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At least some of the speculation surrounding the limitation of the current MacBook Pro to a high CPU load is now resolved. Apple has just released a statement stating that this behavior is an error. As we already suspected, this can be eliminated by a software update. The statement states that it lacked a digital key in the firmware, which had a direct impact on the thermal management of the system. As soon as the CPU temperature increased significantly, clock rates also dropped significantly and performance dropped. Apple apologizes to all customers who have suffered unsatisfactory performance on their new 2018 devices.
Apple has not only responded, but has also released directly a software update . This updates macOS High Sierra 10.13.6 and is declared "Additional Update". The system number remains at 10.13.6, but the patch contains important improvements. According to the description, the error that leads to the loss of power described on a MacBook Pro with eighth generation Intel processors should be corrected. The update is available via the software update in the Mac App Store, it is only visible on the Macs concerned.
First comments on the update
Already after a short period of time: Several users report the installed update and then immediately do evaluation tests. These showed no more anomalies. Apparently, the problem really had to be removed by patch. In the update description Apple is talking about all 2018er models with touch bar, which also includes the model with 13 ". This first has four processor cores, whose rhythm could also break after a few seconds. which brings a complete update combo is 17G2208.
For the launch of the new MacBook Pro (Store 🙂 Apple had promised a mbadive growth in performance through switching to six processors, a 70 percent depending on the product page, however, remained in most tests In some cases, the six-core processor was running slower than the predecessor with four processor cores, the same goes for the MacBook Pro 13 "QuadCore, which is also slower than A DualCore.
Update: First benchmarks after the update
Some users have already The first returns indicate that Apple has solved the problem well. A benchmark using Cinebench provides the expected 1000 points on a 15 "MacBook Pro with an i9 chip
As can be seen in the screenshot, the temperature during the reference test increases significantly, but the processor calculates almost without the update, a temporary reboot at only 800 MHz would have occurred after a short time.
Update 2: also problems of the model 13 "fixed
The update also fixes the 13 "model problems, which have also been noticed in many tests by aggressively running the processor stopped. According to the users also with this model the problem was canceled by the update:
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