New MacBook Pro is getting too hot under heavy load

The new generation of MacBook Pro seems to have a thermal issue which was first brought to attention  by YouTuber Dave Lee who found out that the top-performing MacBook Pro can’t operate at full speed for a long time because it gets too hot.

He explained that a video export in Adobe Premiere Pro is taking longer on a brand new MacBook Pro with an Intel Core i9 CPU than on a 2017 MacBook Pro with an Intel Core i7 CPU which is from a  previous Intel generation.

Although the latest MacBook Pro does have an edge on the previous models, and even on many iMacs, but Apple is throttling the speed of the CPU so that it doesn’t get too hot under the heavy load.

Apple Insider tested the performance of the new MacBook Pro with a Core i7 and Core i9 model. In both instances, the clock speed of the CPU started to drop drastically after a while.

For the i9, the CPU dropped from 4.17 GHz to 2.33-2.9 GHz after some tests. The i7 dropped from 3.8 GHz to 2.3-2.6 GHz under load.
Some users on Reddit also got a new laptop and noticed the same issue:

On July 24, Apple released a software fix for the new 2018 Macbook Pros which addressed the thermal throttling issue. Apple said “there is a missing digital key in the firmware that impacts the thermal management system and could drive clock speeds down under heavy thermal loads on the new MacBook Pro”.

 

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