Average Bench: 59.8% (588th of 929)

Based on 13,077 user benchmarks.  Model: Samsung SSD 840 Series

The Samsung 840 is the budget version of the 840 Pro, the main difference between the hardware on the two drives is the type of flash memory used. The cheaper 840 uses TLC NAND which is cheaper than the MLC found in the Pro version of this drive. The performance hit as a result of the cheaper TLC memory is approximately 30%. The 840 delvers both average real world speeds (435 MB/s) and average enterprise speeds (AS-SSD Total Score 920). The relative weak spots in this drives performance profile are its write ability, where it scores just 254 MB/s in the sequential write test. The upside to the lost performance over the Pro version is a significant reduction in price which leaves this drive an average value for money proposition at its current price of £135. There are, however, better value drives to be had elsewhere including Samsungs own newly released EVO which effectively supersedes the 840. [Aug '13 SSDrivePro]

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Average average bench

The Samsung 840 250GB averaged 40.2% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K Random Read Speed 23.9MB/s
Avg. 4K Random Write Speed 63.7MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 250GB is 37.3%. This is a relatively wide range which indicates that the Samsung 840 250GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Mixed IO Speed 23.2MB/s
Avg. Sequential Mixed IO Speed 166MB/s
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Average Bench

(Based on 13,077 samples)
Min Avg Max
321 Read 454 513
49.8 Write 166 249
80.5 Mixed 166 259
57% 262 MB/s
Min Avg Max
16 4K Read 23.9 29.8
33.3 4K Write 63.7 96.5
9.13 4K Mixed 11.8 13.6
85% 33.1 MB/s
Min Avg Max
21.6 DQ Read 187 353
48.4 DQ Write 131 215
9.09 DQ Mixed 23.2 32
54.1% 114 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
232GB free
Firmware: DXT07B0Q Max speed: SATA 3.0 600 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 500
Write 248
Mixed 212
70% 320 MB/s
4K Read 26.3
4K Write 69.6
4K Mixed 12.9
93% 36.3 MB/s
DQ Read 318
DQ Write 207
DQ Mixed 33.4
87% 186 MB/s
107GB free
Firmware: DXT0AB0Q Max speed: SATA 3.0 600 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 497
Write 248
Mixed 218
70% 321 MB/s
4K Read 27.1
4K Write 72.4
4K Mixed 13
96% 37.5 MB/s
DQ Read 276
DQ Write 211
DQ Mixed 31.5
81% 173 MB/s
137GB free
Firmware: DXT0AB0Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 511
Write 227
Mixed 267
74% 335 MB/s
4K Read 27.7
4K Write 72.8
4K Mixed 13
97% 37.9 MB/s
DQ Read 267
DQ Write 183
DQ Mixed 30.1
75% 160 MB/s
160GB free
Firmware: DXT0 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 434
Write 58
Mixed 78.6
40% 190 MB/s
4K Read 28.3
4K Write 47.4
4K Mixed 11.2
82% 29 MB/s
DQ Read 238
DQ Write 83.5
DQ Mixed 25.9
55% 116 MB/s
13,077 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 7,224,126 SSDs tested.

 Prices

Approx. $195 @ launch in Oct '12
AmazonUS $1921 month
OutletPCUS $2081 month
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Typical 840 250GB Builds (Compare 9,613 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 58%
Gunboat
Desktop
Desktop 60%
Destroyer
Workstation
Workstation 38%
Jet ski

Motherboard: Asrock Z77 Extreme4 - $167

EDIT WITH CUSTOM PC BUILDER Value: 61% - Good Total price: $1,014

Popular 840 250GB compatible motherboards:

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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How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
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Solid State Drive Rankings (Price vs Performance) June 2018 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 - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.

 Comments

Controller: Samsung 3-core MDX. Flash Memory: Samsung 21nm Toggle Mode TLC.

The single best upgrade for your PC...

Added 5 years ago.

Very poor

4 years ago.

Review  hexus.net/...

Image  img.hexus.net/...
AS SSD Benchmark Speed Test

AS SSD Benchmark Speed Test

Review  www.hardocp.com/...

Image  www.hardocp.com/...
Dec '12 AS SSD Benchmark Test Score

Dec '12 AS SSD Benchmark Test Score

Review  thessdreview.com/...

Image  www.thessdreview.com/...
Oct '12 AS SSD Benchmark Speed Test

Oct '12 AS SSD Benchmark Speed Test


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opinion?
929 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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $320Nvidia GTX 1070 $413Samsung 850 Evo 250GB $104
AMD Ryzen 5 1600 $160Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $125
Intel Core i5-8600K $222AMD RX 480 $280Samsung 850 Pro 256GB $125
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $177SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $911SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $59HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Ultra Fit 32GB $12
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