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Test Results - Configuration #1 (IGP)
Case with test system installed (IGP). |
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System Measurements (IGP)
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System State
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Idle
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CPU + GPU Load
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Active Fans
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none
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none
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front & rear @12V
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SPL@1m
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18 dBA
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18 dBA
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19~20 dBA
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CPU Temp
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31°C
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63°C
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51°C
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SB Temp
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34°C
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49°C
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38°C
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HD Temp
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38°C
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42°C
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36°C
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System Power
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49W
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181W
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190W
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CPU fan set to 100% speed.
Ambient temperature: 22°C.
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Our test system running integrated graphics got quite toasty when placed on
load with none of the fans turned on. The CPU heated up to above 60°C, the
Southbridge almost hit 50°C and the hard drive stabilized at 42°C. The
system was very quiet, measuring only 18 dBA@1m. Running both the front and
rear fans at 12V improved the thermal situation dramatically with a more than
10°C temperature drop for both the CPU and Southbridge, while the hard drive,
with a fan blowing directly over it, cooled down by 6°C. Thankfully the
increase in noise was minimal, about 1~2 dBA, and the ticking we observed earlier
from the stock fans was less noticeable when combined with noise generate by
the CPU and power supply fan. It was undetectable at even a half meter away.
The system measured 19~20 dBA@1m with the HD 4870 configuration. |
Comparisons
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IGP Configuration Comparison (Load)
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Case
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Define R2
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Antec P183*
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Antec Sonata Elite*
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Active Fans
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front & rear @12V
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rear @low
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rear @low
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SPL@1m
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19~20 dBA
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19~20 dBA
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20 dBA
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CPU Temp
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51°C
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50°C
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55°C
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SB Temp
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38°C
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38°C
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37°C
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HD Temp
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34°C
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37°C
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30°C
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*CPU fan set to 9V rather than 12V.
Ambient temperature: 22°C (results adjusted accordingly)
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Compared to the Antec P183 and Sonata
Elite, two known quiet cases, the Define R2 holds its ground. It gave
us temperatures comparable to the P183 at an equivalent noise level, holding
a small advantage over the Sonata Elite in CPU temperature as well as noise.
It should be noted that the two Antec cases were tested with the CPU fan at
9V rather than 12V, which in our experience typically results in a 3~4°C
increase in CPU temperature and about half a dBA less noise at the 20 dBA level.
Also, both Antec cases were tested with a single fan in the rear exhaust position,
a 120 mm Antec TriCool fan, which, even at low speed, is louder but more effective
in cooling than a pair of Fractal 120 mm fans.
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