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Wednesday | September 19, 2018
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Thermalright Ultra 120 eXtreme & IFX-14

Thermalright Ultra 120 eXtreme & IFX-14

Test System Configuration:

• CPU: Core 2 Duo E6750 (Overclocked: 450MHz FSB, 1.45Vcore, 3.6GHz)
• Motherboard: Asus P5K3-Deluxe
• RAM: Kingston DDR3-1066
• HDD: Samsung 160JJ SATA2
• VGA: eVGA 7900GS
• PSU: Ultra X-Pro 750W

We decided to test the coolers by using the included silicone grease. We placed a layer on the CPU and left the system working in order for the thermal paste to stabilize for about 4 hours. The motherboard fan speed control was disabled. CPU load was achieved by running Prime95 torture test (blend) and Super Pi simultaneously for 30 minutes. The idle temperature measurements were noted after the system was resting at the windows desktop for 15 minutes. Ambient temperature is maintained (as accurately as possible) at 23 degrees Celsius at the time of the test. SpeedStep is disabled.

Fans used: Noiseblocker SX1 120mm (1200rpm) and Noiseblocker SX2 120mm (1900rpm)

Performance Testing

 

Idle Temp. (Celsius)

Load Temp. (Celsius)

Thermalright Ultra-120 eXtreme + NB SX1 fan

Stock Speed (2.66GHz)

34

42

Overclocked Speed
(3.6GHz, 1.45V)

39

51

Thermalright Ultra-120 eXtreme + NB SX2 fan

Stock Speed (2.66GHz)

33

39

Overclocked Speed
(3.6GHz, 1.45V)

35

46

Thermalright IFX-14 + NB SX1 fan

Stock Speed (2.66GHz)

33

40

Overclocked Speed
(3.6GHz, 1.45V)

37

49

Thermalright IFX-14 + NB SX2 fan

Stock Speed (2.66GHz)

31

38

Overclocked Speed
(3.6GHz, 1.45V)

34

44

NorthQ 3340WLA Extreme (Full fan speed)

Stock Speed (2.66GHz)

34

40

Overclocked Speed
(3.6GHz, 1.45V)

40

51

Akasa AK-965 (Full fan speed)

Stock Speed (2.66GHz)

34

45

Overclocked Speed
(3.6GHz, 1.45V)

44

60

ThermalRight SI-128 + Revoltec 1200RPM fan

Stock Speed (2.66GHz)

35

42

Overclocked Speed
(3.6GHz, 1.45V)

42

54

Asus Arctic Square (full fan speed)

Stock Speed (2.66GHz)

35

44

Overclocked Speed
(3.6GHz, 1.45V)

43

58

Stock E6750 Cooler

Stock Speed (2.66GHz)

48

62

Overclocked Speed
(3.6GHz, 1.45V)

As most enthusiasts would expect, the thermal performance of the Thermalright coolers places them at the top of the class. The Ultra-120 eXtreme offers a noticeable performance increase over the older but highly successful Thermalright SI-128 cooler and the performance continues to increase when the silent 1200rpm fan is replaced with a stronger 1900rpm fan (at the expense of more noise). The IFX-14 performs even better than the Ultra-120 eXtreme, but the performance difference between the two coolers was smaller than we actually thought. We may follow up this testing with an overclocked Quad Core processor (against water cooling systems) at a later date to place higher thermal dynamics on the coolers.

About Author

Stuart Davidson

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