TEST
YOUR USB

Samsung (ExtHD)

SSD 840 EVO 500G 500GB

▲ 502 ▼

Release date ≈ Q2 2015.

Average Bench: 118% (3rd of 639)

Based on 11 user benchmarks.  Device: VID 174c PID 55aa Model: Samsung SSD 840 EVO 500G
Poor: 34%Average: 118% Great: 179%

Outstanding average bench

The Samsung SSD 840 EVO 500G 500GB averaged 17.7% higher 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 34.1MB/s
Avg. 4K Random Write Speed 20.6MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SSD 840 EVO 500G 500GB is 144%. 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 149MB/s
Avg. Sustained Write Speed 88.5MB/s
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Average Bench

(Based on 11 samples)
Rank 3118%
Min Avg Max
31.8 Read 149 316
26.2 Write 127 328
24.2 Mixed 129 271
25.9 SusWrite 88.5 230
163% 123 MB/s
Min Avg Max
5.1 4K Read 16.2 24.8
6.66 4K Write 20.6 42.7
4.14 4K Mixed 14.2 24.5
1,244% 17 MB/s
Min Avg Max
4.8 DQ Read 21.5 33.5
15.5 DQ Write 34.1 62
7.7 DQ Mixed 17.4 29
1,832% 24.3 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
385GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 236 235 228 232 224 226 MB/s
171% Outstanding
Read 245
Write 195
Mixed 203
SusWrite 230
293% 218 MB/s
4K Read 23.9
4K Write 25.8
4K Mixed 24.5
1,800% 24.7 MB/s
DQ Read 25.9
DQ Write 29.3
DQ Mixed 26.9
2,008% 27.4 MB/s
190GB free, PID 55aa
Operating at USB 3.1 Speed
SusWrite @10s intervals: 124 104 125 119 127 127 MB/s
136% Outstanding
Read 212
Write 84.1
Mixed 178
SusWrite 121
189% 149 MB/s
4K Read 20.8
4K Write 24
4K Mixed 22
1,642% 22.3 MB/s
DQ Read 25.9
DQ Write 33.7
DQ Mixed 29
2,229% 29.5 MB/s
455GB free, PID 55aa
Operating at USB 2.1 Speed
SusWrite @10s intervals: 36 36 35 35 35 35 MB/s
62.3% Good
Read 36
Write 35.4
Mixed 24.2
SusWrite 35.1
44% 32.7 MB/s
4K Read 5.1
4K Write 15.7
4K Mixed 8.7
849% 9.83 MB/s
DQ Read 4.8
DQ Write 17.1
DQ Mixed 7.7
861% 9.87 MB/s
391GB free, PID 55aa
Operating at USB 2.1 Speed
SusWrite @10s intervals: 31 31 31 31 31 31 MB/s
61.3% Good
Read 37.2
Write 34.3
Mixed 35.8
SusWrite 30.6
47% 34.5 MB/s
4K Read 13.1
4K Write 15
4K Mixed 13.5
1,018% 13.9 MB/s
DQ Read 14
DQ Write 16.9
DQ Mixed 15.1
1,140% 15.3 MB/s
30GB free, PID 55aa
Operating at USB 2.1 Speed
SusWrite @10s intervals: 23 25 25 28 28 28 MB/s
34.4% Below average
Read 31.8
Write 28
Mixed 29.8
SusWrite 25.9
39% 28.9 MB/s
4K Read 7.2
4K Write 7.3
4K Mixed 7.4
527% 7.3 MB/s
142GB free, PID 55aa
Operating at USB 2.1 Speed
31% Below average
Read 33
Write 26.1
Mixed 28.4
36% 29.2 MB/s
4K Read 5.53
4K Write 6.26
4K Mixed 3.31
346% 5.03 MB/s
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