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Story summary
- Apple renamed its CPU cores; 'performance' cores on the M5 Pro and M5 Max are now called 'super' cores, retroactively for the original M5.
- The macOS Tahoe 26.3.1 update implements this naming shift in System Information and Activity Monitor.
- The change is only a rebranding; users should not expect performance changes.
- New MacBook Airs and MacBook Pros with M5 chips will feature the updated names from the start.
