Scythe Ashura Review

Published by Hiwa Pouri on 20.02.14
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PWM Performance

Temperatures

  Idle Load
Noctua NH-U12S Dual Fan 33 °C 55 °C
Corsair H75 Single Fan 35 °C 55 °C
Prolimatech Lynx 34 °C 57 °C
Noctua NH-U12S Single Fan 36 °C 57 °C
Scythe Ashura 36 °C 58 °C
Alpenföhn Matterhorn Pure 35 °C 59 °C
Cooler Master Hyper 103 36 °C 60 °C
Intel Stock 39 °C 75 °C


At this point we plugged the fan(s) to the motherboard CPU fan header and let the motherboard take care of fan speeds. In other words the motherboard will adjust the fan speed via PWM signal according to CPU temperature. The idle temperature is the lowest temperature hit by the processor package after 10 minutes idle. The load temperature is the highest temperature hit by the processor package after one pass of wPrime v2.10. The wPrime test takes 4 minutes puts load on all 8 threads. Room temperature is 25°C.

Fan Speeds

  Idle Load
Noctua NH-U12S Dual Fan 380 rpm 687 rpm
Noctua NH-U12S Single Fan 450 rpm 740 rpm
Alpenföhn Matterhorn Pure 471 rpm 770 rpm
Scythe Ashura 436 rpm 550 rpm
Corsair H75 Single Fan 800 rpm 969 rpm
Prolimatech Lynx 765 rpm 1'077 rpm
Cooler Master Hyper 103 950 rpm 1'465 rpm
Intel Stock 1'230 rpm 1'630 rpm


Values are in RPM, we took the lowest speed hit by the fan(s) in idle and the highest under load.

Noise Levels

  Idle Load
Noctua NH-U12S Single Fan 32.0 dBA 32.0 dBA
Noctua NH-U12S Dual Fan 32.0 dBA 32.4 dBA
Alpenföhn Matterhorn Pure 32.0 dBA 32.7 dBA
Corsair H75 Single Fan 32.2 dBA 33.2 dBA
Scythe Ashura 32.0 dBA 33.4 dBA
Cooler Master Hyper 103 32.0 dBA 33.6 dBA
Prolimatech Lynx 33.3 dBA 33.9 dBA
Intel Stock 33.3 dBA 34.4 dBA


Decibel meter (Voltcraft SL-200) has been placed 1 meter away from the cooler. Measurements are conducted in a quiet room, where there are no other noise source. 32 dBA is the lowest we can get in our room. Also here the measurements are conducted at lowest and highest fan speeds in idle and under load respectively.



Page 1 - Presentation / Specifications
Page 2 - Photo Gallery
Page 3 - Installation & Test Setup
Page 4 - Absolute Performance
Page 5 - PWM Performance
Page 6 - Conclusion




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