UserBenchmark: Kingston SSDNow UV400 vs Samsung 840 Evo

SSD
RANKINGS

TEST
YOUR SSD

ADD TO PC
BUILD

SamsungMZ-7TE500BW

BUY • $150

KingstonSUV400S37/240G

BUY • $89

BenchYourSSD

Real World Speed

Performance profile from 173,416 user samples

Benchmark your SSD here

68,337 User Benchmarks

Best Bench: 126% 450GB free
Worst Bench: 72% 150GB free (System drive)

Poor: 72% Great: 126%

SPEED RANK: 244^th / 1071

105,079 User Benchmarks

Best Bench: 88% 223GB free
Worst Bench: 49% 175GB free (System drive)

Poor: 49% Great: 88%

SPEED RANK: 640^th / 1071


Effective Speed Effective SSD Speed		103 %	Much faster effective speed. +44%		71.5 %


Read Avg. Sequential Read Speed	468 MB/s	Slightly faster read speed. +6%	443 MB/s
Write Avg. Sequential Write Speed	381 MB/s		401 MB/s	Slightly faster write speed. +5%
4K Read Avg. 4K Random Read Speed	39.2 MB/s	Much faster random read. +44%	27.2 MB/s
4K Write Avg. 4K Random Write Speed	85.6 MB/s	Faster random write. +24%	69.1 MB/s
Mixed Avg. Sequential Mixed IO Speed	344 MB/s	Much faster mixed IO speed. +53%	225 MB/s
4K Mixed Avg. 4K Random Mixed IO Speed	49.6 MB/s	Much faster random mixed IO. +69%	29.3 MB/s
SusWrite Avg. Sustained Write Speed	298 MB/s	Hugely faster sustained write speed. +129%	130 MB/s


Read Peak Sequential Read Speed	508 MB/s	+2%	496 MB/s
Write Peak Sequential Write Speed	486 MB/s	+5%	463 MB/s
4K Read Peak 4K Random Read Speed	46.2 MB/s	Much faster peak random read. +32%	35 MB/s
4K Write Peak 4K Random Write Speed	116 MB/s	Faster peak random write. +19%	97.7 MB/s
Mixed Peak Sequential Mixed IO Speed	420 MB/s	Faster peak mixed IO speed. +15%	365 MB/s
4K Mixed Peak 4K Random Mixed IO Speed	60.5 MB/s	Much faster peak random mixed IO. +42%	42.6 MB/s
SusWrite Peak Sequential Sustained Write 60s Average	445 MB/s	Hugely faster peak sustained write speed. +203%	147 MB/s

Market Share

Based on 75,847,150 SSDs tested

See market share leaders


Market Share Market Share (trailing 30 days)	0.05 %		0.12 %	Hugely higher market share. +140%
Value Value For Money	16.5 %	Much better value. +69%	9.78 %
User Rating UBM User Rating	51 %		52 %	+2%
Price Price (score)	$150		$89	Much cheaper. +41%


Age Newest	125+ Months		95+ Months	More recent. +24%
DQ Read Peak 4K-64Thread Read Speed	385 MB/s	Faster peak deep queue read. +18%	327 MB/s
DQ Write Peak 4K-64Thread Write Speed	362 MB/s	Faster peak deep queue write. +28%	283 MB/s
AS-SSD Total AS-SSD Total Score	1,272 Pts	Stronger server IO. +20%	1,060 Pts
DQ Mixed Peak 4K-64Thread Mixed IO Speed	255 MB/s	Much faster peak deep queue mixed IO. +37%	186 MB/s
ADQ Read Avg. 4K-64Thread Read Speed	338 MB/s	Faster deep queue read. +21%	280 MB/s
ADQ Write Avg. 4K-64Thread Write Speed	287 MB/s	Much faster deep queue write. +43%	201 MB/s
ADQ Mixed Avg. 4K-64Thread Mixed IO Speed	218 MB/s	Much faster deep queue mixed IO. +51%	144 MB/s


Capacity Capacity			500GB			240GB

poor performance ^{[Jun '18 ViceCity]}

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) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16