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A Japanese web-site revealed some information about heat-dissipation of Intel Prescott processors due to come this November at $637 price-point. The chip will be extremely hot and hungry and in general this is a reason why it will not be compatible with the vast majority of i865 and i875P-based mainboards that were meant to be compliant with the Prescott.

Despite of the fact that the code-named Prescott will be made using 90nm fabrication process using Intel Strained Silicon technology, the babe will be very hot and will eat loads of electricity. According to this report, the Prescott 3.60GHz processor’s Thermal Design Power will be about 103W, 15% more from initial expectations of 89W. A version of Prescott processor for DTR notebooks will typically dissipate about 94W heat.

In order to meet such requirements Intel also had to increase the current for such CPUs, and that is an explanation why the most of current mainboards will not be able to work with Intel Prescott processors. For instance, the original Prescott 3.60GHz was intended to work with 78A IcccMax, whereas the real version will only be able to function with current increased to 91A.

The TDP of the Tejas processor manufactured using 90nm technology for Socket T platforms will be well above 100W; keeping in mind that Tejas is expected to achieve 4.0GHz milestone, we can conclude that massive cooling-solutions will be required for cooling-down such monsters.

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Comments currently: 10
Discussion started: 07/26/03 03:48:00 AM
Latest comment: 10/20/03 08:06:56 AM
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[1-7]

1. 
The processor that are coming new to the market from next year will be more than monsters to be precise as their demands for everything will be more than an average of 20-30% in every aspects of requirements. Though it is clear that their performance will increase significantly, I think it's time for us also to realise that these chip makers - Old Intel and everpromising AMD has started facing a lot of production problems. Problems goes beyond ordinary BIOS flashig to resolve or rectify. It is hi time they held on for proper production of their chips take place. It is very clear now that AMD for instance is facing the pin/socket problem an this is now giving the motherboard manufacturers a lot of problems in the production of compactable sockets. It means that the announcement bt Asus that one of their motherboards will be compactable with both Opteron as well as Athlon 64 is now void if AMD will stick to the new change. What I feel is going on here is that both companies have hints of each other's progress and they are doing all to make sure that all their various boosting will not become a strong points for journlists and analysists to use to any of their weakness make real jesting of whoever falls shorts of the benchmarks. Well, to dissipate the prescott heat of 100w is a matter of using an authentic cooling fan unlike the pentium II an III that will vartually use any standard cooling fan. Well this will make Intel and AMD equall in high heat genarating processors which will so become a major point of concern in this age of high level performing processors as well as the coolion fan manufacturers. My only point of concern is the notebook version that will be 94w. This will no doubt kill the most scared battery life of the notebook very speedly. I fell the centirion chip is good enough for notebooks now. The version of Prescott will mess up the purpose for making notebooks mobile. Intel should not compare themselves to AMD. AMD just cut up with the technologies mobile processors and they now have the technology of creating that form of balance between heat generation and significant performance.
[Posted by: Tunde Adeolu | Date: 07/26/03 03:48:00 AM]
+ expand thread (1 answer)

2. 
This is certainly a shock, but it does give some explanation for the fact tbhat current generation mobo's aren't Prescott compatible. I'm not concerned about he mobile version being so hot...sure it will take a big and heavy baqttery to power it...but that's what the Mobile Pentium 4 family has become, that is very high performing but very steep power/heat numbers. The Dathon .09um Banias based CPU should be a great CPU in both speed and heat.
[Posted by: Jake Reinhardt | Date: 07/26/03 11:14:21 AM]

3. 
Why do you say, "chip will be extremely hot and hungry and in general this is a reason why it will not be compatible with the vast majority of i865 and i875P-based mainboards that were meant to be compliant with the Prescott."?

What does power consumption have to do with it being incompatible with the 865/875P chipsets?

I don't see the direct corrolation.
[Posted by: bhame | Date: 07/26/03 05:26:42 PM]
+ expand thread (1 answer)

4. 
103 watts for the 1st iteration of Prescott (3.6GHz) Does anyone else think the power consumption figures for a desktop PC are getting just a little crazy? I was really hoping with the Prescott, that we might finally see a slight reversal of the higher and higher heat output trend and that we might see some slightly more powerful CPU's with maybe slightly less power output. Oh well, looks like it's not to be.
I think there should be a new standard developed, where PC components have to fall within certain specifications of power consumption and manufacturers would have to comply. Then power supplies, cooling solutions etc can be developed for these solutions knowing that they will be adequate for years to come. The ultimate would be if every year the power consumption limits were slightly lowered and new CPUs, GPU's etc had to come under these limits. CPU and GPU designers would be forced to get maximump processing power for the least power consumption, which they could achieve with manufactuing processes, processor designand not pushing the damn things to their limits. You could even use laptop type technology where parts of the CPU could be shutdown when not needed.
[Posted by: Tom Webb | Date: 07/27/03 01:28:58 PM]

5. 
103 watts for the 1st iteration of Prescott (3.6GHz) Does anyone else think the power consumption figures for a desktop PC are getting just a little crazy? I was really hoping with the Prescott, that we might finally see a slight reversal of the higher and higher heat output trend and that we might see some slightly more powerful CPU's with maybe slightly less power output. Oh well, looks like it's not to be.
I think there should be a new standard developed, where PC components have to fall within certain specifications of power consumption and manufacturers would have to comply. Then power supplies, cooling solutions etc can be developed for these solutions knowing that they will be adequate for years to come. The ultimate would be if every year the power consumption limits were slightly lowered and new CPUs, GPU's etc had to come under these limits. CPU and GPU designers would be forced to get maximump processing power for the least power consumption, which they could achieve with manufactuing processes, processor designand not pushing the damn things to their limits. You could even use laptop type technology where parts of the CPU could be shutdown when not needed.
[Posted by: Tom Webb | Date: 07/27/03 01:53:31 PM]

6. 
103 watts for the 1st iteration of Prescott (3.6GHz) Does anyone else think the power consumption figures for a desktop PC are getting just a little crazy? I was really hoping with the Prescott, that we might finally see a slight reversal of the higher and higher heat output trend and that we might see some slightly more powerful CPU's with maybe slightly less power output. Oh well, looks like it's not to be.
I think there should be a new standard developed, where PC components have to fall within certain specifications of power consumption and manufacturers would have to comply. Then power supplies, cooling solutions etc can be developed for these solutions knowing that they will be adequate for years to come. The ultimate would be if every year the power consumption limits were slightly lowered and new CPUs, GPU's etc had to come under these limits. CPU and GPU designers would be forced to get maximump processing power for the least power consumption, which they could achieve with manufactuing processes, processor designand not pushing the damn things to their limits. You could even use laptop type technology where parts of the CPU could be shutdown when not needed.
[Posted by: Tom Webb | Date: 07/27/03 03:18:01 PM]

7. 
I don't care how much heat or power a CPU requires, really;

as long as it can be cooled properly with little to no noise; that's all I ask.
[Posted by: bhame | Date: 07/28/03 11:46:34 AM]
+ expand thread (1 answer)

[1-7]

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