M5 chips now have three types of core – what does this actually mean?<div class="feat-image">

</div><p>Prior to yesterday’s launch of the <a href="
https://9to5mac.com/2026/03/03/apple-touts-fusion-architecture-for-m5-pro-and-m5-max-chips-with-super-cores/" target="_blank" rel="noreferrer noopener">new M5 Pro and M5 Max chips[/url], Apple Silicon chips had two types of core: efficiency and performance.</p>
<p>The M5 chips now have three types of core, with a complication caused by the renaming of one of them. Here’s what’s going on … </p>
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M5 chips now have three types of core – what does this actually mean?