All Questions
Tagged with cpu temperature
70 questions
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kernel_task slowing down on Intel-based MacBook Pro
I have a 2020 MacBook Pro 16", the last of the Intel based Macs. Just in the last couple of weeks it has been slowing down due the kernel_task process going up to 1000% CPU usage.
I have done a ...
- 111
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0
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99
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How can I see whether my iPhone is throttling the CPU or some other resources due to excessive temperature?
I have an iPhone 12 mini, which runs iOS 15. How can I see whether my iPhone is throttling the CPU or some other resources due to excessive temperature?
- 3,616
1
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0
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253
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MacBook Pro 16 2019 i7 - CPU throttling
My MacBook Pro starts to throttle its CPU to 0.8 - 1GHz over time, even when watching 2k youtube videos, which of course is not a normal behaviour.
Here are some details about my issue. First, pmset:
...
- 111
0
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0
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579
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High CPU temperatures while using iCloud for Windows
I hope you don't mind the Windows related question.
I am trying to run iCloud for Windows on my PC (running Windows 11 Pro) but when I turn on iCloud Drive, my CPU temps jump by about 15-20 deg C. ...
- 1
0
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0
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191
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CPU throttled to 0.78 GHz when using MacsFanControl on Windows
Sometimes I need to run Windows via Bootcamp on my MBP 16". In Windows, the fans of the notebook always spin at maximum speed, so I tried regulate them using "MacsFanControl".
When ...
- 153
2
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1
answer
1k
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Throttle CPU to reduce fan usage on MBP
I am using an MBP (late '19, 8-Core i9, macOS 12.5). On medium and heavy usage, the fans kick in, as expected. However, I sometimes want to use the MBP casually and would be willing to throttle down ...
- 23
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158
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Mac Mini 2018 (Intel) has CPU frequency being 0.8GHz from time to time - what should I do?
I have a Mac Mini 2018 with Intel CPU, but recently it starts to lock its CPU frequency. From time to time (e.g. several times a day), it becomes 0.8GHz for about 5 minute, and a few minutes of ~1GHz, ...
- 101
1
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1
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1k
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Should my CPU load be that high?
I have a mid-2009 13" core 2 Duo MacBook Pro running High Sierra w/ upgraded 8 Gb RAM.
On Activity Monitor I usually get 20-40% 'idle CPU' with only Finder, Safari (3 tabs) and Activity Monitor ...
- 31
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1
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1k
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What's the normal rpm and sensors temperature for Macbook pro 2019
I have a Macbook Pro 2019 (Core i7 16GB 16inch) and for normal usage with Google Chrome and VSCode for simple projects, it shows this temperature and fan speed
Is it normal?
Its fan are always on and ...
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1
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2k
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High kernel_task CPU usage problem
I have an old MacBook Air 13" from 2013. It has been working flawlessly up to maybe 6 months ago, where it started being insanely slow. I have identified the cause to be the dreaded kernel_task, ...
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496
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Which CPU temperature should I look at to monitor thermal throttling?
I'm using iStat Menus to display temperature readings from multiple sensors. I want to keep an eye on the CPU temperature to see if the cores are close to their thermal throttling threshold, but there ...
- 619
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2
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866
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Mac mini fan never surpasses 7%, even while stress testing
I have a 2014 Mac mini with an Intel Core i5 processor. I noticed that no matter how much I used it, the fans barely ramped up. Using iStat Menus I noticed that it would usually stay around its base ...
- 9,234
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1
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448
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Thermal throttling after Big Sur update
My 2015 i7 MacBookPro started to thermal throttle after the update to Big Sur:
in previous system, the Mac went up to 90°C degrees before slowing down. And it would not thermal throttle at all. The ...
user418915
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1
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2k
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kernel_task eating 1000% of my CPU regardless of the CPU being at 56-58 degrees
I'm currently struggling with kernel task on my 1 year old Macbook Pro 16" 2019.
Basically I'm currently using an external monitor which is connected to my macbook via a usbc to displayport cable ...
- 121
1
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1
answer
1k
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MacBook Pro 16 inch thermal throttling even when temperatures are low
Sometimes when I start to use MacBook its cpu speed limit stays at 20% despite the low temperature. I use the app "HOT" to monitor it. Sometimes even when temperature is 60 Celsius cpu ...
6
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2
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15k
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How to find the current temperature of an iPhone's CPU?
There are extremely useful utilities like iStats for viewing the CPU temperature on a device running macOS.
Is there a way to view the current CPU temperature of an iPhone?
Note: the reason I want ...
- 5,395
3
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2
answers
5k
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New Macbook Pro 2019 has high temperature with low CPU usage
I got a Macbook Pro 2019 with Intel Core i9 Processors and it seems to heat up and get the fans spinning even with very low cpu usage.
