Program For Monitoring Cpu Temp On Mac
There are two groups of users worried about the temperature of their computer: overclockers… and pretty much anybody with a powerful laptop. Those things just cook you! So have you ever wondered exactly what temperature your CPU is running at?
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There are quite a few Windows programs that you can use to monitor the temperature. Here are two of our favorite options.
- Activity Monitor shows the processes that are running on your Mac, so you can manage them and see how they affect your Mac's activity and performance. This article describes some of the commonly used features of Activity Monitor, a kind of task manager that allows you see how apps and other processes are affecting your CPU, memory, energy, disk.
- Keep an eye on CPU, GPU, memory temperature, observe fan speeds (rpm) and get hdd disk IO statistics with mac system monitor. Sensors Plug-in helps iStatistica being most advanced system monitor on the App Store.
Monitor System Stats, CPU Temp, Fan Speed in Mac Notification Center Mar 13, 2016 - 8 Comments Many Mac users like to keep a watchful eye on their system stats, including processor utilization, memory usage, disk activity, network usage, CPU temperature, fan speed, and perhaps battery stats. TG Pro just makes it easier to control fans, monitor temperatures, and view sensor readings with a click. Nicely done, good reviews, and a great utility for any Mac user who wonders why the Mac’s fan keeps coming on.
For Basic CPU Temperature Monitoring: Core Temp
The most important temperature to measure in your computer is the processor, or CPU. Core Temp is a simple, lightweight app that runs in your system tray and monitor’s the temperature of your CPU without cluttering it up with other stuff. It offers a few different options so you can customize it to your tastes, and even works with other programs like Rainmeter.
Download Core Temp from its home page and install it on your computer. Be very careful to uncheck the bundled software on the third page of the installation! This was unchecked by default for me, but other users have noted that it is checked by default for them.
When you run it, it will appear as an icon or series of icons in your system tray showing the temperature of your CPU. If your CPU has multiple cores (as most modern CPUs do), it will show multiple icons–one for each core.
Right-click on the icon to show or hide the main window. It will give you a bunch of information about your CPU, including the model, speed, and the temperature of each of its cores.
Take particular note of the “TJ. Max” value–this is the highest temperature (in Celsius) at which the manufacturer has rated your CPU to run. If your CPU is anywhere near that temperature, it is considered overheating. (Usually it’s best to keep it at least 10 to 20 degrees lower than that–and even then, if you’re anywhere close, it usually means something is wrong unless you’ve overclocked your CPU.)
For most modern CPUs, Core Temp should be able to detect the Tj. Max for your specific processor, but you should look your specific processor online and double check. Every processor is a little different, and having an accurate Tj. Max value is very important, as it ensures you’re getting the correct temperature readings for your CPU.
Head to Options > Settings to configure some of Core Temp’s more useful features. Here are a few settings we recommend looking at:
- General > Start Core Temp with Windows: You can turn this on or off; it’s up to you. Turning it on will allow you to monitor your temperatures at all time without having to remember to start it up. But if you only need the app occasionally, it’s okay to turn this off.
- Display > Start Core Temp minimized: You’ll probably want to turn this on if you have “Start Core Temp with Windows” on.
- Display > Hide Taskbar Button: Again, if you’re going to leave it running all the time, this is good to turn on so it doesn’t waste space on your taskbar.
- Notification Area > Notification Area Icons: This allows you to customize how Core Temp appears in your notification area (or system tray, as its commonly called). You can choose to display just the app’s icon, or display the temperature of your CPU–I recommend the “highest temperature” (instead of “all cores”, which will show multiple icons). You can also customize the font and colors here.
If the icon is only appearing in the pop-up tray and you want to see it at all times, just click and drag it onto your taskbar.
If you decide to show the temperature in the notification area, you may want to change the Temperature Polling Interval in the General tab of Core Temp’s settings. By default, it’s set to 1000 milliseconds, but you can move it higher if the blinking numbers annoy you. Just remember the higher you set it, the more time it’ll take for Core Temp to notify you if your CPU is running hot.
Core Temp can do a lot more than this–you can head to Options > Overheat Protection to have your computer alert you when it reaches its maximum safe temperature, for example–but these basics should be all you need to keep an eye on your CPU temperatures.
For Advanced Monitoring Across Your Entire System: HWMonitor
Generally, your CPU temperatures are going to be the most important temperatures to monitor. But, if you want to see temperatures across your system–motherboard, CPU, graphics card, and hard drives–HWMonitor gives you that and much more.
Download the latest version from the HWMonitor home page–I recommend the ZIP version, which doesn’t require installation, though you can also download the full setup version if you want. Start it up, and you’ll be greeted with a table of temperatures, fan speeds, and other values.
To find your CPU temperature, scroll down to the entry for your CPU–mine, for example, is an “Intel Core i7 4930K”–and look at the “Core #” temperatures in the list.
(Note that “Core Temperature” is different than “CPU Temp”, which will appear under the motherboard section for some PCs. Generally, you’ll want to monitor the Core temperature. See our note below about AMD temperatures for more info.)
Feel free to poke around and see temperatures for other components in your system, too. There isn’t much else you can do with HWMonitor, but it’s a good program to have around.
A Note on AMD Processor Temperatures
Monitoring temperatures for AMD processors has long puzzled computer enthusiasts. Unlike most Intel processors, AMD machines will report two temperatures: “CPU Temperature” and “Core Temperature”.
