The ARM MacBook that will (never?) come

Apple Inc. is designing a new chip for future Mac laptops that would take on more of the functionality currently handled by Intel Corp. processors, according to people familiar with the matter.

The new report comes from Bloomberg, and there we can find  (not much) information about the codenamed T310, an ARM chip that would be the next Apple’s step on that theoretical path to abandon Intel chips some day.

The T310 could be used to enable a new low-power mode on Apple’s MacBooks, but it’s not exactly clear if the chip will in fact replace the Intel chip on every front in that scenario, or will limit itself to certain low-power tasks. Apple has already integrated a T1 ARM chip to manage the Touch Bar, and the new one could be use for a “Power Nap” mode that:

allows Mac laptops to retrieve e-mails, install software updates, and synchronize calendar appointments with the display shut and not in use

This is interesting in its own right, and would mean that that ARM chip is indeed capable of running macOS apps that (again, this is relevant) are theoretically coded on an x86 instruction code, not an ARM one. I wonder if there is some kind of emulation here, or those apps have two binaries to run in either processor when needed.

Both scenarios are interesting, and could lead to that future in which the ARM MacBook will, indeed, come. It seems that will take more time than we thought it would, though.

Source: Apple Said to Work on Mac Chip That Would Lessen Intel Role – Bloomberg

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