Linux on ARMHacker friendly SBCs like the Raspberry Pi 3 and Odroid-C2 may have 64-bit CPUs, but for now their default Linux OSes remain at 32-bits. The arrival of the $35, wireless-enabled, Raspberry Pi 3, following a similarly 64-bit, $40 Odroid-C2 SBC a few weeks ago, represent a big speed boost for Linux hacker boards but not a sudden switch to 64-bit ARM computing. The default Linux distributions released by the Raspberry Pi Foundation and Hardkernel’s Odroid project are still 32-bit.

An eventual change to 64-bit ARM firmware is inevitable given the fact that the technology offers significantly improved performance. Pressure will also come from more power-efficient, 64-bit x86 chips. Yet, because of the extensive reworking of code required for the changeover, the Raspberry Pi Foundation will commit only to “considering” a change to 64-bit for the Pi’s default Raspbian distribution in the coming months.


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Linux on ARM