How to tell if your Intel-based Mac has a 32-bit or 64-bit processor
Learn how to find out if you have a 32-bit or 64-bit Intel-based Mac.
This article has been archived and is no longer updated by Apple.
- Hold down the Option key and choose System Information or System Profiler from the Apple menu.
- Select the Hardware section of the window that appears.
- Locate the Processor Name.
- Compare your Processor Name to information below to determine whether your Mac has a 32-bit or 64-bit processor.
| Processor Name |
32- or 64-bit |
|---|
| Intel Core Solo |
32 bit |
| Intel Core Duo |
32 bit |
| Intel Core 2 Duo |
64 bit |
| Intel Quad-Core Xeon |
64 bit |
| Dual-Core Intel Xeon |
64 bit |
| Quad-Core Intel Xeon |
64 bit |
| Core i3 |
64 bit |
| Core i5 |
64 bit |
| Core i7 |
64 bit |
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