For Example, today when I was on a video call, Both my fans were ...
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1
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1
answer
552
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MacBook Pro 2020 Fan Issues
I recently purchased a MacBook Pro 2020 13" (1.4 GHz, 8GB Ram, i5). For some reason, when I open Chrome and watch Twitch my computers fans turn on and go crazy. After opening Activity Monitor, I ...
- 13
2
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2
answers
1k
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Seemingly random CPU throttling
My 2018 macbook pro with i9 processor running Catalina version 10.15.6 seems to randomly throttle the CPU frequency even with low CPU utilization and lowish temperatures:
I am using a docking station ...
5
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1
answer
18k
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MacBook Pro fan running full speed, activity monitor shows no computationally intensive applications
My 2018 Macbook Pro 15 inch fan is running at full speed all the time. I checked activity monitor and my idle was >95%. If this is a hardware problem, is there any way to fix it without opening up ...
- 51
2
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1
answer
2k
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Is 80-90 degrees celsius hot for MBP 2019 CPU temperature
I just converted to apple and bought the latest 16inch MBP with a 6 cores core i7 processor and 16GB of RAM.
I am noticing that it gets hot easily, on idle the temperature is around ~45 degrees ...
- 23
1
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0
answers
50
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Is my CPU core/CPU proximity too high in temperature? [duplicate]
As mentioned by the title 'is my CPU core/CPU proximity to high in temperature?'. The underneath of my macbook gets seriously hot. Not only this but if an application is being 'verified' when opened ...
- 11
2
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0
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36
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CPU Die when fan speed is slow
I recently bought a second hand MBP early 2013 15' quad core. Everything seems fine so far except 2 cpu died events I experienced.
The first one is happened last week when I exported a 2 minutes ...
- 307
0
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2
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95
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kernal_task bringing MacBook Pro to a halt - fan problem?
I have acquired a 2nd-hand mid-2015 MacBook Pro which I use connected to 2x cinema displays (the laptop itself has some screen damage).
When connected up for the first time I noticed it was going ...
- 11
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1
answer
260
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mid-2015 MBP, 16GB, upgraded from 2.5 to 2.8 model. Benchmarks are almost the same, even worse for the 2.8 in some tests
Any thoughts on why this would be? I migrated everything at power-on on the new mac after formatting its Samsung EVO 970 plus, so they have identical drive contents and OS. Also, the 2.8 gets hot ...
- 261
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1
answer
3k
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I really want to know what is proper the cpu temperature for my Mac book [duplicate]
I'm using Mac book pro 13 inch , 3.1 ghz i5 dual core.
I have set up Mac book fan control and I am able to check the temperature.
I was just surfing the internet, and the cpu temperature shows about ...
1
vote
1
answer
105
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Are these temperatures normal?
I have a 13-inch, Mid 2012 Macbook Pro that constantly overheats. Normally, the only app I will be using will be Google Chrome and I will still experience these temperatures. But occasionally I use ...
2
votes
1
answer
361
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cpu clock too low / force cpu clock / overclock
I have a MacBook from a few years back.
When I use it write some code and browse the internet, the fans go very fast and the noise is horrible. But the temp shows only 70 C.
So I used SMC to force ...
- 121
0
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1
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152
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CPU cores have a temperature near 80 °C and then the fan starts to work. Can it be dangerous? (not for Core) [duplicate]
I have the same question, but about Core.
This one I want to ask whether such a temperature is dangerous for other Components, then Core?
I have read some advices to adjust Fan Speed, cause if you ...
- 1,497
2
votes
1
answer
890
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Kernel CPU usage shows more than 100%, temperature low, fan speed high [duplicate]
The activity monitor is showing strange things, like kernel CPU % usage being way above 100%, between 200% - 1.000%.
At the same time the cooling fan is running at max speed and the CPU temperature ...
- 557
1
vote
1
answer
848
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CPU speed of the Macbook Pro Retina downclocked
I've a MacBook Pro 15" late 2013. For a long time I have encoded videos with handbrake and the CPU was very hot for hours. The clock speed was about 2.8GHz (I have the 2.3GHz model) and the ...
- 111
2
votes
2
answers
20k
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Are these normal temperatures?
I just got a new MacBook Pro 2017 128GB no-touchbar, bought it in the refurb.
I'm doing a bit of Photoshop ( I know it's not the best MBP, but I really need it right now for work ) and I have Safari (...
- 41
6
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1
answer
2k
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MacBook Pro 15" 2015 CPU throttles down to 0.8 GHz
My MPB has had this problem for years every time the ambient temperature gets a bit warmer. It starts in the spring and gets ridiculous during the summer.
The MBP clocks down its processor to 0.8 GHz,...
- 161
1
vote
2
answers
8k
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High CPU and GPU temperature, high fan speed, low activity
Macbook Pro early 2011 model - 13" - running El Capitan.
