TEST
YOUR USB

Samsung (ExtHD)

SSD 840 EVO 500G 500GB

▲ 500 ▼

Release date ≈ Q2 2015.

Average Bench: 99.5% (5th of 639)

Based on 6 user benchmarks.  Device: VID 067b PID 2773 Model: Samsung SSD 840 EVO 500G
Poor: 37%Average: 99.5% Great: 160%

Excellent average bench

The Samsung SSD 840 EVO 500G 500GB averaged just 0.4% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SSD 840 EVO 500G 500GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 30.7MB/s
Avg. 4K-64Thread Mixed IO Speed 16.8MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SSD 840 EVO 500G 500GB is 123%. This is a particularly wide range which indicates that the Samsung SSD 840 EVO 500G 500GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 171MB/s
Avg. 4K Random Read Speed 12.1MB/s
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Average Bench

(Based on 6 samples)
Rank 599.5%
Min Avg Max
35.1 Read 171 237
29.2 Write 164 230
31.6 Mixed 164 226
88.4 SusWrite 118 178
208% 155 MB/s
Min Avg Max
3.8 4K Read 12.1 22.5
3.9 4K Write 13.5 23.2
3.9 4K Mixed 9.26 20.2
819% 11.6 MB/s
Min Avg Max
18.5 DQ Read 22.3 27
17.5 DQ Write 30.7 39.4
4.76 DQ Mixed 16.8 31.9
1,698% 23.3 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
25GB free, PID 2773
Operating at USB 3.0 Speed
160% Outstanding
Read 237
Write 230
Mixed 226
297% 231 MB/s
4K Read 17.8
4K Write 23.2
4K Mixed 13.5
1,312% 18.1 MB/s
DQ Read 21.4
DQ Write 35.3
DQ Mixed 13.6
1,743% 23.4 MB/s
132GB free, PID 2773
Operating at USB 3.0 Speed
150% Outstanding
Read 219
Write 220
Mixed 221
285% 220 MB/s
4K Read 17
4K Write 21.5
4K Mixed 9.03
1,100% 15.8 MB/s
DQ Read 18.5
DQ Write 17.5
DQ Mixed 4.76
824% 13.6 MB/s
248GB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 184 181 178 175 178 175 MB/s
136% Outstanding
Read 188
Write 169
Mixed 171
SusWrite 178
240% 177 MB/s
4K Read 22.5
4K Write 20.9
4K Mixed 20.2
1,481% 21.2 MB/s
DQ Read 27
DQ Write 39.4
DQ Mixed 31.9
2,525% 32.8 MB/s
446GB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 88 88 88 89 89 89 MB/s
58.2% Above average
Read 178
Write 169
Mixed 172
SusWrite 88.5
202% 152 MB/s
4K Read 3.9
4K Write 4
4K Mixed 3.9
283% 3.93 MB/s
446GB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 88 87 88 89 89 89 MB/s
57.1% Above average
Read 172
Write 166
Mixed 165
SusWrite 88.4
197% 148 MB/s
4K Read 3.8
4K Write 3.9
4K Mixed 3.9
279% 3.87 MB/s
9GB free, PID 2773
Operating at USB 2.1 Speed
36.5% Below average
Read 35.1
Write 29.2
Mixed 31.6
40% 32 MB/s
4K Read 7.56
4K Write 7.57
4K Mixed 5.04
457% 6.72 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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