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Thermals
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System Temperatures
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Test State
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Lenovo Q100
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D945GSEJT + T1610
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CPU
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HDD
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CPU
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HDD
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Idle
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44°C
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36°C
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34°C
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39°C
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CPU Load
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64°C
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40°C
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64°C
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41°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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41°C
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Ambient temperature: 22°C.
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Compared to our Intel/Morex build, the Q100's Atom processor ran about 10°C
higher when idle, and 7°C warmer at full load — not enough to cause
concern. Given its slimmer profile, this was not too surprising. Hard drive temperatures
were similar. The outer casing does get noticeably warm to the touch.
Acoustics
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The Q100 measured an impressive 12 dBA@1m, just 1 dB above the noise floor.
The system was placed vertically on the included stand.
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The only real source of noise emanating from the Q100 was generated by the
Hitachi 5K500.B 160GB 5400rpm hard drive with which it shipped. The drive was
almost inaudible, making the Q100 the quietest HDD-based system we've heard, or tested
in our anechoic chamber. The system had no noticeable vibration and measured
12 dBA@1m and an astonishing 13 dBA @0.6m. The only thing that can make
it quieter is a solid state drive.
Audio Recordings
These recordings were made with a high resolution, lab quality, digital recording
system inside SPCR's own 11 dBA ambient anechoic chamber, then converted to
LAME 128kbps encoded MP3s. We've listened long and hard to ensure there is no
audible degradation from the original WAV files to these MP3s. They represent
a quick snapshot of what we heard during the review.
Each recording starts with ambient noise, then 10 second segments of product
at various states. For the most realistic results,
set the volume so that the starting ambient level is just barely audible, then
don't change the volume setting again while comparing all the sound files.
Comparable System sound files:
- Asus
Eee Box B202 at idle, 18 dBA@1m and 14 dBA@1m (behind LCD monitor)
-- The recording of the Eee Box was made with the unit at idle, and the microphone
1m away, first on a table in the hemi-anechoic chamber, and then mounted on
the back of an LCD monitor, and the microphone 1m away from the front of the
monitor. It starts with the room ambient, followed by the product's noise.
The acoustics of the Eee Box barely changes with load, which is why only idle
noise was recorded; there's virtually no audible difference at full load.
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