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CoolJag JVC661A V-Type Pentium 4 Heatsink Review
CoolJag JVC661A V-Type Pentium 4 Heatsink Review
  84%   
Abstract: Aluminum extrusions have typically been the most popular option, but within the last year and a half skiving has come to market and been adopted widely.

 Company link  Category  Published  Author 
Cooljag   Cooling / Heatsinks   Jun 13, 2003   Max Page  
Home > Reviews > Page Title: Final Temperature Results

Synthetic Temperature Test Results: *Ranked according to 100W interface die test results.

FrostyTech Synthetic Temperature Test Platform Results
Mfg. Model Ambient Temp. 27mm large copper block 27mm large copper block Thermal pad No. Fans Fan Noise Clip force
50W 100W
Thermalright (high) SLK-900U 20.0 31.6 40.5 none 1 very loud easy
JMC 401100 19.5 35.1 47.4 grey 1 med easy
Zalman CNPS7000-Cu 21.0 35.1 48.7 none 1 low easy
Taisol CCP445172 20.2 37.7 50.9 none 1 med easy
AVC 117140 22.6 37.8 50.4 none 1 med med
Coolermaster IHC-H71 23.0 37.0 51.1 none 1 loud stiff
Arkua 8568 22.4 37.8 51.7 none 1 med med
JMC 400124 19.5 36.6 52.1 none 1 med-low easy
Thermal Integration (high) TI-V7035TN 20.2 38.3 52.9 none 1 very loud easy
Dynatron DC1206BMY 19.5 38.1 53.1 none 1 med easy
Dynatron DC1207BMX 20.9 38.1 53.3 none 1 med easy
NengTyi XPC5000 23.8 38.4 53.9 none 1 med loud
Alpha PAL8942 27.9 42.6 54.0 none 1 med med
CPUMate DIA-10500 22.8 39.3 55.5 none 1 med easy
CoolJag JVC661A 23.2 40.5 56.7 none 1 med easy
Zalman CNPS6500-AlCu 23.1 40.3 57.4 none 1 low easy
Glacialtech Igloo 3300 22.4 40.5 58.8 silver 1 low easy
Taisol CEP426151A 24.3 43.7 59.7 none 1 med easy
Intel Socket 478 22.4 41.8 59.8 carbon 1 low med
Arkua 838T-7G 23.3 42.0 60.0 none 1 med easy
Dynatron DC1207BMW 23.2 42.7 61.1 none 1 med easy
Titan TTC-MT3AB 22.8 41.5 61.2 none 2 loud stiff
Dynatron DC1206BM-S 22.4 43.2 62.0 none 1 med med
AVC 117160 22.4 42.7 62.2 white pad 1 med med
Eumax DW-45 22.6 44.0 62.7 none 1 med easy
Zalman CNPS5700D-Cu 25.7 44.6 64.0 none 1 med easy
Vantec CCK-7025 27.0 45.4 64.1 none 1 med med
JMC 400094 26.1 46.6 65.0 none 1 med easy
Globalwin VA476 28.7 49.5 68.0 grey 1 med easy
Dynatron DC1206BMV 23.1 45.1 68.2 none 1 low easy
Vantec GSN-7015 22.4 47.5 69.0 none 1 loud stiff
Arkua 848X-6B 27.2 54.5 80.4 none 1 low med
Dynatron DC1U-B02 20.9 53.8 88.3 none 1 loud stiff
50W 100W

For an all aluminum heatsink the Cooljag seems to be performing at about middle of the road for this list of reference heatsinks. Thermally we are seeing what looks like a slight advantage over the stock Intel heatsink, but we'll have to move forward and see the final rise above ambient results to know for certain.

Rise Above Ambient Temp. (c)
Mfg. Model 27mm large copper block 27mm large copper block

50W

100W

Thermalright (high) SLK-900U 11.6 20.5
Alpha PAL8942 14.7 26.1
Zalman CNPS7000-Cu 14.1 27.7
AVC 117140 15.2 27.8
JMC 401100 15.6 27.9
Coolermaster IHC-H71 14.0 28.1
Arkua 8568 15.4 29.3
NengTyi XPC5000 14.6 30.1
Taisol CCP445172 17.5 30.7
Dynatron DC1207BMX 17.2 32.4
JMC 400124 17.1 32.6
CPUMate DIA-10500 16.5 32.7
Thermal Integration (high) TI-V7035TN 18.1 32.7
Cooljag JVC661A 17.3 33.5
Dynatron DC1206BMY 18.6 33.6
Zalman CNPS6500-AlCu 17.2 34.3
Taisol CEP426151A 19.4 35.4
Arkua 838T-7G 18.7 36.7
Glacialtech Igloo 3300 18.1 37.1
Intel Socket 478 19.4 37.4
Dynatron DC1207BMW 19.5

37.9

Zalman CNPS5700D-Cu 18.9 38.3
Vantec CCK-7025 18.4 38.4
Titan TTC-MT3AB 18.7 38.4
JMC 400094 20.5 38.9
Globalwin VA476 20.8 39.3
Dynatron DC1206BM-S 20.8 39.6
AVC 117160 20.3 39.8
Eumax DW-45 21.4 40.1
Dynatron DC1206BMV 22.0 45.1
Vantec GSN-7105 25.1 46.6
Arkua 848X-6B 27.3 53.2
Dynatron DC1U-B02 32.9 67.4

50W

100W

In the final rise above ambient results the Cooljac JVC661A performs just about dead center in this list of reference heatsinks. The results are better than that of the stock Intel heatsink, but only by several degrees. Still, you have to give it to Cooljag for bringing a new technology to market which is competitive, and doesn't necessarily have to rely upon copper.. copper... copper.

Personally speaking, while I like to see copper heatsinks in my own machine, they do add weight and cost more than their aluminum counterparts. Aluminum makes for inexpensive heatsinks which I'm sure we can all agree is a good thing.

While CoolJag do not explain much of the reason behind their V-Type Skiving technology, we can easily assume a few points if we consider similar technologies already in use.

First off we have the triangular shaped base to consider. This feature is different from most heatsinks which have a flat base at the bottom of the fins. This area of the base of the heatsink also happens to be at the center of the heatsink which typically receives the least amount of airflow from the fan.

This is generally known as the 'dead spot' since the fan's motor is located directly above causing air in this space to stall. By angling the base upward in this region, I'd guess that the effect of the standing air will be lessened. Then we have the nifty 'V-Type' angled skived fins which should put more fin-material directly in the path of air flow which is at the highest velocity. Overall this leaves us with a pretty good aluminum cooler that doesn't produce all that much noise.

Related Articles:

Here are a few other articles that you might enjoy as well...

1. Vantec CCK-7015 1U Copper P4/Xeon Heatsink Review
2. Dynatron DC1206BM-V 1U Heatsink
3. JMC Phoenix 70 Radial Fin Heatsink
4. Arkua 848X-6B 1U Heatsink Review
5. Thermalright AX-7 Socket A heatsink



 Previous Page °
Heat Sink Review Index  

Table of Contents:

 1:  CoolJag JVC661A V-Type Pentium 4 Heatsink Review
 2:  Heatsink Thermal/Acoustic Test Parameters
 3:  Thermal And Acoustic Results
 4: — Final Temperature Results

List all Cooljag heat sinks that Frostytech tested?

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