Average Bench: 48.8% (20th of 639)

Based on 389 user benchmarks.  Device: VID 05dc PID a212 Model: Lexar USB Flash Drive
Poor: 11%Average: 48.8% Great: 92%

Below average average bench

The Lexar JumpDrive P20 USB 3.0 64GB averaged 51.2% 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 145MB/s
Avg. Sequential Write Speed 99.2MB/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 4.73MB/s
Avg. 4K Random Write Speed 0.71MB/s
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Average Bench

(Based on 389 samples)
Min Avg Max
28.5 Read 155 285
17.3 Write 99.2 246
14.3 Mixed 74.5 167
16.8 SusWrite 145 267
154% 119 MB/s
Min Avg Max
2.05 4K Read 4.73 8.52
0.12 4K Write 0.71 1
0.19 4K Mixed 0.76 1.6
67.4% 2.06 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
28GB free, PID a212
Operating at USB 3.0 Speed
SusWrite @10s intervals: 105 171 171 170 169 148 MB/s
Read 210
Write 156
Mixed 115
SusWrite 156
206% 159 MB/s
4K Read 4.8
4K Write 1
4K Mixed 1.6
106% 2.47 MB/s
28GB free, PID a212
Operating at USB 2.1 Speed
SusWrite @10s intervals: 42 43 43 43 42 42 MB/s
Read 39.3
Write 41.4
Mixed 37.3
SusWrite 42.2
55% 40 MB/s
4K Read 3.7
4K Write 0.8
4K Mixed 1.3
85% 1.93 MB/s
389 MORE »

 Prices

Approx. $33 @ launch in Feb '15
AmazonUS LJDP20-64GCRBNA $4010 months
BHPhotoUS LJDP20-64GCRBNA $402 years
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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.

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How it works

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USB Flash Drive Rankings (Price vs Performance) November 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 4 years ago.

Excellent

1 month ago.

Superb


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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-9400F $148Nvidia GTX 1660S (Super) $234Crucial MX500 250GB $45
Intel Core i5-9600K $210Nvidia GTX 1660 $210Samsung 850 Evo 120GB $150
Intel Core i7-9700K $340Nvidia GTX 1660-Ti $260Samsung 860 Evo 250GB $49
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $75Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Ultra Fit 32GB $14
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