“CPU Temperature” is an actual temperature sensor inside the CPU’s socket. “Core Temperature”, on the other hand, isn’t really a temperature at all. It’s an arbitrary scale measured in degrees celsius designed to, in a way, mimic a temperature sensor.
Your BIOS will often show the CPU Temperature, which may differ from programs like Core Temp, which show Core Temperature. Some programs, like HWMonitor, show both.
CPU Temperature is more accurate at low levels, but less so at high levels. Core Temperature is more accurate when your CPU gets hot–which is when temperature values really matter. So, in almost all cases, you’ll want to pay attention to Core Temperature. When your system is idle, it may show impossibly low temperatures (like 15 degrees celsius), but once things heat up a bit, it will show a more accurate–and useful–value.
What to Do If You Don’t Get a Reading (or Temperatures Look Really Wrong)
In some cases, you may find that one of the above programs doesn’t quite work. Maybe it doesn’t match up with another temperature-monitoring program, maybe it’s absurdly low, or maybe you can’t get a temperature at all.
Reunion genealogy program for mac. There are a lot of reasons this could happen, but here are a few things to check:
- Are you looking at the right sensors? If two programs don’t agree, it’s possible–especially on AMD machines–that one program is reporting the “Core temperature” and one is reporting the “CPU temperature”. Make sure you’re comparing apples to apples. Core temperature is usually what you want to monitor, as we mentioned above.
- Make sure your programs are up to date. If you’re using an old version of Core Temp, for example, it may not support your CPU, in which case it won’t provide an accurate temperature (or possibly won’t even provide a temperature at all). Download the latest version to see if it fixes the problem. If you have a very new CPU, you may need to wait for an update to the program.
- How old is your computer? If it’s more than a few years old, it may not be supported by programs like Core Temp.
We could write a book about monitoring CPU temperatures, but in the interest of keeping this easy to follow, we’ll leave it at that. Hopefully, you can get a general estimate of how well your CPU is being cooled.
Monitoring your temperatures is good, and something everyone should check on once in a while. But if your computer is regularly overheating, there’s probably a deeper cause that you need to look into. Open up the Task Manager and see if there are any processes using your CPU, and stop them (or figure out why they’re out of control). Make sure that you aren’t blocking any of the vents on your computer, especially if it’s a laptop. Blow the vents out with compressed air to make sure they aren’t filled with dust and dirt. The older and dirtier a computer gets, the harder the fans have to work to keep the temperature down–which means a hot computer and very loud fans.
Image Credit: Minyoung Choi/Flickr
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If you rely on a MacBook Pro as your business desktop replacement or mobile computing companion, you may want to keep an eye on your system's CPU usage to diagnose a system slowdown or see which applications use the most processing power. Mac OS X ships with a utility you can use to monitor which applications and processes demand the most of your MacBook Pro's CPU. Launch Activity Monitor to view your computer's disk activity and usage, check your network traffic, examine system memory and see real-time stats on CPU usage.
1.Open your Applications folder and double-click on the 'Utilities' subfolder to open it. Double-click on the icon for 'Activity Monitor' to launch it.
2.Click on the 'CPU' tab at the bottom of the Activity Monitor window to display processor-use stats and a live stacked-column activity graph. User processes belong to you and stem from the applications you launch or the processes they use. System processes belong to the computer itself. The '% Idle' statistic represents the amount of processor power that's not in use at the time the utility polls the system. The activity graph's red bands show how much processor power your computer claims for your operating system. In green, you'll see the activity from applications you launch and other processes that belong to you as the current user. If your computer's running processes claim your full processor power, the combined height of user and system bands reaches the top of the graph.
3.Best Cpu Temp Monitoring
Set the drop-down menu at the top right of the Activity Monitor interface to 'My Processes' to view only those that belong to your user ID. Switch to 'All Processes' to see the full list of what's running on your MacBook Pro.
4.Click on the name of a process to select it. Shift-click on another item in the list to select all the entries between your original selection and the second process name you select. Command-click on additional entries to add them to your selection individually. After you've made your selection, set the drop-down menu to 'Selected Processes' to track only those items in the list of processes. Note that the statistics at the bottom of the window continue to reflect all the processes running on your system.
5.Click on the 'CPU' header in the main portion of the Activity Monitor window to sort the list of processes by the amount of CPU capacity they use. When the arrow on the CPU header tab points down, the list sorts in descending order with the most active processes at the top. Click on the header a second time to change the sort order.
Tips
- Add Activity Monitor to your Dock. Then 'Ctrl-Click' on its icon to choose one of five options that provide continuous tracking of CPU, network, disk or memory usage, or CPU history.
- Click on a misbehaving process in the Activity Monitor list and use the 'Quit Process' button at the top of the window to issue a Force Quit command.
- Don't use Activity Monitor to quit a process without being certain of what you're doing. If you quit part of your operating system, your MacBook Pro may misbehave.
- In multiprocessor and multicore systems, you can see a process listed as using more than 100 percent of available CPU capacity. This represents the sum of the amounts used by each processor.
Warning
- Activity Monitor itself can consume considerable system resources, especially if you allow it to take frequent system snapshots. Change the default update frequency of two seconds to reduce the system load.
Best Program For Monitoring Cpu Temperature
References (8)
Resources (5)
- Mac OS X Lion: The Missing Manual; David Pogue
About the Author
Elizabeth Mott has been a writer since 1983. Mott has extensive experience writing advertising copy for everything from kitchen appliances and financial services to education and tourism. She holds a Bachelor of Arts and Master of Arts in English from Indiana State University.
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