Testing and Results
We measure the CPU temperature of our test rigs when the CPU is idle (Windows desktop) and under load (by running the smallfft test in Prime95). We use the freeware application CoreTemp to measure the temperature of the Intel CPUs, which reads the data from the DTS (digital thermal sensor) embedded in the core of every modern CPU. The DTS gives a far more accurate reading than any third-party temperature sensor, because its readings are not affected by sloppy BIOS programming or a poorly calibrated external health monitoring chip on the motherboard.
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Because we don't have a temperature control chamber, it's more accurate to measure and quote the delta T (difference) between the ambient and CPU temperature. This means HSFs (heatsinks and fans) that were tested on different days, when the ambient temperature may have varied, can be fairly compared to one another. You'll find the temperature results for the reference HSFs in the graphs. We normally compare the results of each cooler to the reference cooler.
- LGA1155 test system: Core i7-2600K overclocked to 4.1GHz using a vcore of 1.325V
The test rig is built inside a SilverStone PS03 midi-tower case and includes an Nvidia GeForce 9600 GT graphics card. The temperatures shown are the delta T between ambient and CPU temperature.
**We've tested the Freezer 11 LP in our standard tower test system to see how it compares to full-size coolers. We are in the process of obtaining a test system suitable for comparing low-profile coolers in a more typical environment. We'll add these results when we get them**
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Antec Kühler H2O 920 (Extreme Profile)
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Corsair H80 full speed
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Corsair H100 full speed
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Corsair H100 medium speed
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Corsair H80 medium speed
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Arctic Freezer i30
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Be Quiet Dark Rock Pro
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Corsair H100 low speed
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Corsair H80 low speed
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Be Quiet! Dark Rock Advanced
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Gelid GX-7
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Gelid Tranquillo Rev2
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Thermolab Trinity high speed
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Antec Kühler H2O 920 (Silent Profile)
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Thermolab Trinity low speed
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Titan Fenrir Siberia
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Arctic Freezer 11 LP
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Intel Reference Cooler
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Delta T (°C) (lower is better)
Head
over the page to see our performance analysis and scores.
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