Average Bench: 88.2% (5th of 639)

Based on 7 user benchmarks.  Device: VID 152d PID 0539 Model: Samsung SSD 850 EVO 250G
Poor: 34%Average: 88.2% Great: 111%

Very good average bench

The Samsung SSD 850 EVO 250G 250GB averaged just 11.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SSD 850 EVO 250G 250GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 26.5MB/s
Avg. 4K Random Write Speed 19.3MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Samsung SSD 850 EVO 250G 250GB is 76.8%. This is a particularly wide range which indicates that the Samsung SSD 850 EVO 250G 250GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 84.3MB/s
Avg. Sustained Write Speed 44.3MB/s
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Average Bench

(Based on 7 samples)
Min Avg Max
31.8 Read 84.3 130
23.7 Write 88.4 124
27.7 Mixed 85.8 125
1 SusWrite 44.3 93
102% 75.7 MB/s
Min Avg Max
7.5 4K Read 14 18
7.5 4K Write 19.3 25.8
7.5 4K Mixed 13.6 19.8
1,172% 15.6 MB/s
Min Avg Max
13 DQ Read 17 19.8
17.8 DQ Write 26.5 32.1
7.94 DQ Mixed 15.7 22.3
1,499% 19.7 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
52GB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 63 63 63 63 63 63 MB/s
Read 104
Write 124
Mixed 114
SusWrite 62.9
138% 101 MB/s
4K Read 16.2
4K Write 25.4
4K Mixed 19.7
1,594% 20.4 MB/s
DQ Read 17.5
DQ Write 30.6
DQ Mixed 22
1,854% 23.4 MB/s
233GB free, PID 0539
Operating at USB 3.0 Speed
Read 106
Write 108
Mixed 104
137% 106 MB/s
4K Read 15.5
4K Write 21.9
4K Mixed 12.5
1,228% 16.6 MB/s
DQ Read 18.7
DQ Write 29.9
DQ Mixed 12.5
1,513% 20.4 MB/s
106GB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 93 92 93 94 93 94 MB/s
Read 91.5
Write 100
Mixed 95.4
SusWrite 93
131% 95 MB/s
4K Read 15.6
4K Write 21.8
4K Mixed 18.5
1,429% 18.6 MB/s
DQ Read 19.8
DQ Write 29.7
DQ Mixed 20.2
1,771% 23.2 MB/s
101GB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 0.4 0.1 0.4 0.2 0 5.1 MB/s
Read 130
Write 124
Mixed 125
SusWrite 1
122% 95.1 MB/s
4K Read 18
4K Write 25.8
4K Mixed 19.8
1,618% 21.2 MB/s
DQ Read 19
DQ Write 32.1
DQ Mixed 22.3
1,921% 24.5 MB/s
233GB free, PID 0539
Operating at USB 3.0 Speed
Read 87.8
Write 97.6
Mixed 94.1
122% 93.2 MB/s
4K Read 12.8
4K Write 14.2
4K Mixed 7.92
799% 11.6 MB/s
DQ Read 13.8
DQ Write 17.8
DQ Mixed 7.94
927% 13.2 MB/s
233GB free, PID 0539
Operating at USB 2.0 Speed
Read 38.8
Write 41
Mixed 40.1
52% 40 MB/s
4K Read 12.3
4K Write 18.8
4K Mixed 9.25
1,001% 13.5 MB/s
DQ Read 13
DQ Write 19
DQ Mixed 9.25
1,010% 13.8 MB/s
5GB free, PID 0539
Operating at USB 2.1 Speed
SusWrite @10s intervals: 20 20 21 21 20 18 MB/s
Read 31.8
Write 23.7
Mixed 27.7
SusWrite 20.2
34% 25.8 MB/s
4K Read 7.5
4K Write 7.5
4K Mixed 7.5
538% 7.5 MB/s
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USB Flash Drive Rankings (Price vs Performance) May 2024 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.

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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 i5-13600K $254Nvidia RTX 4060 $300Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $175Nvidia RTX 4070 $550Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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