How can I programmatically determine my processor type?

c# java vbscript processor

10,204

Solution 1

On Windows Systems you can get the environment variable PROCESSOR_ARCHITECTURE. Here is an MSDN article explaining the values that can be returned.

PROCESSOR_ARCHITECTURE=AMD64
PROCESSOR_ARCHITECTURE=IA64
PROCESSOR_ARCHITECTURE=x86

Solution 2

VBScript, checking the PROCESSOR_ARCHITECTURE environment variable:

Set oShell = CreateObject("WScript.Shell")
Set oEnv = oShell.Environment("System")
Select Case LCase(oEnv("PROCESSOR_ARCHITECTURE"))
  Case "x86"
    ' x86
  Case "amd64"
    ' amd64
  Case "ia64"
    ' ia64
  Case Else
    ' other
End Select

VBScript, using WMI:

Const PROCESSOR_ARCHITECTURE_X86  = 0
Const PROCESSOR_ARCHITECTURE_IA64 = 6
Const PROCESSOR_ARCHITECTURE_X64  = 9

strComputer = "."

Set oWMIService = GetObject("winmgmts:" & _
    "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colProcessors = oWMIService.ExecQuery("SELECT * FROM Win32_Processor")

For Each oProcessor In colProcessors
  Select Case oProcessor.Architecture
    Case PROCESSOR_ARCHITECTURE_X86
      ' x86
    Case PROCESSOR_ARCHITECTURE_X64
      ' x64
    Case PROCESSOR_ARCHITECTURE_IA64
      ' ia64
    Case Else
      ' other
  End Select
Next

10,204

Artem Shmatkov

Getting into Rust these days

Updated on April 19, 2022

Comments

Artem Shmatkov about 2 years

How can I determine programmatically whether my machine is an x86, x64 or an IA64?
- Admin almost 15 years
  
  You could open up the computer and look at the CPU. Are you looking for a code answer?
- Sean Bright almost 15 years
  
  Strange. The OP didn't mention C#, VBScript, or Java.
- msvcyc almost 15 years
  
  check this SO question -> stackoverflow.com/questions/824877/…
Admin almost 15 years

Not sure why this got marked down, type into a command line echo % PROCESSOR_ARCHITECTURE%
Artem Shmatkov almost 15 years

exactly what I was looking for!
galaktor over 14 years

Instead of getting "VendorIdentifier" you might want to get "ProcessorNameString" which contains the vendors common model name.
Ben Voigt almost 13 years

The MSDN article suggests that this tells you the OS architecture, not the processor type (you can have x86 OS on x86_64 processor).