The brand new MacBook Air runs so sizzling that it impacts efficiency. It isn’t the primary time

The M2 MacBook Air's logic board. The M2 is the big chip in the center-left with the Apple logo printed on it.

Enlarge / The M2 MacBook Air’s logic board. The M2 is the large chip within the center-left with the Apple emblem printed on it. (credit score: iFixit)

In the event you learn iFixit’s teardowns, in-depth critiques, or comply with any tech YouTubers, you could have realized that the brand new M2-equipped MacBook Air is heatsink-less, along with being fanless.

Whereas not one thing each MacBook Air proprietor will discover, we ran some checks, and the M2 MacBook Professional was 30 p.c sooner than the very same M2 within the MacBook Air. Extra adventurous YouTubers have gone additional—the Max Tech channel put in skinny thermal pads on the MacBook Air’s M2 that considerably boosted the chip’s efficiency in each real-world and artificial benchmark checks, whereas decrease the chip’s most temperature from a toasty 108° Celsius to a less-toasty 97° Celsius.

Thermal pads, heatspreaders, and heatsinks all work the identical approach: they make shut contact with the processor and conduct warmth away from it. As that warmth is unfold over a bigger floor space, it turns into simpler to dissipate, making it simpler to maintain the processor cool. The M1 MacBook Air included a passive heatspreader (that’s, one with no fan) that carried out warmth away from the chip, whereas the M1 and M2 MacBook Execs use lively cooling programs that pull in cool air and eject sizzling air for much more efficient cooling.

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