Is my processor 64-bit or 32-bit?

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Discussion Overview

The discussion revolves around determining whether a specific processor, the Intel P8600, is 32-bit or 64-bit. Participants explore various methods to verify the processor's capabilities, including system information, BIOS settings, and third-party software tools. The context includes both technical explanations and user experiences related to operating systems and processor specifications.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant notes that 'x86' in the XP System Information indicates a 32-bit processor, while the Intel website suggests the P8600 is 64-bit, leading to uncertainty about the actual capability.
  • Another participant mentions that most modern processors support 64-bit systems, but older XP processors may not, suggesting a method to check for 64-bit capability through the Windows Experience Index.
  • Suggestions are made to check the BIOS for 64-bit support and to use tools like Speccy or CPU-Z for further verification.
  • A participant expresses frustration at not finding relevant information in the suggested methods, indicating a lack of clarity in the CPU-Z output regarding 32-bit or 64-bit support.
  • One participant points out that if CPU-Z lists EM64T, it indicates support for Intel's 64-bit instruction set, and mentions that all Core 2 CPUs are believed to support 64-bit.
  • Another participant reiterates the point about EM64T in CPU-Z output and confirms that all Core 2 CPUs support 64-bit capabilities.
  • A link to Intel's specifications for a related processor is provided for further reference.

Areas of Agreement / Disagreement

Participants express varying levels of certainty regarding the methods to determine the processor's capabilities. Some methods are suggested, but there is no consensus on the effectiveness of these approaches or a definitive answer regarding the processor's status.

Contextual Notes

Participants mention limitations in the clarity of the information provided by tools like CPU-Z and the absence of certain features in the Windows operating system, which may affect the ability to determine the processor's capabilities accurately.

hotvette
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I read somewhere that if the processor description in XP System Information says 'x86' it's a 32-bit processor. But, the system control panel says P8600 processor and from the Intel processor website the P8600 appears to be a 64-bit. Do I have a 32-bit or 64-bit processor? I'm guessing I have a 64-bit processor running a 32-bit OS.
 

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Most processors today are made so that they can work with a 64 bit system. However some old xp processors may not have 64bit capability. You can check on your computer if you right click on my computer , click on properties, then click on windows experience index.

After that you should see under system if it has 64 bit capabilities. Since it will have an option that says 64 bit capable with the answer yes or no.
 
Check the processor info in the BIOS. It should say whether it supports 64-bit.

Another option would be to run Speccy or CPU-Z.
 
Wow, struck out on all suggestions so far.

1. Don't see anything called 'windows experience index' under properties of My Computer (see attached)

2. Can't find anything in BIOS info/settings indicating 32-bit or 64-bit

3. Installed CPU-Z but it isn't clear what's suppose to indicate 32-bit or 64-bit (see attached).
 

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If you look at the CPU-Z output, it lists EM64T as a supported instruction. That's what Intel used to call its 64-bit instruction set. Also, IIRC, all Core 2 CPUs support 64-bit.
 
jhae2.718 said:
If you look at the CPU-Z output, it lists EM64T as a supported instruction. That's what Intel used to call its 64-bit instruction set. Also, IIRC, all Core 2 CPUs support 64-bit.

Thanks!
 

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