TEST
YOUR USB

Samsung (ExtHD)

SSD 850 EVO 250G 250GB

▲ 500 ▼

Release date ≈ Q4 2015.

Average Bench: 55.1% (20th of 639)

Based on 46 user benchmarks.  Device: VID 152d PID 2338 Model: Samsung SSD 850 EVO 250G
Poor: 20%Average: 55.1% Great: 79%

Average average bench

The Samsung SSD 850 EVO 250G 250GB averaged 44.9% 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. 4K-64Thread Write Speed 18.6MB/s
Avg. 4K Random Write Speed 13.1MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung SSD 850 EVO 250G 250GB is 59.1%. This is a relatively wide range which indicates that the Samsung SSD 850 EVO 250G 250GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 34MB/s
Avg. Sequential Mixed IO Speed 33.5MB/s
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Average Bench

(Based on 46 samples)
Rank 2055.1%
Min Avg Max
4.7 Read 34 42.5
5.7 Write 34.4 42.5
0.96 Mixed 33.5 42.2
10.2 SusWrite 34.8 42.5
46.9% 34.2 MB/s
Min Avg Max
0.006 4K Read 9.6 15.4
0.005 4K Write 13.1 25.5
0.01 4K Mixed 9.65 17.7
811% 10.8 MB/s
Min Avg Max
0.32 DQ Read 12.8 16
8.45 DQ Write 18.6 24.9
0.001 DQ Mixed 12.5 18.5
1,103% 14.6 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
203GB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 40 40 40 40 40 40 MB/s
77.4% Very good
Read 39.5
Write 39.7
Mixed 39.3
SusWrite 39.6
54% 39.5 MB/s
4K Read 14.7
4K Write 19.4
4K Mixed 16.6
1,279% 16.9 MB/s
DQ Read 15.7
DQ Write 23.1
DQ Mixed 18.7
1,480% 19.2 MB/s
216GB free (System drive), PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 28 28 28 29 28 29 MB/s
60.2% Good
Read 34.6
Write 31.7
Mixed 33
SusWrite 28.2
43% 31.9 MB/s
4K Read 11.3
4K Write 15.1
4K Mixed 13.1
1,001% 13.2 MB/s
DQ Read 14.2
DQ Write 17.8
DQ Mixed 15.6
1,189% 15.9 MB/s
81GB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 37 36 39 36 38 38 MB/s
60.1% Good
Read 33.6
Write 33.5
Mixed 39.6
SusWrite 37.4
50% 36 MB/s
4K Read 10.6
4K Write 14.5
4K Mixed 12.8
968% 12.6 MB/s
DQ Read 13.4
DQ Write 19.9
DQ Mixed 15.7
1,261% 16.3 MB/s
177GB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 38 37 38 38 38 37 MB/s
57.1% Above average
Read 37.1
Write 38
Mixed 37.4
SusWrite 37.6
52% 37.5 MB/s
4K Read 17.8
4K Write 12.8
4K Mixed 15.6
1,032% 15.4 MB/s
DQ Read 14
DQ Write 18.8
DQ Mixed 15.9
1,232% 16.2 MB/s
177GB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 39 39 39 39 39 39 MB/s
56.5% Above average
Read 37.2
Write 37.3
Mixed 37.3
SusWrite 38.9
52% 37.7 MB/s
4K Read 18
4K Write 12.5
4K Mixed 15.6
1,022% 15.4 MB/s
DQ Read 13.9
DQ Write 18.4
DQ Mixed 15.7
1,211% 16 MB/s
67GB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 31 32 32 31 32 33 MB/s
33.1% Below average
Read 30.3
Write 32.6
Mixed 35.3
SusWrite 31.8
45% 32.5 MB/s
4K Read 6.5
4K Write 6.6
4K Mixed 7.1
490% 6.73 MB/s
78GB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 29 29 29 29 30 30 MB/s
31.7% Below average
Read 54.2
Write 28.8
Mixed 30.4
SusWrite 29.1
44% 35.6 MB/s
4K Read 19.3
4K Write 4.2
4K Mixed 11.7
612% 11.7 MB/s
221GB free (System drive), PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 28 28 29 26 27 25 MB/s
20% Very poor
Read 25.9
Write 25.9
Mixed 25.3
SusWrite 27.2
36% 26.1 MB/s
4K Read 3.3
4K Write 3.1
4K Mixed 3
220% 3.13 MB/s
46 MORE »
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Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
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