TEST
YOUR USB

Sony (Flash)

QD-G64 64GB

▲ 500 ▼

Release date ≈ Q1 2016.

Average Bench: 38.3% (48th of 639)

Based on 8 user benchmarks.  Device: VID 054c PID 087c Model: Sony QD-G64
Poor: 12%Average: 38.3% Great: 95%

Poor average bench

The Sony QD-G64 64GB averaged 61.7% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. Sustained Write Speed 184MB/s
Avg. 4K Random Mixed IO Speed 1.44MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Sony QD-G64 64GB is 83.5%. This is a particularly wide range which indicates that the Sony QD-G64 64GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 49.8MB/s
Avg. Sequential Write Speed 50.3MB/s
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Average Bench

(Based on 8 samples)
Rank 4838.3%
Min Avg Max
33.9 Read 125 254
15.8 Write 50.3 145
17.4 Mixed 49.8 109
139 SusWrite 184 230
135% 102 MB/s
Min Avg Max
7.18 4K Read 10.6 15
0.24 4K Write 1.1 1.8
0.42 4K Mixed 1.44 3
126% 4.38 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
25GB free, PID 087c
Operating at USB 3.0 Speed
SusWrite @10s intervals: 230 231 238 220 231 227 MB/s
95.4% Outstanding
Read 254
Write 145
Mixed 99.9
SusWrite 230
233% 182 MB/s
4K Read 15
4K Write 1.6
4K Mixed 3
212% 6.53 MB/s
55GB free, PID 087c
Operating at USB 3.0 Speed
SusWrite @10s intervals: 130 141 138 143 137 145 MB/s
75.5% Very good
Read 253
Write 105
Mixed 109
SusWrite 139
184% 151 MB/s
4K Read 13
4K Write 1.8
4K Mixed 2.8
205% 5.87 MB/s
27GB free, PID 087c
Operating at USB 3.0 Speed
40.4% Average
Read 170
Write 50.3
Mixed 63.8
99% 94.8 MB/s
4K Read 7.18
4K Write 0.99
4K Mixed 0.91
91% 3.02 MB/s
27GB free, PID 087c
Operating at USB 3.0 Speed
21% Poor
Read 68.3
Write 19.8
Mixed 29.3
41% 39.1 MB/s
4K Read 9.51
4K Write 1.47
4K Mixed 1.23
127% 4.07 MB/s
42GB free, PID 087c
Operating at USB 2.1 Speed
13.9% Very poor
Read 36.2
Write 16.3
Mixed 21.3
28% 24.6 MB/s
4K Read 8.79
4K Write 1
4K Mixed 0.42
81% 3.4 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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