A dual-fan M1 iMac is significantly better than a single-fan base model

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Last month, Cupertino giant announced its 24-inch iMacs powered by Apple silicon, and much like last year what it did with MacBook Pro and MacBook Air, create some differences in features from the base iMac model with 7-core GPU compared to the model with 8-core GPU.

The YouTuber Max Tech did test both of them, and there’s a huge difference in CPU and GPU performance because of thermal throttling. Though there was no noticeable difference in Geekbench 5 results, in the Metal compute benchmark, the 8-core GPU model did have some impact on scores.

Now, when managed to stress both the iMacs for quite some moment, you notice that the single-fan iMac 24 starts throttling as it could not keep the Apple M1’s temperature down. Overall, the 8-core (GPU) iMac 24 variant performed around 10% better, even with its two fans often sitting idle.


So, during the 3D Mark WildFire stress test, we see the base variant at 87 °C while the dual fan variant is at just 69 °C. While in Cinebench R23, there’s a huge difference as well, when stressed, the base variant throttles in performance as it reaches 94 °C while the dual fan variant is at just 89 °C.

The 8-core GPU model enjoys better cooling and better graphics, whereas the base variant that costs $1299 scores 7,002 points in Cinbench after prolonged tests compared to 7,722 points for the dual-fan model costs $1499. Just imagine having a 10.28% advantage for a superior cooling system that costs just $200 more.

Buy the 8-core GPU 24-inch iMac for $1499: https://amzn.to/3vP7IAA

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Have a look at the video:

via Notebookcheck

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Raunak Saha
A cs engineer by profession but foodie from heart. I am tech lover guy who has a passion for singing. Football is my love and making websites is my hobby.

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