Most Mac apps, including WhatsApp for Mac, are designed to efficiently use CPU and RAM resources while maintaining moderate consumption. However, there are situations where certain applications may require a lot of CPU resources for limited periods of time.
The desktop version of WhatsApp for Mac has times when it uses considerable CPU resources, even on a MacBook equipped with a high-performance M3 Pro chip.
Why does the WhatsApp app for Mac use a lot of CPU resources?
If you notice that the WhatsApp app has started consuming a lot of CPU and RAM resources, you don't have to worry. It can be something temporary, which will resolve itself in just a few minutes.
Such a scenario often occurs after the first sync between the WhatsApp app on your Mac and the one on your phone. This high resource consumption is mainly caused by the process of synchronizing a large volume of data from the user's chats. Following this synchronization, older messages from the phone become visible in the desktop app, which explains the increased load on the CPU.
So, if you notice that WhatsApp for Mac uses a lot of CPU resources, it is most likely the consequence of synchronizing a large volume of data between the WhatsApp app on your phone and the one on your Mac.
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