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I have an heating issue in my macbook pro which has i9 processor and 32 gb of ram and 2 tb of storage. It heats up in using of 30 min. Its gpu if full acccelerated too. Apple care center are telling that you are using a high end sofware so it is heating.
By @Harshil37553683cl60
Sadly, I think this is expected and not surprising on an Intel Mac. Similar to recent generations of Intel-based Windows laptops, the last generations of Intel Mac laptops were plagued by the poor thermal efficiency and relatively high power consumption of the Intel CPU. This was a major reason Apple abandoned Intel and made their own ARM-based Apple Silicon processor. The Intel processors are fast, but high performance consumes maximum energy and generates maximum heat. In a thin laptop case the cooling system can’t keep up, so after an extended period of high performance processing, the only way to cool down is to slow down: It has an i9 processor, but cannot run at full i9 speed as long as it’s too hot.
This led to more bad outcomes: Poor battery runtime, poor battery lifetime (because high heat makes batteries lose capacity faster), and loud fan noise. I have a 2018 Intel MacBook Pro and it has all of those problems.
Apple solved all of these problems when they dumped Intel and rolled out the Apple Silicon M1 Macs four years ago. ARM-based Apple Silicon processors can achieve high performance at far lower power usage than Intel processors, so they get hot a lot slower, at a rate the laptop cooling system can handle, so they can sustain maximum performance for longer while running cool and quiet.
If you see high heat with Lightroom Classic, one big reason might be preview generation, because that is currently all done on the CPU, and generating previews in parallel will make all cores busy (and hot). Currently, GPU acceleration only helps in the Develop module and during Export; for most other things the power-hungry CPU cores will get hot.
The far lower power requirements of Apple Silicon mean that, for example, I can work all day long in Lightroom Classic on my M1 Pro MacBook Pro and it stays cool and quiet, and the battery lasts several hours longer than on my Intel Mac laptop.
This means I generally agree with what Apple said, if they meant this:
High performance on an Intel Mac: Yeah, it’s gonna get hot, not much you can do about that.
High performance on an Apple Silicon Mac: Much less of a problem, or maybe not a problem.
(And before any PC users get annoyed with the comparison, the latest Intel/AMD processors are somewhat improved and Lunar Lake might be really promising when it gets here, but the big news on the PC side is that the new, shipping ARM-based Windows laptops can potentially deliver power efficiency and thermal benefits comparable to what Mac users get with Apple Silicon. The catch is that at the moment, Lightroom Classic does not yet run natively on ARM Windows PCs.)
I can understand part of that claim, but there may be different things going on…
In short, I’m not saying there isn’t a problem, but it is a problem that’s surprising to many of us fellow Apple Silicon Mac users. But, maybe some of the ideas below can help figure out what is going on.
I am on a M3 Max, and lightroom clearly overheats the computer.
By @Lio246607437ujy
It is possible for this to be at least somewhat true. I have read some accounts that the M3 has somewhat less thermal headroom than the M1/M2, that in some other tasks that are very demanding, the M3 may heat up faster and the fans come on sooner.
But, the M3 should still not really “overheat.” Technically, a PC or Mac “overheats” when a temperature increase cannot be controlled so the computer must shut down to protect itself, sometimes without warning. In all normal circumstances, if the temperature approaches the design limit, the cooling system will bring it down by using the fans or slowing the CPU/GPU, so that the computer never truly overheats and shuts down.
How do you define overheat? Do you mean the fans come on, and reach maximum RPM, too frequently?
I stand by what I said too: Even yesterday when I was browsing old folders, causing previews to be built in bulk which is CPU intensive, my M1 MacBook Pro fan speed never exceeded half of maximum speed and therefore I could not hear the fans. And if I am editing a single raw image, the fans never come on.
Also, no one can dispute that the M1/M2/M3 are much more power-efficient, and run cooler, with more battery life, than any Mac laptop using an Intel processor. It is a fact. Even your M3 should run better than any Intel Mac laptop ever did.
Battery life, that’s a different subject than overheating. All tasks that place high demands on the CPU or GPU, such as raw editing, bulk edits, and video editing/effects, will shorten battery life. But even then, your M3 should still last much longer on battery than any Intel Mac laptop ever did. If your battery lasts only 3 or 4 hours using Lightroom Classic on an M3, it would have only lasted an hour or two with an Intel Mac laptop.
How have you set the following settings? Some settings may cause more constant CPU-intensive background processing of previews or metadata, raising the chance of high temperature and audible fans.
Lightroom Classic > Preferences
General tab / Replace Embedded Previews with Standard Previews at Idle Time (on or off?)
Performance tab / Generate Previews in Parallel (on or off?)
Also, how are these set?
Lightroom Classic > Catalog Settings
File Handling tab / Standard Preview Size (which setting?)
File Handling tab / Preview Quality (which setting?)
Metadata tab / Automatically Write Changes to XMP (on or off?)
Metadata tab / Automatically Detect Faces in All Photos
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