UserBenchmark: Samsung 990 Pro NVMe PCIe M.2 vs WD Black SN850X

SSD
RANKINGS

TEST
YOUR SSD

ADD TO PC
BUILD

SamsungMZ-V9P2T0B

BUY • $170

WDWDS100T2X0E

BUY • $85

BenchYourSSD

Real World Speed

Performance profile from 68,699 user samples

Benchmark your SSD here

45,230 User Benchmarks

Best Bench: 592% 7.5TB free
Worst Bench: 299% 1TB free

Poor: 299% Great: 592%

SPEED RANK: 5^th / 1072

23,469 User Benchmarks

Best Bench: 598% 895GB free
Worst Bench: 251% 896GB free (System drive)

Poor: 251% Great: 598%

SPEED RANK: 8^th / 1072


Effective Speed Effective SSD Speed		460 %	Slightly faster effective speed. +5%		437 %


Read Avg. Sequential Read Speed	2437 MB/s		3645 MB/s	Much faster read speed. +50%
Write Avg. Sequential Write Speed	3783 MB/s	+2%	3724 MB/s
4K Read Avg. 4K Random Read Speed	76.6 MB/s	Faster random read. +15%	66.8 MB/s
4K Write Avg. 4K Random Write Speed	200 MB/s	+4%	193 MB/s
Mixed Avg. Sequential Mixed IO Speed	2909 MB/s	+4%	2784 MB/s
4K Mixed Avg. 4K Random Mixed IO Speed	104 MB/s	Faster random mixed IO. +24%	83.9 MB/s
SusWrite Avg. Sustained Write Speed	3088 MB/s	Much faster sustained write speed. +47%	2099 MB/s


Read Peak Sequential Read Speed	3216 MB/s		4600 MB/s	Much faster peak read speed. +43%
Write Peak Sequential Write Speed	4850 MB/s		4898 MB/s	+1%
4K Read Peak 4K Random Read Speed	96.9 MB/s	Faster peak random read. +15%	84.6 MB/s
4K Write Peak 4K Random Write Speed	313 MB/s	+3%	305 MB/s
Mixed Peak Sequential Mixed IO Speed	3600 MB/s	Slightly faster peak mixed IO speed. +6%	3400 MB/s
4K Mixed Peak 4K Random Mixed IO Speed	145 MB/s	Faster peak random mixed IO. +29%	112 MB/s
SusWrite Peak Sequential Sustained Write 60s Average	4083 MB/s	+2%	4000 MB/s

Market Share

Based on 75,868,116 SSDs tested

See market share leaders


Market Share Market Share (trailing 30 days)	1.15 %	Hugely higher market share. +113%	0.54 %
Value Value For Money	190 %	+5%	181 %
User Rating UBM User Rating	51 %		68 %	Much more popular. +33%
Price Price (score)	$170		$85	Much cheaper. +50%


Age Newest	18+ Months	Slightly more recent. +10%	20+ Months
DQ Read Peak 4K-64Thread Read Speed	2295 MB/s		2463 MB/s	Slightly faster peak deep queue read. +7%
DQ Write Peak 4K-64Thread Write Speed	1828 MB/s		2050 MB/s	Faster peak deep queue write. +12%
AS-SSD Total AS-SSD Total Score	6,826 Pts		7,413 Pts	Slightly stronger server IO. +9%
DQ Mixed Peak 4K-64Thread Mixed IO Speed	2032 MB/s		2235 MB/s	Slightly faster peak deep queue mixed IO. +10%
ADQ Read Avg. 4K-64Thread Read Speed	1648 MB/s		1717 MB/s	+4%
ADQ Write Avg. 4K-64Thread Write Speed	1221 MB/s		1358 MB/s	Faster deep queue write. +11%
ADQ Mixed Avg. 4K-64Thread Mixed IO Speed	1426 MB/s		1514 MB/s	Slightly faster deep queue mixed IO. +6%


Capacity Capacity			2TB			1TB

easily one of the fastest drives I have ever had ^{[Sep '23 maxscholes]}

MORE DETAILS

Systems with these SSDs

Top Builds that include these SSDs

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

CHOOSE A COMPONENT:

CPU

GPU

SSD

HDD

RAM

MBD

Solid State Drive Rankings (Price vs Performance) May 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.

UserBenchmark of the month

Gaming

Desktop

ProGaming

CPU

GPU

SSD

HDD

RAM

USB

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
- Explore your best upgrade options with a virtual PC build
- Compare your in-game FPS to other users with your hardware

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 $254	Nvidia RTX 4060 $293	Crucial MX500 250GB $39
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $175	Nvidia RTX 4070 $550	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16