Average Bench: 34.6% (611th of 1015)

Based on 6,231 user benchmarks.  Model: SAMSUNG HM641JI

Poor average bench

The Samsung HM641JI 640GB averaged 65.3% 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 1.14MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung HM641JI 640GB is 38.7%. 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 38.6MB/s
Avg. Sequential Write Speed 48.5MB/s
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Average Bench

(Based on 6,231 samples)
Min Avg Max
10 Read 61.1 90.6
11.2 Write 48.5 86
11.2 Mixed 38.6 51
20.2 SusWrite 59.5 89.6
38.2% 51.9 MB/s
Min Avg Max
0.1 4K Read 0.38 0.5
0.4 4K Write 1.14 1.7
0.1 4K Mixed 0.54 0.8
96.5% 0.69 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
590GB free
Firmware: 2AJ10002
SusWrite @10s intervals: 83 90 90 91 92 91 MB/s
Read 86.5
Write 55
Mixed 54.5
SusWrite 89.5
53% 71.4 MB/s
4K Read 0.4
4K Write 1.4
4K Mixed 0.7
120% 0.83 MB/s
538GB free
Firmware: 2AJ10002
SusWrite @10s intervals: 76 86 86 84 85 86 MB/s
Read 76.5
Write 50
Mixed 50.3
SusWrite 83.8
48% 65.2 MB/s
4K Read 0.4
4K Write 1.2
4K Mixed 0.5
94% 0.7 MB/s
76GB free (System drive)
Firmware: 2AJ10001
SusWrite @10s intervals: 72 54 78 89 90 89 MB/s
Read 74.2
Write 92.1
Mixed 47.6
SusWrite 78.7
54% 73.1 MB/s
4K Read 0.5
4K Write 1.4
4K Mixed 0.6
113% 0.83 MB/s
94GB free
Firmware: 2AJ10003
SusWrite @10s intervals: 65 72 73 74 46 67 MB/s
Read 70.8
Write 29.7
Mixed 46
SusWrite 66.1
39% 53.2 MB/s
4K Read 0.5
4K Write 1.5
4K Mixed 0.9
149% 0.97 MB/s
477GB free
Firmware: 2AJ10001
SusWrite @10s intervals: 83 82 82 82 83 82 MB/s
Read 47.9
Write 26.2
Mixed 32
SusWrite 82.3
35% 47.1 MB/s
4K Read 0.5
4K Write 1.1
4K Mixed 0.6
108% 0.73 MB/s
76GB free
Firmware: 2AJ10002
SusWrite @10s intervals: 49 47 47 48 48 48 MB/s
Read 77.5
Write 50
Mixed 49.5
SusWrite 47.9
42% 56.2 MB/s
4K Read 0.5
4K Write 1.5
4K Mixed 0.8
138% 0.93 MB/s
217GB free
Firmware: 2AJ10002
SusWrite @10s intervals: 66 66 65 66 66 66 MB/s
Read 48.2
Write 3
Mixed 2.5
SusWrite 66.1
22% 30 MB/s
4K Read 0.4
4K Write 0.8
4K Mixed 0.8
120% 0.67 MB/s
71GB free
Firmware: 2AJ10003
SusWrite @10s intervals: 46 53 53 53 53 53 MB/s
Read 50
Write 21
Mixed 39
SusWrite 51.7
30% 40.4 MB/s
4K Read 0.5
4K Write 1.7
4K Mixed 0.8
141% 1 MB/s
6,231 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 23,065,441 HDDs tested.

 Prices

AmazonUS $4213 mins
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Typical HM641JI 640GB Builds (Compare 12,401 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 42%
Speed boat
Workstation
Workstation 18%
Surfboard

System: HP Pavilion dv6 Notebook PC

EDIT WITH CUSTOM PC BUILDER Value: 39% - Below average Total price: $260

Popular HM641JI 640GB systems:

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  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
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Hard Drive Rankings (Price vs Performance) January 2020 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

6 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


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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 i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $384Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $653SanDisk Ultra Fit 32GB $16
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