SeagateST3320620AS
SeagateST4000DM005

Release date ≤ Q4 2013.

VS
About

Release date: Q3 2016.

Real World Speed
Performance profile from 36,442 user samples
19,513 User Benchmarks
Best Bench: 44% 278GB free
Worst Bench: 19% 297GB free
Poor: 19% Great: 44%
SPEED RANK: 625th / 1015
16,929 User Benchmarks
Best Bench: 106% 3.5TB free
Worst Bench: 54% 3TB free (System drive)
Poor: 54% Great: 106%
SPEED RANK: 55th / 1015
Effective Speed
Effective HDD Speed
34.4 % 85.2 % Hugely faster effective speed.
+147%
Read
Avg. Sequential Read Speed
61.5 MB/s 147 MB/s Hugely faster read speed.
+139%
Write
Avg. Sequential Write Speed
48.8 MB/s 128 MB/s Hugely faster write speed.
+162%
4K Read
Avg. 4K Random Read Speed
0.61 MB/s 0.66 MB/s Slightly faster random read.
+8%
4K Write
Avg. 4K Random Write Speed
1.44 MB/s 1.84 MB/s Faster random write.
+28%
Mixed
Avg. Sequential Mixed IO Speed
39.3 MB/s 65.2 MB/s Much faster mixed IO speed.
+66%
4K Mixed
Avg. 4K Random Mixed IO Speed
0.7 MB/s 0.74 MB/s Slightly faster random mixed IO.
+6%
SusWrite
Avg. Sustained Write Speed
58.2 MB/s 150 MB/s Hugely faster sustained write speed.
+158%
Read
Peak Sequential Read Speed
76.1 MB/s 189 MB/s Hugely faster peak read speed.
+148%
Write
Peak Sequential Write Speed
73.6 MB/s 166 MB/s Hugely faster peak write speed.
+126%
4K Read
Peak 4K Random Read Speed
0.7 MB/s 0.7 MB/s
4K Write
Peak 4K Random Write Speed
2 MB/s 2.3 MB/s Slightly faster peak random write.
+15%
Mixed
Peak Sequential Mixed IO Speed
46.7 MB/s 78.4 MB/s Much faster peak mixed IO speed.
+68%
4K Mixed
Peak 4K Random Mixed IO Speed
0.9 MB/s 0.9 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
77.2 MB/s 188 MB/s Hugely faster peak sustained write speed.
+144%
Market Share
Based on 20,477,955 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.08 % 0.14 % Much higher market share.
+75%
Value
Value For Money
2.51 % 59.8 % Insanely better value.
+2,282%
User Rating
UBM User Rating
50 % 72 % Much more popular.
+44%
Price
Price (score)
$88 Cheaper.
+23%
$114
Age
Newest
70+ Months 37 Months Much more recent.
+47%
Capacity
Capacity
320GB 4TB
Hard Drive Rankings (Price vs Performance) October 2019 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.
  • - 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.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-9400F $140Nvidia GTX 1660 $210Samsung 850 Evo 250GB $55
Intel Core i5-9600K $238Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $107
Intel Core i7-9700K $288Nvidia RTX 2060S (Super) $430Samsung 850 Pro 256GB $200
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $83G.SKILL Trident Z DDR4 3200 C14 4x16GB $603SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70SanDisk Ultra Fit 32GB $14
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