Average Bench: 77.6% (218th of 848)

Based on 22,626 user benchmarks.  Models: Samsung SSD 840 EVO 120GB, Samsung SSD 840 EVO 1, Samsung SSD 840 EVO 120G, Samsung SSD 840 EVO

The 120GB Evo, like its 250GB sibling, features a second level Turbowrite cache (TWC). This 3GB block of high speed SLC memory allows the Evo to write data at 370 MB/s, nearly double its normal rate. When the TWC is full write speeds drop by around 50% but since consumers generally write less than 3GB in a typical write operation, the performance drop will rarely be noticed. On the other hand, in a server environment this sort of performance degradation would be unacceptable. Comparing the 120GB and 250GB Evos shows that they have similar performance profiles. The performance equivalence between the different capacities, coupled with the fact that their prices are almost linear, implies that both capacities represent roughly the same value for money. Within its TWC, the 120GB Evo is capable of chart topping burst IO rates and it sits squarely amongst the best performing 120GB drives. [Aug '14 SSDrivePro]

ADVERTISEMENT

Good average bench

The Samsung 840 Evo 120GB averaged 22.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung 840 Evo 120GB near the top of the comparison list.

Strengths

Avg. 4K Random Read Speed 36.3MB/s
Avg. Sequential Read Speed 470MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Evo 120GB is 40.4%. This is a relatively wide range which indicates that the Samsung 840 Evo 120GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Mixed IO Speed 41.3MB/s
Avg. 4K-64Thread Write Speed 153MB/s
ADVERTISEMENT

Average Bench

(Based on 22,626 samples)
Min Avg Max
363 Read 470 501
226 Write 310 351
180 Mixed 306 343
80% 362 MB/s
Min Avg Max
25.1 4K Read 36.3 45.4
28.8 4K Write 57.6 82.6
9.66 4K Mixed 19.1 24.6
110% 37.7 MB/s
Min Avg Max
32.6 DQ Read 196 366
46.7 DQ Write 153 242
13.2 DQ Mixed 41.3 68.5
67.2% 130 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
35GB free
Firmware: EXT0BB6Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 475
Write 308
Mixed 329
82% 371 MB/s
4K Read 35.9
4K Write 78.5
4K Mixed 24.6
127% 46.3 MB/s
DQ Read 346
DQ Write 232
DQ Mixed 69.5
111% 216 MB/s
35GB free
Firmware: EXT0BB6Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 494
Write 347
Mixed 338
87% 393 MB/s
4K Read 36.1
4K Write 50.8
4K Mixed 20
107% 35.6 MB/s
DQ Read 184
DQ Write 133
DQ Mixed 55.5
69% 124 MB/s
22,626 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,373,786 SSDs tested.

 Prices

AmazonUS $107.1914 mins ago.
EbayUS $112.1822 mins ago.
OutletPCUS $152.8423 hrs ago.
Send price feedback
Typical 840 Evo 120GB Builds (Compare 3,195 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 48%
Yacht
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 40%
Jet ski

Motherboard: MSI Z87-G45 GAMING (MS-7821) - $242

EDIT WITH CUSTOM PC BUILDER Value: 63% - Good Total price: $922

Popular 840 Evo 120GB 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.

UserBenchmark of the month

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.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) March 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]

 Comments

Controller: Samsung 3 Core MEX. Memory: Samsung 19nm Toggle Mode TLC.

Experience a brand new, faster performance...

Added 3 years ago.

Good (edit your comment) Add link

6 days ago.

Suffers from severe performance degradation.


Above average

2 years ago.


Good

12 days ago.

EXELLENT

Comment 

Good for general purpose use - best compromise between Price and performance. I have bought over 20 of these to retrofit into Laptops and desktop pc's to give a performance boost especially with a clean Windows 8.1 install. Makes a cheap Celeron Laptop fly like a new core i5 laptop with a standard electro-mechanical Hdd. PC World will not sell computers with SSD's in because if people savvy the huge performance boot you get with an SSD they will just buy a cheap sub £200 laptop and clone the disk to an SSD. Dell hike their prices to fit a 250GB SSD when you buy a new PC by £350 - WHAT A RIP OFF, No wonder they are going out of business. The 250GB and 500GB Samsung SSD's are equally good - recommended in fact. I have bought all of these in some quantity.—Oct '14


Good

6 months ago.

Price vs Performance that drive is perfect


Good

27 days ago.

Super Fast and Price is exelent


Good

12 days ago.

good speed 0 fails.


Poor

30 days ago.

nice


Good

23 days ago.

best performance for this price


Good

25 days ago.

Best ssd


Good

3 days ago.

i love this ssd, still fast on my old laptop with SATA 2.


Good

7 months ago.

Works really great. I've had it for 3 months already and had no troubles with it. It's fast and cheap. My 4 year old HP DV7-3180us feels like new with it.


Good

7 months ago.

great


Poor

3 months ago.

fast..


Good

8 months ago.

excellent


Poor

9 months ago.

Best value ever!


Good

2 years ago.

Low price , higher access , more faster !


Excellent

2 years ago.

This SSD is perfect.


Excellent

2 years ago.

awesome ssd


Your
opinion?
848 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 i7-7700K $310Nvidia GTX 1070 $370Samsung 850 Evo 250GB $94
AMD Ryzen 7 1700 $330AMD RX 480 $190Samsung 850 Pro 256GB $136
Intel Core i5-7600K $215Nvidia GTX 1060-6GB $235Samsung 850 Evo 500GB $160
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $110SanDisk Extreme 64GB $34
Seagate Barracuda 3TB (2016) $90G.SKILL Trident Z DDR4 3200 C14 4x16GB $430SanDisk Extreme 32GB $26
Seagate Barracuda 7200.14 1TB $50HyperX Fury DDR4 2133 C14 2x8GB $119SanDisk Ultra Fit 32GB $9
Today's hottest deals
User Guide  •  About  •  FAQs  •  @Email  •  Privacy  •  Developer Feedback