I've been seeing other people reporting this left and right and mostly they don't look at the activity monitor first. I can say I have and my ...
- 171
2
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0
answers
109
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systemd is using >150% CPU
I'm not sure what's causing it, but suddenly the systemd process just started using about 150% CPU (according to my iStat menu). I checked in Activity Monitor and it said the same. I checked the CPU ...
- 271
2
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1
answer
1k
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MacBook Pro integrated GPU drawing too much power when CPU monitoring app is running
Main problem:
When I run an app that monitors CPU temperature, it rises from 40° to 76° in 3 minutes. Even though the CPU usage is 12%, CPU package power draw maxes out at 31W. I checked the clock ...
- 21
5
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4
answers
41k
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Is it normal for a 27" iMac to have CPU core temperatures around 95C under 100% CPU load?
I have a 2017 27" iMac with a 4.2 GHz Intel Core i7. It's been having some issues lately where every now and then the entire system will gradually freeze, forcing me to hard reboot the computer. So to ...
- 2,760
1
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1
answer
176
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When will SIP shutdown the computer to prevent overheating?
I have a MacBook Pro Early 2015 running macOS High Sierra. I've managed to get it to pretty high temperatures for both the CPU and the GPU. I've managed to get them to at least 100ºC and the computer ...
- 1,141
2
votes
2
answers
2k
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High Temp at Startup after Upgrading to High Sierra
After upgrading to High Sierra (I have clean installed it), my mac (Macbook Pro 2010) needs unreasonably longer time to login. As a result, I have noticed that the temperature increases to around 100 ...
- 227
4
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1
answer
8k
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Is it possible to view the CPU/GPU temperatures **from the command line**? [duplicate]
When this question was asked in 2012, specifically mentioning the "command line" requirement, an answer suggested Temperature Monitor (a "legacy" product). Running all three, Temperature Monitor along ...
- 4,389
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1
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47
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How can I reduce the heat produced when running resource heavy applications for a long time?
As a software developer I often have to run resource heavy applications for a long period of time. As such my system is able to run the workload without too many issues (uses between 60-70% of CPU max)...
user244412
1
vote
1
answer
418
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2011 Mac mini fan always on
I just started having problems with my Mid 2011 Mac Mini — it's fan is continously on although the computer temperature is relatively low and not a lot of CPU is being used. I'm very nervous about ...
- 141
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1
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682
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What are safe or average component temperatures for my MacBook?
My MacBook has been overheating for over a year now. More recently it has begun to perform alarms and automatic shutdowns.
Also on startup there is (a moment) where I see a black screen with source ...
22
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4
answers
1k
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Multi threaded CPU intensive task throttles CPU way before temperatures limits
I have written a very CPU intensive threaded task that works as expected on my 2012 MacBook Pro quad core. I turn it loose with 20 threads and the temperatures get up to about 100 °C as measured with ...
- 221
8
votes
4
answers
29k
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MacBook Air CPU core PECI temperature
I have a question about my MacBook Air CPU temperature. I've read a lot of similar questions but there's something I can't understand in my experience.
I'm doing some tests because I'm trying to ...
2
votes
1
answer
4k
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MacBook Pro (Retina, 13-inch, Early 2015) high temperature
I know there are plenty of articles here about CPU reaching very high temperatures but I am still concerned about mine.
I bought a used MacBook Pro Retina, 13-inch, Early 2015 (i5, 2.7 Ghz) computer ...
- 21
6
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3
answers
9k
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Is this a normal fan speed and CPU temperature for an idle MacBook Pro (Retina, 15-inch, Mid 2015)
Is this a normal fan speed and CPU temperature for an idle MacBook Pro (Retina, 15-inch, Mid 2015). The fact that fan 2 is not spinning worries me. I can get 'loaded' fan speeds and temps if that ...
- 161
9
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2
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6k
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CPU stuck at 0.8Ghz on iMac late 2013 2.7Ghz because of kernel_task
I know it seems like this question is like the dozens of other questions about CPU overheating and kernel_task overloading it, but nope.
I found an iMac (yep, found it. In the trash). I fixed it (...
- 111
0
votes
1
answer
348
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Fans kick in very late after ssd upgrade
Recently I replaced my MBP Mid-2010 HDD with a Zotac 480G Premium SSD. Things are really faster now, but one thing I noticed is that the CPU rises to peaks quite unprecedented with my original HDD. In ...
- 227
2
votes
2
answers
3k
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CPU throttled to 0.8GHz due to "GPU LIMIT PROCHOT"
Suddenly my iMac (late 2013) started to throttle CPU to 0.80GHz, everything becomes super sluggish. It happens ~5-10 min after a fresh reboot, sometimes it goes back to full speed for short periods, ...
- 21