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Upgrading CPU !

By sa3dos
Feb 25, 2006
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  1. Hello all,

    I have ASUS P4B motherboard and it says that it supports Up to 400MHz system bus, what will happen if I install a 533MHz CPU on it? What are the disadvantages?

    Will I see a noticable difference in speed and performance when I switch from P4 - 1.6GHz to 2.4GHz ?

    Does a larger L2 Cache size means faster performance ? for example; 256kb and 1mb ?
  2. blue_dragon

    blue_dragon TS Rookie Posts: 278

    Before you consider all of this you should consider the sockets of the mobo and the cpu
  3. sa3dos

    sa3dos TS Rookie Topic Starter

    478 Socket's, that is being taken into consideration.
  4. vnf4ultra

    vnf4ultra TechSpot Paladin Posts: 2,195

    If the pc would boot with a 2.4ghz cpu with a 533fsb, then it likely would underclock it to using a 400fsb, which would make the 2.4 run at only 1.8ghz. More cache is better, and does affect performance somewhat.
  5. CMH

    CMH TechSpot Chancellor Posts: 2,573   +9

    Just wanna mention a 2.4C 478pin is super for OC :D

    But that chip uses an 800mhz bus.

    See if you can get a faster mobo.
  6. sa3dos

    sa3dos TS Rookie Topic Starter

    I just found an auction on eBay..

    Intel Pentium 4 2.4 Ghz CPU + Heat Sink NEW (SL67R)

    -Spec.:
    2.4 GHz
    400MHz FSB!!!
    512KB L2 Cache Northwood
    (Socket 478) form factor
    Featuring the Intel NetBurst microarchitecture
    Compatible with existing Intel® Architecture-based software
    Streaming SIMD Extensions 2 (SSE2) Instructions
    Intel® MMX™ media enhancement technology
    Integrated caches include 12-K micro-op trace cache and 8-KB L1 data cache in addition to L2 cache memory
    4GB address range.
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