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What is 'Cache' and 'FSB'?

 
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Jameson30



Joined: 14 Dec 2008
Posts: 3
Location: West Country, UK

PostPosted: Sun Feb 01, 2009 9:21 pm    Post subject: What is 'Cache' and 'FSB'? Reply with quote

Hello

In the next fortnight I will be buying a new 350-450 laptop but I am unsure of the terms 'Cache' and 'FSB' (frontsidebus?)

The various laptops I am looking at have a Caches of either 500kb, 1000kb, 2000kb, 3000kb or 400kb
while the FSB range from 533mhz - 800mhz

What is the standard for budget laptops?
What is the minimum I should go for?
How important is the choice?

Thanks for the advice.
Jameson
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Markb



Joined: 29 Nov 2007
Posts: 164
Location: UK

PostPosted: Mon Feb 02, 2009 11:34 am    Post subject: Reply with quote

You want to try for the highest you can afford in both. I would give priority to the FSB speed. The FSB is the clock speed that is used round the system to transmit data, the higher the number the faster data is passed around the system. The cache is a memory storage for data awaiting processing by the processor. The larger the cache the lower your latency will be in the system with the processor waiting to have data sent to it by the comparatively slow data bus.
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SoftStag



Joined: 05 Feb 2006
Posts: 2049
Location: UK

PostPosted: Tue Feb 03, 2009 4:13 pm    Post subject: Reply with quote

I have to agree with Markb. Although really it would be helpful to know what you intend to use the computer for. If you are just going to browse the internet and use MS Office, then really this kind of stuff is immaterial - you aren't going to max out these parts of a modern PC doing this. If you are gaming, graphics editing, etc then this decision is more important.
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