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Can I put a Celeron 2.5 in a Dell Dim 4500S?

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September 19, 2009 7:09:31 PM

I have a Dell Dimension 4500S with a Pentium 4 1.8. I have a Celeron 2.5 that seems to run much faster than the P4 in another system. Can I move the Celeron into the 4500S? (The other system maxes out at 1 GB RAM and has a 5400 RPM HD, whereas the 4500S maxes out at 2GB RAM and has a 7200 RPM HD.)
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September 19, 2009 10:45:43 PM

well need more than that kid, what socket?, what type of ram?

exact specs of both cpus + board if possible
September 19, 2009 10:53:19 PM

The 2.5Ghz Celeron ran on pocket PGA478, the same as the early Pentium 4's, so it should work properly. Run CPU-Z, go to the Mainboard tab, and see what sockets the motherboards run. If they're the same, then you can safely swap them.
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September 20, 2009 3:16:45 AM

Dell: P4 Northwood Socket 478 mPGA (this is all from the CPU tab)
Compaq: Celeron Northwood Socket 478 mPGA

I noticed towards the bottom there is a "multiplier". The Celeron multiplier is 25 whreeas the P4 is only 18. So, does this imply that the Celeron is indeed faster and it'n not something else?

The Dell can take DDR 400, 333, or 266. (Max 2GB)
The Compaq can only take DDR 266. (Max 1GB)

Will all DDR memory clock back to what ever the MB can handle? This stuff is expensive and I'm thinking I saw DDR 400 1gb cheaper than DDR 266.

The documentation denoted above says that the system can accept single or double sidded RAM. Is this related to "Low" and "High" density RAM? If I could buy HIGH I could get it cheaper I think.

The Dell is a small form factor tower.
The Compaq is a full Mini tower.

I cannot find the PSU rating of the Compaq unless I pull it. I have the Dell 4500S, and a Dell Dim T500 PSU as welll.

So, is there anyplace that I can feed in the different options to see which set of parts gives the best performance, or do I just keep switching and testing and ignoring my family - or find smart folks like you?
November 27, 2013 5:42:55 PM

I have a Dell 4500S 2gb ram and the stock 1.8 P4 processor with a 7200 200 GB HD. I purchased a 2.8 P4 Northwood for like 12 bucks on Ebay. After installing this CPU with thermal paste, the Bios and CPU-Z clock the cpu at 1.6 Ghz. No matter what tests I do, the CPU core speed stays right at 1.6. Anyone know why ?

CPU-Z lists the CPU as Northwood brand 8/ tech 0.13 um/ no core voltage listing/ Mobile Intel(R) Pentium(R) 4 CPU 2.80 Ghz/ core speed 1.6 Ghz/ multiplier x12/ bus sp 133 Mhz/ FSB 533 Mhz.

Any help would be greatly appreciated.
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