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WDWD20EZRX
WDWD15EARX
VS
▲ 501 ▼

Release date ≤ Q1 2014.

Effective Speed 
+34%
Real World Speed
Performance profile from 177,443 user samples
Benchmark your HDD here
170,877 User Benchmarks
Best Bench: 84% 2TB free
Worst Bench: 40% 1TB free
Poor: 40% Great: 84%
SPEED RANK: 173rd / 1015
6,566 User Benchmarks
Best Bench: 65% 1.5TB free
Worst Bench: 27% 1.5TB free (System drive)
Poor: 27% Great: 65%
SPEED RANK: 346th / 1015
Effective Speed
Effective HDD Speed 		63.6 % Much faster effective speed.
+34% 		47.5 %
Average Score 
+27%
Read
Avg. Sequential Read Speed 		114 MB/s Much faster read speed.
+33% 		85.5 MB/s
Write
Avg. Sequential Write Speed 		107 MB/s Much faster write speed.
+32% 		80.8 MB/s
4K Read
Avg. 4K Random Read Speed 		0.85 MB/s Faster random read.
+13% 		0.75 MB/s
4K Write
Avg. 4K Random Write Speed 		2.22 MB/s Much faster random write.
+35% 		1.64 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		71.7 MB/s +5% 68.5 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		0.89 MB/s Much faster random mixed IO.
+39% 		0.64 MB/s
SusWrite
Avg. Sustained Write Speed 		107 MB/s Much faster sustained write speed.
+34% 		79.9 MB/s
Peak Score 
+19%
Read
Peak Sequential Read Speed 		153 MB/s Faster peak read speed.
+28% 		120 MB/s
Write
Peak Sequential Write Speed 		144 MB/s Much faster peak write speed.
+32% 		109 MB/s
4K Read
Peak 4K Random Read Speed 		1 MB/s 1 MB/s
4K Write
Peak 4K Random Write Speed 		2.7 MB/s Faster peak random write.
+17% 		2.3 MB/s
Mixed
Peak Sequential Mixed IO Speed 		93.8 MB/s 95.1 MB/s +1%
4K Mixed
Peak 4K Random Mixed IO Speed 		1 MB/s Faster peak random mixed IO.
+25% 		0.8 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		146 MB/s Faster peak sustained write speed.
+29% 		113 MB/s
Value & Sentiment 
+1,148%
Market Share
Based on 53,300,035 HDDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.46 % Insanely higher market share.
+4,500% 		0.01 %
Value
Value For Money 		52 % Hugely better value.
+86% 		27.9 %
User Rating
UBM User Rating 		51 % +2% 50 %
Price
Price (score) 		$49 +4% $51
Nice To Haves 
+13%
Age
Newest 		140 Months 122+ Months More recent.
+13%
Specifications 
Capacity
Capacity 		2TB 1.5TB
Conclusion 
Average Bench 63.6%
Average Bench 47.5%
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The (WD20EZRX) is Western Digital's latest green drive. I don't see what's green about it considering that it draws 5.5 watts even when idle, which is about average nowadays. With peak sequential lab read/write speeds of 150 MB/s the performance profile is approximately 20% below average for recent Hard drive. It's not all bad news as the WD Green is priced aggressively so despite its relatively weak performance it still represents reasonable value for money, at least within the 2TB category. Due to economies of scale, larger capacity drives nearly always yield better value for money. Compared to the 3GB 7200.14 Barracuda, performance is very similar but the barracuda offers 50% more capacity for 36% more money. [Dec '13 HDrivePro]

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still does its job after 9 years !  [Nov '20 Qcjoe47]

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Hard Drive Rankings (Price vs Performance) April 2024 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.
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Welcome to our 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 value for money upgrades.

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  • - CPU tests include: integer, floating and string
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  • - 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
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 Frequently Asked Questions

Storage Devices FAQ
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $132Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $186Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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