Is my mac 32 or 64 bit intel core i5

Go to the Apple logo and select "About this Mac. If it says Core 2 Duo, then it is 64bit ignore the 32bit kernel issue, it will run 64bit software just fine. Physically, if your MBP has a black keyboard, it is absolutely 64bit. The original MBPs had a silver keyboard and the 32bit units were all but replaced in early So if you purchased your model even in the later course of , then it is a Mac capable of running 64bit.

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Also, if you are running Lion, then you are 64bit as Lion does not run on 32bit Macs. Paul Lefebvre Paul Lefebvre 1 5. System Profiler isn't installed on my machine—or Spotlight can't find it—so this answer won't work for everyone.

What is your machine and OS? The name was changed to "System Information" a while ago it's in Utilities folder. I did find the System Information app. It would be good to update the answer for the benefit of others. Unfortunately, I couldn't find the "bit Kernel and Extensions" item in the Software section of the System Information app. I'm on v If you are using I have Mac OS X Run this on the command line: Cristian Ciupitu 4.

How to Determine if Mac is 64-bit or 32-bit

Greg Cain Greg Cain 1, 1 13 This is the best answer in my opinion. And a suggestion: Basically if you have anything newer than an MacBook you have a 64 bit processor and OS… Here is the cheat table. Nate Bird Nate Bird 1, 12 This does't tell the full story but it's a start.

That is true. The line is technically blurry because the kernel may only be running in 32 bit mode but everything else is 64 bit. According to another knowledge base article , MacBook Pro from early through mid support the bit kernel, but do not use it by default.

Another option is to use sysctl in a shell: What Is Bit Computing? This is why most people focus on the address space for a specific program rather than whether the hardware is "bit" or how much of it is "bit" It really doesn't matter until you get to a more specific question. The full output looks something like this: Darwin Macbook-Air.

Thu Aug 23 Sridhar-Sarnobat 7. Pav Pav 91 1 1. While this will work, there are several far simpler options that don't require a novice user to enter Terminal.

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Also this only gives you the arch of the kernel. On a Core2Duo a 64 bit CPU you still only run a 32bit kernel if the bootrom of that machine is not 64bit clean. Bruce says: February 13, at 2: Abhinav Kumar says: February 14, at Chris says: February 15, at 2: Randall Smock says: April 6, at 4: December 16, at 9: Bali driver says: January 5, at Sypou says: September 11, at Leave a Reply Click here to cancel reply.

Shop on Amazon. Subscribe to OSXDaily. Feb 13, 8: The Core 2 Duo line was intel's first consumer bit processors.

I think the Xeon commercial line when bit before the Core 2 Duo line. All the i5 and i7 intel processors are bit. Sep 18, 2: Oct 14, 1: More Less. Communities Contact Support. Sign in.

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