UserBenchmark: Samsung 840 Evo vs 850

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SamsungMZ-75E4T0B

BUY • $470

SamsungMZ-7TE1T0BW

BUY • $199

BenchYourSSD

Real World Speed

Performance profile from 24,622 user samples

Benchmark your SSD here

765 User Benchmarks

Best Bench: 133% 2.5TB free
Worst Bench: 85% 965GB free

Poor: 85% Great: 133%

SPEED RANK: 203^rd / 1072

23,857 User Benchmarks

Best Bench: 126% 236GB free
Worst Bench: 78% 86GB free (System drive)

Poor: 78% Great: 126%

SPEED RANK: 233^rd / 1072


Effective Speed Effective SSD Speed		113 %	Slightly faster effective speed. +7%		105 %


Read Avg. Sequential Read Speed	475 MB/s	+1%	470 MB/s
Write Avg. Sequential Write Speed	436 MB/s	Faster write speed. +18%	370 MB/s
4K Read Avg. 4K Random Read Speed	39 MB/s		39.1 MB/s	+0%
4K Write Avg. 4K Random Write Speed	87.8 MB/s	Slightly faster random write. +6%	82.6 MB/s
Mixed Avg. Sequential Mixed IO Speed	402 MB/s	Faster mixed IO speed. +18%	341 MB/s
4K Mixed Avg. 4K Random Mixed IO Speed	51.7 MB/s	+4%	49.5 MB/s
SusWrite Avg. Sustained Write Speed	432 MB/s	Faster sustained write speed. +25%	346 MB/s


Read Peak Sequential Read Speed	510 MB/s	+1%	507 MB/s
Write Peak Sequential Write Speed	489 MB/s	+1%	486 MB/s
4K Read Peak 4K Random Read Speed	46.5 MB/s		46.5 MB/s
4K Write Peak 4K Random Write Speed	126 MB/s	Slightly faster peak random write. +8%	117 MB/s
Mixed Peak Sequential Mixed IO Speed	441 MB/s	+5%	421 MB/s
4K Mixed Peak 4K Random Mixed IO Speed	64.6 MB/s	+5%	61.7 MB/s
SusWrite Peak Sequential Sustained Write 60s Average	488 MB/s	+2%	479 MB/s

Market Share

Based on 75,695,729 SSDs tested

See market share leaders


Market Share Market Share (trailing 30 days)	0 %		0.03 %	Insanely higher market share. +∞%
Value Value For Money	36.5 %	Much better value. +59%	22.9 %
User Rating UBM User Rating	50 %		50 %
Price Price (score)	$470		$199	Much cheaper. +58%


Age Newest	91+ Months	More recent. +27%	124+ Months
DQ Read Peak 4K-64Thread Read Speed	386 MB/s	+0%	385 MB/s
DQ Write Peak 4K-64Thread Write Speed	352 MB/s		361 MB/s	+3%
AS-SSD Total AS-SSD Total Score	1,274 Pts	+0%	1,272 Pts
DQ Mixed Peak 4K-64Thread Mixed IO Speed	364 MB/s	Much faster peak deep queue mixed IO. +35%	269 MB/s
ADQ Read Avg. 4K-64Thread Read Speed	332 MB/s		335 MB/s	+1%
ADQ Write Avg. 4K-64Thread Write Speed	281 MB/s	Slightly faster deep queue write. +8%	261 MB/s
ADQ Mixed Avg. 4K-64Thread Mixed IO Speed	296 MB/s	Much faster deep queue mixed IO. +35%	220 MB/s


Capacity Capacity			4TB			1TB

i sell child to buy good ssd ^{[Apr '19 userbanchmark]}

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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
- 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 $274	Nvidia RTX 4060 $295	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $42	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37	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