by R. K. Bloom

Comparison of coolers for Pentium4. Q3 `2003

Comparison of coolers for Pentium4. Q3 `2003

Entry

In contrast to the platform AMD SocketA, development and production of new coolers for Intel Pentium4 processors is going very slowly. But the scope to the market

several times more! But the thing is that, traditionally, with Intel processors were sold in a box, which had already been “boxed” cooler. In addition, the first model Pentium4 processors warming up very poorly, and some even continue to operate in the absence of the cooler (the nucleus Willamette). As a result, the effectiveness of “boxed” cooler was quite enough for work at the nominal speed and when overclocked.

But after a while, the working frequency is strongly increased (due to the peculiarities of architecture P4), increased cache L2, resulting in maximum heat output exceeded 80 Tues As for the barrier in the 100W, the first of its stepped overclockers, which increased operating frequency to 3.6Ggerts with a significant increase in voltage.

And after a while to figure 100W and have to get used to ordinary users, at least the first copies of the processors on the Prescott core will be approximately the level of heat. As a result of the choice of an effective cooler for high-end Intel processor is becoming increasingly important. So we decided to test the most popular models of coolers that are already sold in stores. The main question – how well they are able to cool the processor with a frequency 3.0Ggerts, and what they have “a margin of safety.”

Thermaltake Spark 2 and 3

Spark Series Cooler is mainly intended for OEMs. Equipment is extremely simple: a box, cooler, and hardware. Immediately it should be noted that all coolers Spark series are “plus” modification, which is a plastic mounting frame, like the one that is installed on the motherboard. In addition, the “plus” models have a different thermal interface (Shin Etsu X-23-7762).

The cooler itself is of traditional design: massive aluminum heat sink that is equipped with 70 mm fan. To mount the fan provides metal frame (pictured it in black).

Based on a layer of cooler thermal interface (to facilitate labor collector). And what would the transport layer that does not hurt, then wearing a plastic base

protective cover.

The processing quality of the base is far from perfect, but no major complaints arise. The fan has a speed of 4800RPM; with the air flow created = 30CFM, and the noise level = 41dBa (which is quite a lot).

As a result, Spark 2 is a relatively low-cost solution for OEM assemblers. Any advantages over the “old boxed” cooler, it does not have, and therefore

no interest. But the cooler Spark 3 looks more attractive.

At first glance, Spark 3 is an exact copy of Spark 2: the same appearance and packaging.

However, if you look at the bottom, youll find a fairly massive copper insert. The processing quality is very good reason, but not a mirror. In doing so it

visible scratches from the grinding mechanism.

As Spark2 this cooler has a pre-formed layer of thermal interface, which is protected by a plastic cap. In terms of properties of thermal interface is slightly inferior to paste KPT-8, and is called the “Dow Corning T340″. To use it, I do not recommend – after going to the “liquid phase”, he just sticks to the CPU heatsink. As a result, the cooler is removed along with the processor, pulling the last of the closed socket (often accompanied by a “crunch” :) .

Actually, this problem with many popular thermal interfaces. Therefore, you should have a knot in the memory – “how to remove stuck processor.” This is best done on a large, soft surface. Because, if the CPU fall onto a hard surface (according to the law of meanness – feet down), it can bend one or more legs. But if you remove the processor over the bed – it is better to put a newspaper. Because of Murphys Law – the processor will fall “paste down” :) .

In addition to copper insert, there is one difference: the Spark 3 installed a more efficient fan with a speed of 5500RPM. As a consequence of increased air flow, which = 33.8CFM, and increased noise levels – up to 45dBa.

As a result, the cooler Spark 3 is a pretty good cooler, the merits of which can be attributed to the insertion of a copper heat sink, and a disadvantage – high noise levels. It is worth noting that two coolers Spark and Spark 3 are for cooling the processors running at standard frequencies. But for overclockers, the company produced a cooler Thermaltake Spark 5, Spark Spark 6 and 7.