WDWD1003FZEX
SamsungHD103SJ
Real World Speed
Performance profile from 354,750 user samples
209,848 User Benchmarks
Best Bench: 109% 931GB free
Worst Bench: 55% 104GB free
Poor: 55% Great: 109%
SPEED RANK: 54th / 1015
144,902 User Benchmarks
Best Bench: 77% 931GB free
Worst Bench: 38% 798GB free
Poor: 38% Great: 77%
SPEED RANK: 189th / 1015
Effective Speed
Effective HDD Speed
84.3 % Much faster effective speed.
+40%
60.3 %
Read
Avg. Sequential Read Speed
155 MB/s Much faster read speed.
+52%
102 MB/s
Write
Avg. Sequential Write Speed
138 MB/s Much faster write speed.
+61%
85.9 MB/s
4K Read
Avg. 4K Random Read Speed
1.23 MB/s Much faster random read.
+58%
0.78 MB/s
4K Write
Avg. 4K Random Write Speed
2.47 MB/s 2.48 MB/s +0%
Mixed
Avg. Sequential Mixed IO Speed
88.9 MB/s Much faster mixed IO speed.
+41%
63.1 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
1.09 MB/s +1% 1.08 MB/s
SusWrite
Avg. Sustained Write Speed
139 MB/s Faster sustained write speed.
+30%
107 MB/s
Read
Peak Sequential Read Speed
205 MB/s Much faster peak read speed.
+53%
134 MB/s
Write
Peak Sequential Write Speed
179 MB/s Faster peak write speed.
+24%
144 MB/s
4K Read
Peak 4K Random Read Speed
1.5 MB/s Much faster peak random read.
+67%
0.9 MB/s
4K Write
Peak 4K Random Write Speed
3 MB/s 3.1 MB/s +3%
Mixed
Peak Sequential Mixed IO Speed
114 MB/s Much faster peak mixed IO speed.
+52%
75.1 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
1.2 MB/s 1.3 MB/s Slightly faster peak random mixed IO.
+8%
SusWrite
Peak Sequential Sustained Write 60s Average
182 MB/s Much faster peak sustained write speed.
+33%
137 MB/s
Market Share
Based on 39,703,889 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.73 % Hugely higher market share.
+152%
0.29 %
Value
Value For Money
23.1 % Much better value.
+53%
15.1 %
User Rating
UBM User Rating
58 % More popular.
+12%
52 %
Price
Price (score)
$73 Slightly cheaper.
+9%
$80
Age
Newest
93 Months Much more recent.
+34%
141 Months
Capacity
Capacity
1TB 1TB
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This is the most recent version (2013 FZEX) of Western Digital's best performing consumer storage drive, its predecessor was the WD1002FAEX which is now four years old. With average sequential read/write speeds of 150 MB/s this version outperforms its predecessor by a whopping 50%. Small file random 4K speeds have remained broadly unchanged with average read/write rates of 0.9/2.19 MB/s. Overall the 2013 WD Black has a very good performance profile and it also represents reasonable value for money, at least in the 1TB category. There are some good alternatives to the 2013 Black including the 2012 Blue. Looking at the 2013 Black vs 2012 Blue shows that both drives have similar performance. Power consumption (6.8/6.1 Watts active/idle) and noise levels (29.5 dBA) are also identical making it a tough call between the two. There is however, as always, better value amongst the larger capacities. [Feb '14 HDrivePro]

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The Samsung Spinpoint F3 is over four years old and one of the oldest drives that we have included in our group tests. The reason for its inclusion is that it was once one of the best hard drives available and we have seen more user benchmarks for this drive than any other. The price of this drive has fluctuated significantly over its epic four year life span and current prices do not reflect the great value for money that this drive once represented. In today's market the F3 struggles to keep up with the group leaders both in terms of performance and price. With an effective speed rating of 116 MB/s the F3 is one of the slowest 1TB drives in our group test. There are clearly newer and better alternatives available at this time. [Jan '14 HDrivePro]

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Hard Drive Rankings (Price vs Performance) July 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.
How Fast Is Your HDD? (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.
  • - 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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-11400F $260Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-10700K $320Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $180
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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