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Alpha AMD XP heatsink S-PAL8055F Review
Cooling/CPU Cooling by piotke @ 2004-06-12
ALPHA is back with an improved AMD XP heatsink, the S-PAL8055F, does bigger mean better? Does it stand a chance against the SP-97?s heatpipes? Time to find out!
Testing
Testing:
Three different 80mm fans were used:
Low noise/rpm:
SANYO 80mm 109P0812M701
Airflow: 20.13 CFM
Noise: 21 dBa
Nominal speed: 2000rpm
80x80x15mm
Medium noise/rpm:
Delta 80mm AFB0812SH
Airflow: 46 CFM
Noise: 40dBa
Nominal speed: 4000rpm
80x80x25mm
High noise/rpm:
Delta 80mm FFB0812EHE
Airflow: 80.16 CFM
Noise: 52.5 dBa
Nominal speed: 5700rpm
80x80x38mm
Room temperature: 25°C
No case used
Thermal paste: generic compound
At default Athlon XP speed and core voltage the new S-PAL trails by 4-5 °C. You have to keep in mind that the SP-97 is the best AXP heatsink around at the time of writing. So the performance of the new Alpha can hardly be called "bad", just not as good as the SP-97. :)
The Medium noise/speed fan was used in this test
In the second batch of test I raised the core voltage to 1.85 V, this increases the heat output from ~68W to ~75W. Since heatpipes’ efficiency increases further when the heat output rises we see the SP-97 pull away. The S-PAL keeps the CPU’s temperature under 50°C and will give the end-user some headroom for overclocking.
Onto the conclusion ->
Piotke's Test Setup | |
| CPU | AMD Athlon XP 2400+ |
| Mainboard | Asus A7N8X-E dlx |
| Cooling | - Alpha S-PAL8055F - Thermalright SP-97 |
Three different 80mm fans were used:
Low noise/rpm:
SANYO 80mm 109P0812M701
Medium noise/rpm:
Delta 80mm AFB0812SH
High noise/rpm:
Delta 80mm FFB0812EHE
At default Athlon XP speed and core voltage the new S-PAL trails by 4-5 °C. You have to keep in mind that the SP-97 is the best AXP heatsink around at the time of writing. So the performance of the new Alpha can hardly be called "bad", just not as good as the SP-97. :)
The Medium noise/speed fan was used in this test
In the second batch of test I raised the core voltage to 1.85 V, this increases the heat output from ~68W to ~75W. Since heatpipes’ efficiency increases further when the heat output rises we see the SP-97 pull away. The S-PAL keeps the CPU’s temperature under 50°C and will give the end-user some headroom for overclocking.
Onto the conclusion ->
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