Average Bench: 36.6% (567th of 1015)

Based on 8,383 user benchmarks.  Model: SAMSUNG HM641JI

Poor average bench

The Samsung HM641JI 640GB averaged 63.4% 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 Mixed IO Speed 0.54MB/s
Avg. 4K Random Write Speed 1.17MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung HM641JI 640GB is 35.9%. This is a relatively wide range which indicates that the Samsung HM641JI 640GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 40.6MB/s
Avg. Sequential Write Speed 49.4MB/s
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Average Bench

(Based on 8,383 samples)
Min Avg Max
12.3 Read 64.1 90.2
12 Write 49.4 87.6
13 Mixed 40.6 52.3
25.6 SusWrite 63.2 91.4
40% 54.3 MB/s
Min Avg Max
0.1 4K Read 0.38 0.5
0.4 4K Write 1.17 1.7
0.1 4K Mixed 0.54 0.8
98.1% 0.7 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
581GB free
Firmware: 2AJ10002
SusWrite @10s intervals: 82 90 91 90 91 91 MB/s
Read 79.1
Write 49.2
Mixed 50.6
SusWrite 89
49% 67 MB/s
4K Read 0.4
4K Write 1.2
4K Mixed 0.4
83% 0.67 MB/s
427GB free (System drive)
Firmware: 2AJ10002
SusWrite @10s intervals: 44 55 36 29 37 50 MB/s
Read 74.8
Write 76.2
Mixed 47.6
SusWrite 41.8
44% 60.1 MB/s
4K Read 0.4
4K Write 1.5
4K Mixed 0.5
100% 0.8 MB/s
14GB free
Firmware: 2AJ1
SusWrite @10s intervals: 45 54 54 54 54 54 MB/s
Read 45.4
Write 14.8
Mixed 38.1
SusWrite 52.4
28% 37.7 MB/s
4K Read 0.4
4K Write 1.2
4K Mixed 0.6
106% 0.73 MB/s
463GB free
Firmware: 0301
SusWrite @10s intervals: 29 29 29 29 29 29 MB/s
Read 32.7
Write 28.5
Mixed 21.8
SusWrite 29.3
21% 28.1 MB/s
4K Read 0.5
4K Write 1.6
4K Mixed 0.7
128% 0.93 MB/s
385GB free
Firmware: 2AJ10002
SusWrite @10s intervals: 10 11 6.7 7.6 17 13 MB/s
Read 3.5
Write 5.2
Mixed 3
SusWrite 10.8
4% 5.62 MB/s
4K Read 0.3
4K Write 0.6
4K Mixed 0.2
46% 0.37 MB/s
8,383 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 38,273,074 HDDs tested.

 Prices

AmazonUS $503 months
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Typical HM641JI 640GB Builds (Compare 6,353 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 6%
Tree trunk
Desktop
Desktop 54%
Yacht
Workstation
Workstation 5%
Tree trunk

System: HP Pavilion dv6 Notebook PC

EDIT WITH CUSTOM PC BUILDER Value: 57% - Above average Total price: $235

Popular HM641JI 640GB systems:

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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.
  • - 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.
  • - Reports are generated and presented on userbenchmark.com.
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Hard Drive Rankings (Price vs Performance) May 2021 HDD Rankings.

We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by current cost per GB to yield value for money. 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 HDDs. [HDrivePro]

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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.

 Comments

Added n/a ago.

Terrible (edit your comment) Add link

22 months ago.

Very SLOW drive and now with win 10 installed has a very very bad 100% disc utilization issue at startup. none of the suggested work around help. tasks 10 minutes for the system to stabilize at startup and be usable


Your
opinion?
1015 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different HDDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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Intel Core i5-11600K $255Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i7-11700K $390Nvidia RTX 3080 $700Samsung 860 Evo 250GB $40
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $28Corsair Vengeance LPX DDR4 3000 C15 2x8GB $102SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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