequential Read Speed 1,721MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Pm981 NVMe Samsung 256GB is 125%. This is a particularly wide range which indicates that the Pm981 NVMe Samsung 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 381MB/s

Avg. 4K Random Write Speed 107MB/s

Average Bench

(Based on 1,780 samples)

Rank 64193%

Min	Avg	Max
843	Read 1,721	2,237
848	Write 1,204	1,397
585	Mixed 954	1,184
265	SusWrite 381	449
236% 1,065 MB/s

Min	Avg	Max
33.9	4K Read 51.1	64.4
67.4	4K Write 107	160
41.2	4K Mixed 64.1	83.3
216% 74.1 MB/s

Min	Avg	Max
217	DQ Read 810	981
187	DQ Write 728	1,235
180	DQ Mixed 759	994
572% 766 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

CAN-User, 6 hrs ago.

183GB free (System drive)

Firmware: EXD71D1Q Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 1110 304 305 301 304 304 MB/s

216% Outstanding

Write 1,314

Mixed 1,130

SusWrite 438

278% 1,255 MB/s

4K Read 49.2

4K Write 94

4K Mixed 62.6

204% 68.6 MB/s

DQ Read 967

DQ Write 858

DQ Mixed 904

680% 910 MB/s

USA-User, 7 hrs ago.

146GB free (System drive)

Firmware: EXD71D1Q Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 506 333 333 334 318 319 MB/s

165% Outstanding

Write 1427

Mixed 1,006

SusWrite 357

254% 1,144 MB/s

4K Read 37.4

4K Write 86.2

4K Mixed 60.2

179% 61.3 MB/s

DQ Read 378

DQ Write 264

DQ Mixed 242

202% 295 MB/s

1,780 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,781,594 SSDs tested.

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

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CPU

GPU

SSD

HDD

RAM

MBD

Typical NVMe Samsung 256GB Builds (Compare 9,197 builds) See popular component choices, score breakdowns and rankings.

Gaming 18%

Surfboard

Desktop 91%

Nuclear submarine

Workstation 66%

Battle cruiser

System: Dell XPS 15 9570

CPU
Core i7-8750HIntelBench 82%, 134,329 samples	7,492x
Core i9-8950HKIntelBench 89%, 4,295 samples	1,171x
Core i5-8300HIntelBench 74%, 38,718 samples	533x

GPU
UHD Graphics 630IntelBench 8%, 88,272 samples	5,974x
GTX 1050-Ti (Mobile Max-Q)NvidiaBench 34%, 4,604 samples	2,967x
GTX 1050 (Mobile)NvidiaBench 29%, 63,876 samples	111x

SSD
NVMe Samsung 256GBPm981Bench 193%, 1,780 samples	1x

RAM
HMA81GS6CJR8N-VK 2x8GBUnknownBench 76%, 6,938 samples	2,125x
8ATF1G64HZ-2G6E1 2x8GBUnknownBench 76%, 3,904 samples	1,389x
16ATF2G64HZ-2G6E1 2x16GBUnknownBench 82%, 2,213 samples	1,124x

EDIT WITH CUSTOM PC BUILDER

Popular NVMe Samsung 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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Solid State Drive Rankings (Price vs Performance) July 2019 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. ^[SSDrivePro]

Group Test Results

Best user rated - User sentiment trumps benchmarks for this comparison.
Best value for money - Value for money is based on real world performance.
Fastest real world speed - Real World Speed measures performance for typical consumers.

1003 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

Frequently Asked Questions

Storage Devices FAQ

What is sustained sequential write speed?

What’s the difference between SLC, MLC and TLC?

What is 3D XPoint and how fast is it?

What’s the difference between SATA, PCIe and NVMe?

What’s the difference between NAND and V-NAND?

What is sequential write speed?

What is sequential read speed?

What is incompressible data?

What is queue depth?

Solid State Drives

What is the SSD value for money rating?

What is 4K 64 thread write speed?

Can CPU power saving states (C1,C2,C3) impact SSD speed?

What is the effective SSD speed index?

How is the AS SSD write score calculated?

How is the AS SSD read score calculated?

How is the AS SSD total score calculated?

ALL FAQs »

CPU	GPU	SSD
Intel Core i7-8700K $350	Nvidia GTX 1070 $400	Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $127	Nvidia GTX 1060-6GB $250	Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $248	Nvidia GTX 1080-Ti $808	Samsung 850 Pro 256GB $97

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $40	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68	SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $80	G.SKILL Trident Z DDR4 3200 C14 4x16GB $606	SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78	SanDisk Ultra Fit 32GB $12

Pm981

NVMe Samsung 256GB

Average Bench: 193% (64^th of 1003)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell XPS 15 9570

Popular NVMe Samsung 256GB systems:

UserBenchmark of the month

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Speed Comparisons

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Best User Rated

Pm981

NVMe Samsung 256GB

Average Bench: 193% (64th of 1003)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell XPS 15 9570

Popular NVMe Samsung 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

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Average Bench: 193% (64^th of 1003)