WDWD20EARX
WDWD2003FZEX
Real World Speed
Performance profile from 316,107 user samples
189,080 User Benchmarks
Best Bench: 68% 2TB free
Worst Bench: 31% 971GB free
Poor: 31% Great: 68%
SPEED RANK: 299th / 1015
127,027 User Benchmarks
Best Bench: 112% 2TB free
Worst Bench: 59% 1TB free
Poor: 59% Great: 112%
SPEED RANK: 40th / 1015
Effective Speed
Effective HDD Speed
50.6 % 86.4 % Much faster effective speed.
+71%
Read
Avg. Sequential Read Speed
90.3 MB/s 152 MB/s Much faster read speed.
+68%
Write
Avg. Sequential Write Speed
84.8 MB/s 157 MB/s Hugely faster write speed.
+85%
4K Read
Avg. 4K Random Read Speed
0.75 MB/s 0.93 MB/s Faster random read.
+24%
4K Write
Avg. 4K Random Write Speed
1.61 MB/s 3.03 MB/s Hugely faster random write.
+88%
Mixed
Avg. Sequential Mixed IO Speed
66.8 MB/s 85.4 MB/s Faster mixed IO speed.
+28%
4K Mixed
Avg. 4K Random Mixed IO Speed
0.62 MB/s 0.96 MB/s Much faster random mixed IO.
+55%
SusWrite
Avg. Sustained Write Speed
85.9 MB/s 149 MB/s Much faster sustained write speed.
+73%
Read
Peak Sequential Read Speed
123 MB/s 194 MB/s Much faster peak read speed.
+58%
Write
Peak Sequential Write Speed
113 MB/s 205 MB/s Hugely faster peak write speed.
+81%
4K Read
Peak 4K Random Read Speed
1 MB/s 1.1 MB/s Faster peak random read.
+10%
4K Write
Peak 4K Random Write Speed
2.3 MB/s 3.4 MB/s Much faster peak random write.
+48%
Mixed
Peak Sequential Mixed IO Speed
97.2 MB/s 104 MB/s Slightly faster peak mixed IO speed.
+7%
4K Mixed
Peak 4K Random Mixed IO Speed
0.8 MB/s 1.1 MB/s Much faster peak random mixed IO.
+38%
SusWrite
Peak Sequential Sustained Write 60s Average
116 MB/s 199 MB/s Much faster peak sustained write speed.
+72%
Market Share
Based on 39,698,157 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.43 % 0.46 % Slightly higher market share.
+7%
Value
Value For Money
20.2 % 32.9 % Much better value.
+63%
User Rating
UBM User Rating
52 % 57 % Slightly more popular.
+10%
Price
Price (score)
$100 +5% $105
Age
Newest
123 Months 93 Months More recent.
+24%
Capacity
Capacity
2TB 2TB
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The Western Digital Green (EARX) was released approximately three years ago and proved to be an extremely popular hard drive. This drive has been benchmarked by our users far more than most, currently 118 samples, so we have a relatively large set of performance data from which we can infer robust performance characteristics. With sequential read/write Lab speeds hitting the 150 MB/s mark, and more importantly, average read/write UserBenchMark (UBM) figures of 125/117 MB/s the 2011 WD Green is no longer able to compete with the newer and in many cases larger platter (1TB) drives of today. Looking at a direct comparison between the EARX and, its direct successor, the EZRX shows that the newer 2012 EZRX outperforms by around 37% in real world tests and 18% in peak Lab tests. This additional performance comes at no extra cost and makes the newer EZRX a far better choice. [Jan '14 HDrivePro]

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This is the current version (2013) of Western Digital's best performing, Black, consumer storage drive. A comparison between the 2013 and 2010 versions shows that core real world performance has improved by around 15%. The 38 month old 2010 FAEX Black is also slightly more expensive at the moment, probably because retailers are slowly running out of stock. With average sequential read/write speeds of 150 MB/s and read/write 4k speeds of 0.8/2.9 MB/s the 2013 2TB WD Black has a solid performance profile but it's slightly overpriced. There is better value available amongst other drives in the group test[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 $175
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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