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How to solve 2018 MacBook Pro CPU throttling issue?

MacBook Pro 2018
Andy Makarevych

Apparently, the new MacBook Pro has throttling issues which Apple admitted. The company now issues a new fix to address this problem for 2018 MacBook Pro users. Read on to find the detailed update.

MacBook maker Apple has recently released a major fix for the host of the 2018 MacBook Pro. This fix now addresses the issue that caused the new MacBook Pros to excessively throttle when computing ‘system intensive tasks.’ There have been several reports of heating issues that led to throttled CPU performance of late. The tech giant took no time to release macOS High Sierra 10.13.6 Supplemental Update to fix this very issue on their latest MacBook Pro.

If you have not known, the latest MacBook Pro has launched a week ago. Unfortunately, early hands-on users reported that ‘heavy utilization’ of both CPU and GPU caused the 15-inch MacBook Pro’s Intel Core i9 processor to drop down clock speed severely. They reported this slow down has negatively impacted the laptop’s overall performance.

YouTuber Dave Lee first reported about the CPU throttling issues on the new MacBook. The YouTuber last week posted a video showing that the new 15-inch MacBook Pro ‘maxed-out’ with a six-core Intel Core i9 processor and was unable to tune into its base ‘2.9GHz clock speed’ while rendering a 5K video of five and a half minute in Adobe Premiere Pro.

Apple swiftly responded to the issue by citing that the excessive performance degradation under extended workloads is indeed a software bug in the latest 2018 MacBook Pro Laptops.

Subsequently, an Apple spokesperson in a statement to The Verge said, “Following extensive performance testing under numerous workloads, we’ve identified that 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.”

“A bug fix is included in today’s macOS High Sierra 10.13.6 Supplemental Update and is recommended. We apologize to any customer who has experienced less than optimal performance on their new systems. Customers can expect the new 15-inch MacBook Pro to be up to 70% faster, and the 13-inch MacBook Pro with Touch Bar to be up to 2X faster, as shown in the performance results on our website,” it adds.

Now, as of writing this post, various publications have already tested the macOS High Sierra 10.13.6 Supplemental update and reported that the throttling issue of the 2018 MacBook Pro has been resolved with this update. Dave Lee posted a few patch test results on Twitter and claimed that the performance was ‘much better.’ CNET in its report asserts that after updating, the CPU throttling in the Core i9 MacBook Pro halted and the clock frequency of the CPU and internal system temperature both remain relatively stable.

The 2018 MacBook Pro from Apple is one of the top choices of laptops as reviewed by CNET. The laptop scores better than the likes of Samsung Chrome Book, Dell XPS and Microsoft Surface Pro (2017). Well, we did expect this from Apple, and they have delivered it once again.

Andy Makarevych

I write about technology and everything mobile. Have news? Let me hear it! :-)

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