TEST
YOUR USB

Samsung (ExtHD)

SSD 850 250GB

▲ 500 ▼

Release date ≈ Q3 2015.

Average Bench: 138% (3rd of 639)

Based on 34 user benchmarks.  Device: VID 2537 PID 1066 Model: Samsung SSD 850
Poor: 30%Average: 138% Great: 223%

Outstanding average bench

The Samsung SSD 850 250GB averaged 38.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SSD 850 250GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 31.3MB/s
Avg. 4K Random Write Speed 20.7MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SSD 850 250GB is 193%. This is a particularly wide range which indicates that the Samsung SSD 850 250GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 207MB/s
Avg. 4K Random Read Speed 15.7MB/s
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Average Bench

(Based on 34 samples)
Rank 3138%
Min Avg Max
10.8 Read 207 382
13 Write 207 401
1.5 Mixed 196 377
12.4 SusWrite 131 311
249% 185 MB/s
Min Avg Max
1.3 4K Read 15.7 24.9
4.4 4K Write 20.7 39.6
2.5 4K Mixed 14.9 28.4
1,271% 17.1 MB/s
Min Avg Max
8.9 DQ Read 20.4 29.1
14.9 DQ Write 31.3 68.5
6.3 DQ Mixed 19 31.7
1,788% 23.6 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
171GB free (System drive), PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 349 306 303 302 305 304 MB/s
213% Outstanding
Read 321
Write 365
Mixed 327
SusWrite 311
457% 331 MB/s
4K Read 20.7
4K Write 30.6
4K Mixed 24.2
1,941% 25.2 MB/s
DQ Read 23
DQ Write 45.5
DQ Mixed 30.2
2,660% 32.9 MB/s
77GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 372 301 284 219 49 40 MB/s
186% Outstanding
Read 378
Write 401
Mixed 347
SusWrite 211
448% 334 MB/s
4K Read 24.2
4K Write 25.9
4K Mixed 25.3
1,831% 25.1 MB/s
DQ Read 25.8
DQ Write 26.3
DQ Mixed 25.8
1,868% 26 MB/s
128GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 276 285 276 207 123 65 MB/s
171% Outstanding
Read 334
Write 327
Mixed 312
SusWrite 205
395% 294 MB/s
4K Read 17.9
4K Write 24
4K Mixed 20
1,563% 20.6 MB/s
DQ Read 21.5
DQ Write 38.5
DQ Mixed 26.1
2,277% 28.7 MB/s
68GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 181 112 58 59 59 57 MB/s
108% Outstanding
Read 189
Write 186
Mixed 151
SusWrite 87.8
202% 153 MB/s
4K Read 14.9
4K Write 18.8
4K Mixed 16.4
1,252% 16.7 MB/s
DQ Read 23
DQ Write 27
DQ Mixed 24.2
1,827% 24.7 MB/s
232GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 179 183 197 206 202 218 MB/s
90.8% Outstanding
Read 162
Write 185
Mixed 162
SusWrite 197
246% 176 MB/s
4K Read 5.5
4K Write 7.5
4K Mixed 6.9
510% 6.63 MB/s
13GB free, PID 1066
Operating at USB 2.1 Speed
SusWrite @10s intervals: 42 42 42 42 42 42 MB/s
74.3% Very good
Read 40.1
Write 38.5
Mixed 41.3
SusWrite 42.3
56% 40.5 MB/s
4K Read 14
4K Write 18.2
4K Mixed 15.8
1,208% 16 MB/s
DQ Read 15.7
DQ Write 19.7
DQ Mixed 17.1
1,310% 17.5 MB/s
34 MORE »
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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The Best.
CPUGPUSSD
Intel Core i5-13600K $269Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
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