UserBenchmark: Samsung 860 Evo vs PM951 NVMe PCIe M.2

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Samsung

SamsungMZ-76E500B

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Real World Speed

Performance profile from 776,764 user samples

Benchmark your SSD here

13,766 User Benchmarks

Best Bench: 147% 80GB free
Worst Bench: 77% 75GB free (System drive)

Poor: 77% Great: 147%

SPEED RANK: 190^th / 1072

762,998 User Benchmarks

Best Bench: 129% 444GB free
Worst Bench: 74% 104GB free (System drive)

Poor: 74% Great: 129%

SPEED RANK: 231^st / 1072


Effective Speed Effective SSD Speed		120 %	Faster effective speed. +14%		105 %


Read Avg. Sequential Read Speed	919 MB/s	Hugely faster read speed. +91%	480 MB/s
Write Avg. Sequential Write Speed	259 MB/s		401 MB/s	Much faster write speed. +55%
4K Read Avg. 4K Random Read Speed	39.1 MB/s	Slightly faster random read. +8%	36.1 MB/s
4K Write Avg. 4K Random Write Speed	109 MB/s	Faster random write. +15%	94.9 MB/s
Mixed Avg. Sequential Mixed IO Speed	284 MB/s		375 MB/s	Much faster mixed IO speed. +32%
4K Mixed Avg. 4K Random Mixed IO Speed	30.9 MB/s		47.9 MB/s	Much faster random mixed IO. +55%
SusWrite Avg. Sustained Write Speed	227 MB/s		334 MB/s	Much faster sustained write speed. +47%


Read Peak Sequential Read Speed	1042 MB/s	Hugely faster peak read speed. +102%	516 MB/s
Write Peak Sequential Write Speed	308 MB/s		493 MB/s	Much faster peak write speed. +60%
4K Read Peak 4K Random Read Speed	42.1 MB/s		46.8 MB/s	Faster peak random read. +11%
4K Write Peak 4K Random Write Speed	161 MB/s	Faster peak random write. +28%	126 MB/s
Mixed Peak Sequential Mixed IO Speed	346 MB/s		467 MB/s	Much faster peak mixed IO speed. +35%
4K Mixed Peak 4K Random Mixed IO Speed	40.7 MB/s		63.7 MB/s	Much faster peak random mixed IO. +57%
SusWrite Peak Sequential Sustained Write 60s Average	298 MB/s		446 MB/s	Much faster peak sustained write speed. +50%

Market Share

Based on 75,664,780 SSDs tested

See market share leaders


Market Share Market Share (trailing 30 days)		0.02 %			0.93 %	Insanely higher market share. +4,550%
User Rating UBM User Rating		50 %			58 %	More popular. +16%


Age Newest	101+ Months		74+ Months	More recent. +27%
DQ Read Peak 4K-64Thread Read Speed	988 MB/s	Hugely faster peak deep queue read. +154%	389 MB/s
DQ Write Peak 4K-64Thread Write Speed	314 MB/s		363 MB/s	Faster peak deep queue write. +16%
AS-SSD Total AS-SSD Total Score	2,192 Pts	Much stronger server IO. +70%	1,292 Pts
DQ Mixed Peak 4K-64Thread Mixed IO Speed	423 MB/s	Faster peak deep queue mixed IO. +14%	371 MB/s
ADQ Read Avg. 4K-64Thread Read Speed	813 MB/s	Hugely faster deep queue read. +135%	346 MB/s
ADQ Write Avg. 4K-64Thread Write Speed	260 MB/s		291 MB/s	Faster deep queue write. +12%
ADQ Mixed Avg. 4K-64Thread Mixed IO Speed	349 MB/s	Faster deep queue mixed IO. +23%	284 MB/s


Capacity Capacity			256GB			500GB

Fast as heck...at half speed I might add! ^{[Aug '17 blazeaglory]}

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Solid State Drive Rankings (Price vs Performance) April 2024 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.

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

Welcome to our 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 value for money upgrades.

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How it works

- Download and run UserBenchmark
- CPU tests include: integer, floating and string
- GPU tests include: six 3D game simulations
- Drive tests include: read, write, sustained write and mixed IO
- RAM tests include: single/multi core bandwidth and latency
- SkillBench (space shooter) tests user input accuracy
- Reports are generated and presented on userbenchmark.com
- Identify the strongest components in your PC
- See speed test results from other users
- Compare your components to the current market leaders
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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 i5-13600K $279	Nvidia RTX 4060 $300	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182	Nvidia RTX 4070 $409	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16