Five Premium CPU Coolers In Tests
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Diagram 9. Temperature readings (temperature of near-socket components)
Diagram 10. Efficiency/noise ratio
Summary
Table 1. Summary cooler statistics
| Cooler |
Thermal resistance,
°C/W |
Noise, dBA |
Efficiency-noise ratio |
Weight, g* |
Dimensions, WxLxH, mm |
Retention module |
| ASUS Royal Knight (500 RPM) |
0.37 |
21 |
6.38 |
765 |
131x140x138 |
LGA775
Socket 754/939/AM2 |
| ASUS Royal Knight (700 RPM) |
0.33 |
23 |
6.65 |
| ASUS Royal Knight (1000 RPM) |
0.27 |
27 |
6.78 |
| ASUS Royal Knight (1300 RPM) |
0.25 |
31 |
6.37 |
| Noctua NH-C12P (600 RPM) |
0.37 |
21 |
6.27 |
725 |
126x152x115 |
LGA775
Socket AM2 |
| Noctua NH-C12P (700 RPM) |
0.33 |
23 |
6.27 |
| Noctua NH-C12P (900 RPM) |
0.30 |
26 |
6.41 |
| Noctua NH-C12P (1300 RPM) |
0.26 |
32 |
6.01 |
| Noctua NH-C12P (Scythe Minebea, 1900 RPM) |
0.24 |
39 |
5.34 |
| Scythe Mugen 2 (500 RPM) |
0.37 |
20 |
6.70 |
870 |
130x100x158 |
Socket 478
LGA775
LGA1366
Socket 754/939/AM2 |
| Scythe Mugen 2 (700 RPM) |
0.29 |
23 |
7.58 |
| Scythe Mugen 2 (900 RPM) |
0.26 |
26 |
7.40 |
| Scythe Mugen 2 (1300 RPM) |
0.22 |
31 |
7.33 |
| Scythe Mugen 2 (1900 RPM) |
0.21 |
39 |
6.20 |
| Thermalright IFX-14 (Scythe Slip Stream, 500 RPM) |
0.35 |
20 |
7.08 |
765** |
146x124x161 |
LGA775
Socket AM2 |
| Thermalright IFX-14 (Scythe Slip Stream, 700 RPM) |
0.29 |
23 |
7.41 |
| Thermalright IFX-14 (Scythe Slip Stream, 900 RPM) |
0.25 |
26 |
7.80 |
| Thermalright IFX-14 (Scythe Slip Stream, 1300 RPM) |
0.22 |
31 |
7.33 |
| Thermalright IFX-14 (Scythe Slip Stream, 1900 RPM) |
0.19 |
38 |
6.81 |
| Thermaltake BigTyp 14Pro (500 RPM) |
0.43 |
23 |
5.10 |
800 |
156x155x128 |
LGA775
Socket 754/939/AM2 |
| Thermaltake BigTyp 14Pro (700 RPM) |
0.33 |
27 |
5.56 |
| Thermaltake BigTyp 14Pro (1100 RPM) |
0.25 |
32 |
6.33 |
| Thermaltake BigTyp 14Pro (1500 RPM) |
0.22 |
41 |
5.54 |
* Without a retention module
** Without a fan
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