Here we will guide you on buying on a laptop
The considerations for buying a laptop will differ from person to person .What maybe the best for one person may not be suitable for the other at all .We will cover the following in this section :

Type of Processor (Pentium iii , Pentium 4 , Via , Amd etc)


• Type of Processor (Pentium iii , Pentium 4 , Via , Amd etc) : One of the most important factors in deciding your laptop .The processor is the heart of your laptop .The right processor can make it a work horse of a slow machine . There are different brands of c.p.u that laptops come with namely : Intel, Amd athlon , Via c3 etc.The newer laptops come mostly with p-4 , p-4m , pentium –m , centrino , Dothan or Sonoma (laptops with this processor are yet to be launched ) processors .They are better in the ascending order i.e Dothan is better than centrino and so on But what is the difference ?? See the comparision chart

PROCESSOR

Used in

Additional details

Useful For

Core 2 duo latest laptop Has two cores inside the c.p.u  equivalent to having 2 c.p.u's inside the laptop 

L7000/T7000/U7000 series

Up to 800 MHz

2/4 mb cache

Highly energy efficient c.p.u
Duo Core latest laptop Has two cores inside the c.p.u  equivalent to having 2 c.p.u's inside the laptop 

T2000/L2000 series

533/667 MHz

2 mb cache

 
Solo Core latest laptop Single core cpu inside  

Sonoma

latest laptops

Light weight , longer battery life , has all features of Dothan , additionally it uses the 915 chipset hence supports ddr-2 ram and also pci express based graphic cards giving better graphic performance

High end graphic users , business power users , gamers etc.

Dothan

High Speed latest laptops with wi-fi *

Light weight , longer battery life , has all features of centrino and has double cache (2 mb cache) than  centrino

High end graphic users , business power users , gamers etc.

Centrino

High Speed latest laptops With wi-fi *

Light weight , longer battery life , Centrino is basically a combination of intel 855 chipset , wireless and and a Pentium-m processor

High end graphic users , business power users , gamers etc..

Intel Pentium M

High Speed latest laptops without wi-fi  *

Light weight , longer battery life , low power consuming than p-4 m

High end graphic users , business power users , gamers etc..(Only thing less than centrino is the wireless lan or wi-fi

Mobile Intel Pentium 4-M

Desktop-replacement, thin-and-light notebooks

Very fast but allows for only mediocre battery life when compared to the above ones

Useful for Students , home use , capable of playing games etc.

Intel Pentium 4

Desktop-replacement notebooks but very heavy laptops

A chip intended for desktops, the Intel P4 is very fast and is less expensive than Pentium 4-M and PM chips, but it runs very hot and allows only poor battery life.

An absolute replacement for desktops can perform like them  .Useful for Students , home use , capable of playing games etc

Mobile Intel Celeron

Budget notebooks

Extremely inexpensive, slightly slower than Intel Pentium chips . absolute value for money .Mobile Celeron can give you better battery life than Intel Pentium 4 desktop c.p.u and can at times feel equally powerful.

Useful for home use , students , and word processing and similar use

Mobile Intel Pentium III-M

Old notebooks

Less expensive than many other processors but not as powerful. Longer battery life allows for lower system weight

Useful for home use , students , and word processing and similar use

Apple PowerPC G4

Apple Power books

Performance and desktop-replacement notebooks Excellent performance and reasonable battery life but expensive, and clock speeds top out at 1ghz.

Mainly used for high end graphic designers .

Apple PowerPC G3

Apple ibooks

Budget notebook Long battery life and relatively inexpensive, but slower clock speeds limit performance, especially under OS X.

Mainly used for graphic designers .

AMD Athlon XP-M

Desktop replacement, thin-and-light notebooks

Very inexpensive, weaker performance than Celeron and Pentium chips.

Useful for home use , students , and word processing and similar use

Mobile AMD Athlon 4

Budget notebooks

Inexpensive but a bit slower than Intel Pentium chips,

Useful for home use , students , and word processing and similar use

AMD Athlon 64

Desktop replacement, mainstream notebooks

Supports 64-bit computing; slightly faster than Intel chips for gaming but slower with productivity and office apps.

 



* Wi-fi means wireless Local Area Network products based on IEEE 802.11 specification .Though please note that all the above laptops can be wi-fi enabled through optional accessories(pcmcia wi-fi card or usb wi-fi )

   


 
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