Average Bench: 48.5% (21st of 639)

Based on 395 user benchmarks.  Device: VID 05dc PID a212 Model: Lexar USB Flash Drive
Poor: 11%Average: 48.5% Great: 92%

Below average average bench

The Lexar JumpDrive P20 USB 3.0 64GB averaged 51.5% 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. Sustained Write Speed 141MB/s
Avg. Sequential Write Speed 98.8MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Lexar JumpDrive P20 USB 3.0 64GB is 81.4%. This is a particularly wide range which indicates that the Lexar JumpDrive P20 USB 3.0 64GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 4.71MB/s
Avg. 4K Random Write Speed 0.71MB/s
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Average Bench

(Based on 395 samples)
Min Avg Max
28.3 Read 154 285
17.2 Write 98.8 247
14.1 Mixed 74.1 166
17.1 SusWrite 141 267
152% 117 MB/s
Min Avg Max
2.03 4K Read 4.71 8.52
0.12 4K Write 0.71 1
0.19 4K Mixed 0.77 1.6
67.6% 2.06 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
50GB free, PID a212
Operating at USB 3.0 Speed
SusWrite @10s intervals: 266 263 266 265 264 264 MB/s
Read 297
Write 248
Mixed 132
SusWrite 264
308% 235 MB/s
4K Read 4.9
4K Write 1
4K Mixed 1.6
107% 2.5 MB/s
21GB free, PID a212
Operating at USB 2.1 Speed
SusWrite @10s intervals: 16 21 22 20 22 21 MB/s
Read 10.3
Write 14.2
Mixed 13.5
SusWrite 20.3
21% 14.6 MB/s
4K Read 1.9
4K Write 0.4
4K Mixed 0.7
44% 1 MB/s
395 MORE »

 Prices

Approx. $33 @ launch in Feb '15
AmazonUS LJDP20-64GCRBNA $4012 months
BHPhotoUS LJDP20-64GCRBNA $402 years
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USB Flash Drive Rankings (Price vs Performance) January 2020 USB Rankings.

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]

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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

Sleek, High-Performance Portable Storage...

Added 4 years ago.

Poor

2 years ago.

Unfortunately I must say that one of the slowest USB keys I have ever used whatever the benchmarks say.


Your
opinion?
639 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different USBs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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The Best.
CPUGPUSSD
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Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $356Nvidia RTX 2060 $349Samsung 850 Pro 512GB $249
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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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