TEST
YOUR USB

Samsung (ExtHD)

SSD 840 EVO 120G 120GB

▲ 500 ▼

Release date ≈ Q2 2014.

Average Bench: 117% (3rd of 639)

Based on 20 user benchmarks.  Device: VID 174c PID 5106 Model: Samsung SSD 840 EVO 120G
Poor: 51%Average: 117% Great: 155%

Outstanding average bench

The Samsung SSD 840 EVO 120G 120GB averaged 16.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SSD 840 EVO 120G 120GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 31MB/s
Avg. 4K Random Write Speed 21.3MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SSD 840 EVO 120G 120GB is 104%. This is a particularly wide range which indicates that the Samsung SSD 840 EVO 120G 120GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 164MB/s
Avg. Sustained Write Speed 88.4MB/s
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Average Bench

(Based on 20 samples)
Rank 3117%
Min Avg Max
20 Read 164 251
19 Write 143 239
22.7 Mixed 144 233
20.4 SusWrite 88.4 163
178% 135 MB/s
Min Avg Max
6.3 4K Read 16.7 22.2
7 4K Write 21.3 26
6.9 4K Mixed 16.6 22.7
1352% 18.2 MB/s
Min Avg Max
12.4 DQ Read 20.2 23.7
15.4 DQ Write 31 39.8
10.6 DQ Mixed 20.8 27.6
1,838% 24 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
67GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 237 150 146 146 146 146 MB/s
155% Outstanding
Read 241
Write 234
Mixed 222
SusWrite 162
288% 215 MB/s
4K Read 21.2
4K Write 26
4K Mixed 22.7
1,735% 23.3 MB/s
DQ Read 23.2
DQ Write 31
DQ Mixed 25.3
2,001% 26.5 MB/s
41GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 150 108 59 73 20 17 MB/s
127% Outstanding
Read 220
Write 186
Mixed 180
SusWrite 71
212% 164 MB/s
4K Read 19.6
4K Write 24.5
4K Mixed 21.4
1,634% 21.8 MB/s
DQ Read 23.5
DQ Write 35.3
DQ Mixed 27.2
2,213% 28.7 MB/s
110GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 115 117 112 102 97 98 MB/s
124% Outstanding
Read 216
Write 114
Mixed 146
SusWrite 107
183% 146 MB/s
4K Read 17.5
4K Write 21.1
4K Mixed 18.4
1,408% 19 MB/s
DQ Read 21.1
DQ Write 28.6
DQ Mixed 23.2
1,840% 24.3 MB/s
55GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 114 115 95 83 81 88 MB/s
119% Outstanding
Read 215
Write 111
Mixed 144
SusWrite 95.8
176% 141 MB/s
4K Read 17
4K Write 20.6
4K Mixed 18.4
1,390% 18.7 MB/s
DQ Read 21
DQ Write 28.2
DQ Mixed 23.2
1,826% 24.1 MB/s
62GB free (System drive), PID 5106
Operating at USB 2.1 Speed
SusWrite @10s intervals: 21 19 22 21 20 20 MB/s
31.4% Below average
Read 25.8
Write 23
Mixed 26
SusWrite 20.4
32% 23.8 MB/s
4K Read 7.4
4K Write 7
4K Mixed 6.9
500% 7.1 MB/s
20 MORE »
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