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Processor Advise? Jamie 04-12-2006
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Posted by Jamie on April 12, 2006, 12:58 pm
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 Hi there

Could anyone tell me the difference between these processors.(in laptops)

Intel Pentium 4 650 processor running at 3.4ghz
and a
Intel Pentium M 780 running at 2.26ghz

Whats the actual difference in speed/power.
Battery life.

Thanks in advance

Jamie



Posted by Barry Watzman on April 12, 2006, 1:51 pm
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 The Pentium 4 is a desktop CPU.

The Pentium M is both faster and uses less power.

The numbers (650/780) are relative performance ratings.

Jamie wrote:

> Hi there
>
> Could anyone tell me the difference between these processors.(in laptops)
>
> Intel Pentium 4 650 processor running at 3.4ghz
> and a
> Intel Pentium M 780 running at 2.26ghz
>
> Whats the actual difference in speed/power.
> Battery life.
>
> Thanks in advance
>
> Jamie
>
>

Posted by Ian Singer on April 12, 2006, 3:11 pm
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Barry Watzman wrote:
> The Pentium 4 is a desktop CPU.
>
> The Pentium M is both faster and uses less power.
>

But there is a Mobile Pentium 4 and a Pentium 4 M and they are not the
same. The second one is part of Centrino chip set and uses less power.

Ian Singer
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Posted by Quaoar on April 12, 2006, 9:32 pm
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Ian Singer wrote:
>
>
> Barry Watzman wrote:
>> The Pentium 4 is a desktop CPU.
>>
>> The Pentium M is both faster and uses less power.
>>
>
> But there is a Mobile Pentium 4 and a Pentium 4 M and they are not the
> same. The second one is part of Centrino chip set and uses less power.
>
> Ian Singer

OK, AFIK there is no Pentium 4 M; it is a Pentium M (or Centrino if it
has the Centrino package) and the specs you quoted refer to that chip.
The Mobile Pentium 4 is a lower-voltage version of the Pentium 4 desktop
chip.

Barry is entirely correct.

Q

Posted by J. Clarke on April 15, 2006, 5:19 am
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Ian Singer wrote:

>
>
> Barry Watzman wrote:
>> The Pentium 4 is a desktop CPU.
>>
>> The Pentium M is both faster and uses less power.
>>
>
> But there is a Mobile Pentium 4 and a Pentium 4 M and they are not the
> same. The second one is part of Centrino chip set and uses less power.

No. The Pentium M, which is not a Pentium 4 in any sense, is the one that
is required in machines that are sold using the Intel Centrino brand.

--
--John
to email, dial "usenet" and validate
(was jclarke at eye bee em dot net)

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