Test results / Introduction

Both the Celeron II and the FCPGA Coppermine CPUs are extremely popular among overclockers - reason enough to take a close look at cooling solutions for these CPUs. We tested a total of eleven heatsink/fan combos for Socket CPUs. All of these coolers will fit Intel PPGA Celeron, K6-X, and Thunderbird/Duron CPUs, while nine of them are also suitable for FCPGA (Coppermine and Celeron III) CPUs. At first, our intention was to include only FCPGA-compatible coolers in this comparison, but the overwhelming popularity of Global WIN's FDP32 and FEP32 heatsinks has led us to include these two FCPGA-incompatible models in the comparison.

All tests were done with a PPGA Celeron-533 CPU. This CPU was chosen because it is the most power-hungry Celeron CPU ever produced; it emits much more heat than the newer FCPGA CPUs, and therefore is more suitable for accurate performance measurements.  The temperature readings were obtained with the CPU's internal diode. The motherboard used was an ASUS P3B-F. All heatsinks were tested with high quality thermal compound. If a thermal pad was present on the heatsink, it was removed. To show how greatly thermal compound improves performance, we have additionally tested the boxed Intel heatsink with its preinstalled thermal pad.

With "slotket" configurations, large heatsinks often block one or more DIMM slots. Therefore we specify the height of the heatsink in the review, and for reference purposes, we specify how many DIMM slots the heatsink blocks on our ASUS P3B-F test motherboard.

Let's have a look at the test results first:

Test results

Heatsink 
    Temperature
Alpha (FC-)PAL6035
YS Tech fans
34.5
Alpha PEP66
YS Tech fans
34.5
Alpha (FC-) PAL6035
Sanyo Denki fans
35
Alpha PEP66
Sanyo Denki fans
35
Global WIN FKP32
36
Global WIN FDP32
36
Global WIN FEP32
37
Thermaltake Aircooler
("Golden ORB")
37
RDJD P710
41
Intel boxed
(w/ thermal compound)
42
RDJD P715 (1)
44
Intel boxed
(w/ thermal pad)
50

  CPU temperature
Motherboard temperature: 23, Ambient temperature: 19
All values in °C.

 
(1) The RDJD P715 has a temperature controlled fan. In the test setup, temperatures did not rise high enough to make the fan spin at maximum speed. Therefore, the obtained measurement does not represent maximum performance under more extreme conditions.

Alpha (FC-)PAL6035 with YS Tech Fans

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