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Enzotech Ultra-X Heatsink Review
Enzotech Ultra-X Heatsink Review
  96%   
Abstract: We might as well get to the point in the first sentence of this review, the Enzotech Ultra-X performs really well on Intel and AMD processor platforms with its fan at full speed.

 Manufacturer  Category  Published  Author 
Enzotech   Cooling / Heatsinks   Feb 18, 2007   Max Page  

Home > Reviews > Page: Intel 775 Heatsink Temperature Comparisons

FrostyTech Mk.II Synthetic Thermal Heatsink Test Results
Intel Pentium D / Extreme Edition & Quad Core class heatsinks tested at 150W
Intel Core 2 Duo / Pentium 4 / Celeron class heatsinks tested at 85W

Results based on readings from a 30x30mm copper interface die with 150W and 85W heat loads applied on the LGA775 version of the Mk.II Test Platform. Temperature results listed for each heatsink were calculated by determining the rise over ambient temperatures at time of test. Information on Frostytech's test methodology is available here.
Socket 775 compatible CPU heatsinks
manufacturer: model no.: fan speed: 150w
thermal test* (°c)
85w
thermal test (°c)
noise level (dba)

Thermalright Ultra 120 17.8 10.6 53.7
Zalman CNPS9700 LED high 19.0 10.4

56.5

Enzotech Ultra-X high 20.0 8.5 59.1
Apack Zerotherm BTF90 21.8 12.7 52.1
Apack Zerotherm BTF80 22.8 13.9 51.9
Akasa AK-920 high 24.3 14.1 52.9
Thermalfly F1-IACSHA high 29.0 18.3 60.4
Zalman CNPS9500 AT 29.6 17.3 53.3
Alpha Novatech PRE9060M92P high 29.9 18.5 51.5
Enzotech Ultra-X low 30.0 15.5 40.1
Akasa AK-961 30.0 18.7

60.7

nPowertek NPH-775-1 30.1 18.8 50.1
Sunon Waturbo 30.6 18.3 57.5
Apack CF800 high 31.4 20.7 48.4
Thermaltake Jungle512 high 31.6 20.4 60.8
Xigmatek AIO-S80DP high 32.4 21.4 55.0
Zalman CNPS7700-Cu high 32.9 19.7 50.7
Apack CF900 high 32.9 20.3 48.3
Evercool PT02-9232CP 33.3 19.9 63.3
Zalman CNPS7700-Cu LED high 33.5 20.6 49.8
Intel Stock Pentium D high 33.8 20.7 47.5
nPowerTek SF775-2 high 34.7 21.1 64.6
Akasa AK-960E 36.1 21.4 56.3
Thermalfly I75DUH 37.8 22.8 48.7
Cooljag OAK-H high 38.5 22.9 55.7
Cooljag OAK-H2 high 38.6 24.1 55.6
Intel Stock Pentium D low 40.3 23.9 40.5
150w
thermal test (°c)
85w
thermal test (°c)
noise level (dba)
*heatsinks are ranked according to the 150w thermal test results column (rise over ambient temp.). low temperatures with low noise levels are considered best. for reference heatsinks with variable-speed fans, only the high speed (12v) fan test result is included in the comparison sheet; more detailed results reside in each specific heatsink review.

intel processors vary widely in heat output between single and multi-core processors, so we rely on two values which represent the upper limit of both existing cpu families to test thermal solutions. With a 150W heat load applied by the Intel LGA775 version of FrostyTech's synthetic thermal test platform, the Enzotech Ultra-X heatsink yields an excellent rise above ambient temperature of only 20°C, with 59.1dBA noise. That thermal test result immediately puts the Ultra-X heatsink in the top 10, with the likes of Thermalright's Ultra-120 and Zalman's CNPS9700-LED.

When fan speed is dropped down to 1200RPM, the temperature on the 150W test die rises to 30.0°C over ambient. Noise levels fall to a fairly quiet 40.1 dBA.

The Enzotech Ultra-X heatsink was also tested with an 85W heat load. In this situation at stock fan speeds, the heatsink maintains a fantastically low 8.5°C result over ambient temperature! When the fan is again dialed down to 1200RPM, the Ultra-X heatsink reacts in a predictable manner but CPU die temperature rises only to 15.5°C over ambient.

In both these cases, the Enzotech Ultra-X heatsink maintains the lowest temperature of any Intel LGA775 heatsink FrostyTech has tested on the 85W synthetic thermal test platform to date! When tested with a 150W heat load, the Ultra-X is firmly in the Top 10 heatsinks of both AMD and Intel classes. Enzotech and their large parent company have certainly produced a really winner here, the Ultra-X heatsink is one of the coolest running Intel and AMD compatible thermal solutions out there. Recommended.

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 Previous Page ° Heat Sink Review Index  

Table of Contents:

 1:  Enzotech Ultra-X Heatsink Review
 2:  360° View - Enzotech Ultra-X heatsink
 3:  Acoustic Comparisons and Base Surface Quality
 4:  AMD K8 Heatsink Temperature Comparisons
 5: — Intel 775 Heatsink Temperature Comparisons

List all Enzotech heat sinks that Frostytech tested?

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