Average Bench: 48.3% (23rd of 639)

Based on 357 user benchmarks.  Device: VID 05dc PID a212 Model: Lexar USB Flash Drive
Poor: 11%Average: 48.3% Great: 91%

Below average average bench

The Lexar JumpDrive P20 USB 3.0 64GB averaged 51.6% 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 149MB/s
Avg. Sequential Write Speed 97.8MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Lexar JumpDrive P20 USB 3.0 64GB is 80.7%. 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 4.77MB/s
Avg. 4K Random Write Speed 0.7MB/s
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Average Bench

(Based on 357 samples)
Min Avg Max
29 Read 156 285
17.4 Write 97.8 235
13.5 Mixed 74.8 168
16.3 SusWrite 149 268
155% 120 MB/s
Min Avg Max
2.03 4K Read 4.77 8.57
0.11 4K Write 0.7 1
0.18 4K Mixed 0.7 1.6
65.2% 2.06 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
46GB free, PID a212
Operating at USB 3.0 Speed
SusWrite @10s intervals: 181 272 246 227 202 244 MB/s
Read 271
Write 253
Mixed 131
SusWrite 229
291% 221 MB/s
4K Read 4.5
4K Write 1
4K Mixed 1.5
102% 2.33 MB/s
30GB free, PID a212
Operating at USB 2.1 Speed
SusWrite @10s intervals: 40 40 41 40 40 36 MB/s
Read 39
Write 38.3
Mixed 35
SusWrite 39.6
52% 38 MB/s
4K Read 3.3
4K Write 0.8
4K Mixed 1.3
84% 1.8 MB/s
357 MORE »

 Prices

Approx. $33 @ launch in Feb '15
AmazonUS LJDP20-64GCRBNA $404 months
BHPhotoUS LJDP20-64GCRBNA $4020 months
NeweggUS LJDP20-64GCRBNA $4119 months
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  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
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  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
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USB Flash Drive Rankings (Price vs Performance) May 2019 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 3 years ago.

Poor

23 months 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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