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Is the p4 530j much better than the p4 478?

paul88

Junior Member
What is the diff between the p4 530j 3gig 800fsb 1meg VS the p4 478 3gig 800fsb 1meg? I have the 530j right now but it dont fit my MB so I dont know if I should get a better MB or return the 530j chip and order the 478 chip.

thanks
 
The "478" is a socket type.

The "530J" is a processor model number. Intel recently began using model numbers for all of their new processors.

Your 530J is an LGA775 socket processor. To use it, you will obviously need an LGA775 motherboard. Both processors are essentially the same, other than their sockets.
 
No on both. It's a 32bit chip.

If it's an E0 stepping of that particular chip, it may have the Execute Disable function, which can help protect against malware, but it doesn't have "virus protection" built in.

If you will read the Sspec code off of the chip, you can enter that at Intel's site and learn all about the chip. It is something like this: SL7VW or SL78J or SL82U, etc.

Sspec
 
Results

sSpec Number
sl7pu
Processor Frequency
3 GHz CPUID String
0F41H
Package Type
775 pin PLGA Core Voltage
1.287V-1.400V
Bus Speed
800 MHz Thermal Guideline
84.0W
Core Stepping
E0 Thermal Spec
67.7°C
L2 Cache Size
1 MB Manufacturing Technology
90 nm
L2 Cache Speed
3.00 GHz Bus/Core Ratio
15
Spec Update
http://developer.intel.com/des...ium4/documentation.htm
Product Order Codes

OEM Order Code
JM80547PG0801M

Notes

This is an Intel® Pentium® 4 processor 530.

These parts include Hyper-Threading Technology.

These Pentium® 4 processors on 90nm process in the 775-land LGA package support the 775_VR_CONFIG_04A (mainstream) specifications.

The boxed order code is BX80547PG3000EJ.


 
What board do you have now?

LGA775 is newer than S478, and it would leave you room to upgrade in the future. Socket 478 is going away soon. AGP is also, though probably not as fast.

Performance wise, the chips are the same, so that won't be a deciding factor.

If you go with an LGA775 socket board, you may have to use DDR2 and a PCI-E video card. I am not sure if there are LGA775 boards that support DDR and AGP. There could be, but if you are getting a new board then you might as well get the other new stuff on it. 😀

An LGA775 board with PCI-E slots would also leave you room for newer/faster video cards in the future.
 
Only AMD Athlon64's and Intel Nocona chips will run WinXP64.

You can find Nocona chips at Newegg. You will see that they support EM64T(EMT64?), which is Intel's term for 64 bit extensions allowing the use of a 64bit OS.

Intel will release desktop chips with 64bit support, but they haven't done so yet.

There are rumors that Intel can "enable" 64bit on the LGA775 processors, but that is just the wildest of rumors and I wouldn't buy based on that.

After all, they did not enable hyperthreading on the P4 chips that already had it built in, they made us buy new chips to get HT.
 
I think I will just get Athlon 64 3000 90nm 939pin. I was told its faster then the p4 3gig anyway, and it will run windows 64bit. Plus it will cost lot less.
 
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