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Old October 8th, 2003, 11:10 AM   Digg it!   #1 (permalink)
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Desktop vs Mobile Processors

I'm thinking of buying a laptop, however it has a desktop chip in it. Should I buy it? Does it make a significant difference whether it's a desktop or a mobile chip? I know that battery time and heating is affected. How much risk is there of a desktop chip in a laptop of overheating?

I'm thinking of buying the Sony GRT816S (previous model was GRT716S)

Thanks.
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Old October 8th, 2003, 11:29 AM     #2 (permalink)
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Sony (or Dell or Gateway, etc) wouldn't be able to sell them in the US if there was a serious risk of the computer over-heating. They wouldn't get a UL listing.

That said, the bottom of your notebook might get a bit too hot to keep on your lap after an hour of use... Of the two, I would say that the Mobile Pentium is more desireable for the Notebook environment, but a desktop P4 isn't going to set your house on fire....
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Old October 8th, 2003, 06:42 PM     #3 (permalink)
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Is a desktop CPU faster than it's Mobile equivalent?
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Old October 9th, 2003, 12:16 AM     #4 (permalink)
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Not necessarily, when comparing apples to apples. The P4 3.06GHz processor isn't necessarily any faster than it's P4-M counterpart. The only differences lie in the details. The P4-M's have built in power management features that the desktop chips may not have, and they usually run at lower voltages to keep power draw as minimum as possible. Mobile chips usually cost more to produce, however, and they pass the savings along to the customer (meaning Desktop CPU notebooks generally cost less than Mobile CPU ones). But, Intel's newest notebook creation is the Pentium-M class of chips, which run at a current top-speed of 1.70GHz (courtesy of Dell's line-up of notebooks). I have no experience with these particular chips, and I can't say how they fit in in respect to performance versus the P4 and P4-M chips, but maybe someone else can point you to some reviews.
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