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MORE TEST RESULTS
Thermals
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System Temperatures
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Test State
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Lenovo Q100
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Lenovo Q110
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CPU
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HDD
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CPU
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HDD
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GPU
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Idle
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44°C
|
36°C
|
53°C
|
37°C
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63°C
|
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CPU Load
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64°C
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40°C
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56°C
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38°C
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62°C
|
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CPU + GPU Load
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72°C
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42°C
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65°C
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40°C
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82°C
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Ambient temperature: 22°C.
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The fanless Q100 exhibited lower temperatures when idle, despite the fact that
the Q110 has a fan which is always on. The fan is fairly active, reacting to
any stress to the system almost immediately. The end result is 7~8°C lower
load CPU temperatures than the passively cooled Q100. The fan probably could've
been made to run slower though, as 60°C is a perfectly acceptable temperature
for an Atom processor.
Acoustics
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System Noise
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Test State
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@0.6m (VESA)
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@1m
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@0.6m
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Idle
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16~17 dBA
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18~19 dBA
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21~22 dBA
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x264 Playback
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22~23 dBA
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25~26 dBA
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30~31 dBA
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CPU Load
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25~26 dBA
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27 dBA
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32 dBA
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CPU + GPU Load
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30 dBA
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34 dBA
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39 dBA
|
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Measured at a diagonal angle to the vertically mounted
system at 1m and 0.6m. For the VESA mount, SPL was measured 0.6m directly
in front of monitor.
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The system generated anywhere between 18 and 34 dBA@1m in direct response to
the CPU temperature. The fan speed rarely stayed constant for more than 10~20
seconds at a time. The noise was soft and low when idling or doing simple tasks
like surfing the web, whether at 1m or 0.6m distance. As the fan sped up, it
generated a hissing type effect, but retained a smooth, broadband profile, and
a small degree of whine above 30 dBA@1m. x264 playback, which only results in
50% CPU utilization was enough to push the SPL to 25~26 dBA@1m, a level we don't
consider quiet. With full CPU and GPU load, it's unpleasant, especially at the
close distance one typically sits from a desktop PC.
Mounting the system behind a LCD monitor did not change its acoustic character,
but did lower the overall noise level a great deal, making the system quieter
at 0.6m than at 1m with the system out in the open. At 0.6m, the difference
was 5 dBA when idle, 8 dBA during x264 playback, and 9 dBA at full load. Subjectively,
it brought the noise produced down to a tolerable level. In idle and during
video playback, it was fairly benign and low enough to be unobtrusive.
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Q110 at full load @1m.
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Q110 at full load, VESA-mounted @0.6m.
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|
