TEST
YOUR USB

Samsung (ExtHD)

SSD 840 EVO 120GB

▲ 500 ▼

Release date ≈ Q3 2019.

Average Bench: 174% (1st of 639)

Based on 6 user benchmarks.  Device: VID 2109 PID 0715 Model: Samsung SSD 840 EVO
Poor: 141%Average: 174% Great: 289%

Outstanding average bench

The Samsung SSD 840 EVO 120GB averaged 73.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SSD 840 EVO 120GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 45.7MB/s
Avg. 4K Random Write Speed 35.9MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SSD 840 EVO 120GB is 149%. This is a particularly wide range which indicates that the Samsung SSD 840 EVO 120GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 247MB/s
Avg. Sustained Write Speed 101MB/s
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Average Bench

(Based on 6 samples)
Rank 1174%
Min Avg Max
198 Read 247 336
134 Write 227 348
186 Mixed 214 279
80.8 SusWrite 101 113
259% 197 MB/s
Min Avg Max
20 4K Read 23.4 33.6
25.2 4K Write 35.9 70
22.2 4K Mixed 26.7 40.4
2,216% 28.7 MB/s
Min Avg Max
23.6 DQ Read 27.1 36.9
34.9 DQ Write 45.7 87
23 DQ Mixed 30.7 46.4
2,700% 34.5 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
65GB free, PID 0715
SusWrite @10s intervals: 88 110 136 133 133 78 MB/s
163% Outstanding
Read 241
Write 203
Mixed 198
SusWrite 113
247% 189 MB/s
4K Read 23
4K Write 32
4K Mixed 25.2
2,031% 26.7 MB/s
DQ Read 26.5
DQ Write 39.4
DQ Mixed 29.9
2,455% 31.9 MB/s
52GB free, PID 0715
SusWrite @10s intervals: 136 152 104 127 101 50 MB/s
154% Outstanding
Read 222
Write 213
Mixed 206
SusWrite 112
250% 188 MB/s
4K Read 21.5
4K Write 30.1
4K Mixed 24.7
1,944% 25.4 MB/s
DQ Read 25.3
DQ Write 37.3
DQ Mixed 28.4
2,328% 30.3 MB/s
65GB free, PID 0715
SusWrite @10s intervals: 98 135 79 65 121 127 MB/s
152% Outstanding
Read 198
Write 134
Mixed 187
SusWrite 104
204% 156 MB/s
4K Read 21.7
4K Write 31
4K Mixed 25.3
1,995% 26 MB/s
DQ Read 26.6
DQ Write 39.4
DQ Mixed 29.7
2,449% 31.9 MB/s
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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
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