In contrast, the higher-end variant with two fans was able to keep the temperature under 90☏, despite it packing an extra GPU core. Apple’s venerable all-in-one desktop Mac received its biggest update in years when the 24-inch version arrived in May 2021. With the MacBook Air, Mac mini, and MacBook Pros all receiving upgrades to the M2 platform, the 24-inch iMac was conspicuous by its absence. This will be noticeable when you're doing CPU or GPU-intensive tasks like video editing, rendering, or gaming on your Mac for a prolonged time.įrom the various in-depth tests conducted by Max Tech, the base model took a performance hit of roughly 8% under continuous usage, with GPU temperature reaching as high as 95☏. I freely admit that I was worried about the iMac at the start of this year. If the iMac's cooling system cannot keep the M1 chip's temperatures in check, it will clock its frequency down, resulting in a performance hit that's popularly known as thermal throttling. The lack of a second fan can indirectly affect the performance of your Mac. It also misses a heat pipe since Apple has opted for a regular heat sink to cut costs. An Australian company, Juicy Crumb, has come up with the retrofit kit that allows the owners of 27' iMac (from 2011 on) to replace the logic board, graphic card, and a few components with latest. Unlike the higher-end models that pack two fans for adequate airflow, the base model features a single fan. Apple 24' iMac with Retina 4. Of all the reasons, you wouldn't expect a fan to be the most significant one, right? Well, you'd be wrong.
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