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Old 06-01-2005, 01:07 AM   #1
Antz_Marchin
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Laptop processor question



I need to get a computer for school and need to ask about this before I buy one. I've heard that for laptops, something along the lines of a Celeron/Athlon 1.5-2.0 GHZ is better to get than a 3.X GHZ Pentium 4. Is thise true? What are the benefits of a celeron vs pentium? Lower battery consumption/better mobile processing?? I need advice. Thanks.
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Old 06-01-2005, 01:33 AM   #2
Bill Gates
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Celeron is NOT better than a P4 notebook. however, Centrino is better than P4 for notebooks.

for notebooks, look for a Pentium M Processor, not a P4. P4 was really designed for desktops, so won't get power savings like you would from a Pentium M.

Centrino is just a marketing term used by intel. to be labeled as Centrino, it must consist of 3 components. 1) Pentium M processor 2) Intel 855 chipset 3) Intel PRO/Wireless 2100 (IEEE 802.11b) or PRO/Wireless 2200 (IEEE 802.11bg).

Pentium-M 1.7 would be comparable to a P4 3.06.

For mobile computing, Centrino is the way to go. hope this helps.
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Old 06-01-2005, 02:00 AM   #3
Antz_Marchin
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sorry, yes....I meant centrino.......thanks for the help
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Old 06-01-2005, 08:06 AM   #4
Deep 3.2TL
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PM me and I'll give you my contact info - I can get you a decent price on a good notebook with Centrino.

Thanks,

Deep
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Old 06-01-2005, 10:54 AM   #5
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I got the same questions from my users.. they want Pentium 4 because they thought it's faster but anyways.. Here's what I got from dell.

Explaining the relatively lower GHz of Intel® Centrino(tm) Mobile Technology Increasing the clock frequency (GHz) is one way to speed up computer performance. But in a notebook computer, this can also mean higher power consumption and faster battery drain. To achieve the freedom of wireless mobility, Intel has optimized Intel® Centrino(tm) mobile technology to enable the best combination of processor speed and low power. The processor finishes tasks quickly, then automatically returns to a low power state during periods of inactivity. Users gain the flexibility to compute on the go without sacrificing the performance they demand.

Q. So how can Pentium M processors run slower and still deliver the same performance as Pentium 4 processors?

A. With 2MB of Level 2 Cache, more data is ready to be run through the processor - alleviating system bottleneck. As a result, Pentium M technology allows more tasks per clock cycle than traditional processors - allowing system to do more even though processor is spinning slower.
(Cache is memory right on the processor. It's temporary storage for frequently or recently accessed data)

Applying a 1.5 multiplier to a Pentium M processor frequency gives a ball park comparison figure of a mobile Pentium 4 processor frequency.
An example is Pentium M 1.6GHz x 1.5 multiplier = ~2.4GHz mobile Pentium 4*
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