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At the heart of every computer is its CPU, or central processing unit. This is the piece that, at the most basic level, moves the binary switches that come together by the millions to form computer code. The quicker it can move each switch, the more calculations it can make and the faster a computer can run.

Although each switch is measured in microscopic increments, they all work on the same general principle of whether or not electricity is moving through the switch at any one time. Although manufacturers try to minimize this, any medium of electricity will provide some resistance to the current.

Resistance to electricity in any material can cause it to heat up, and eventually melt. This is the principle behind fuses. When too much electricity passes through a fuse, it melts, stopping the current and preventing the damage from happening inside the load.

A CPU has the same problem, multiplied by each one of the many millions of switches it contains. Meltdowns in the CPU render it instantly inoperable and can easily damage the other components of your computer as well.

It should be clear, then why it is important to have an accurate gauge of your CPU’s temperature. Here are five of the best programs to let you know what’s going on inside your computer.

 

Our Best CPU Temp Monitor Reviews and Comparisons

1. Atera

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Product Highlights

A wide array of remote system monitoring tools that allow an administrator to check up on multiple devices throughout their network.

Features

  • Remote monitoring of multiple devices
  • Network discovery and connected devices control
  • Physical status of connected hardware
  • Mobile and desktop platforms

What We Like About Atera

This software is exceptionally inclusive and allows for full and secure monitoring of your entire system.

What We Don’t Like About Atera

Quality costs – this is a subscription-based service that can add up very quickly.

PROS

  • Network load monitoring
  • Extensive real-time support
  • Fully operational mobile platform
  • Multiple plans for different needs
  • Network security support

CONS

  • Paid subscription required
  • Not recommended for single devices or home networks

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2. ManageEngine OpManager

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Product Highlights

A system monitoring tool with a number of alert options to keep you up to date on your computer’s status.

Features

  • Windows and Linux enabled
  • Sends alerts by email, SMS, or a number of messenger apps
  • Allows long-term system use analysis
  • Custom device definition for home-built computers

What We Like About ManageEngine OpManager

Never get caught unawares by unusual activity again – this program will send an alert to your email, SMS, desktop, or messenger apps, as you please.

What We Don’t Like About ManageEngine OpManager

Installation is not standardized – the software vendor must supply a custom quote and service to each client.

PROS

  • Emphasis on user alerts
  • Analytical package
  • Supports Windows and Linux systems
  • Customizable alert thresholds
  • Unknown device registry

CONS

  • High maintenance
  • Not supported on iOS

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3. HWMonitor

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Product Highlights

This program comes for free and allows thorough hardware monitoring of a Windows computer.

Features

  • Local or remote connection
  • Detailed hardware statistics
  • Automatic device health display
  • Implements smart cooling procedures

What We Like About HWMonitor

Although there is a paid version with greater capabilities, this tool provides comprehensive temperature monitoring even with the free trial version.

What We Don’t Like About HWMonitor

The user interface and remote connections are not on the same level as other temperature monitors.

PROS

  • Simple to use
  • Low space requirements
  • Monitors more hardware than just the CPU
  • Free to install
  • Compatible with extension hardware like added graphics cards

CONS

  • No remote monitoring
  • Poor user interface and readouts.

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4. Open Hardware Monitor

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Product Highlights

An open-source monitoring solution for those wanting to look after their system on a shoestring budget.

Features

  • Temperature gauge
  • Fan speed and motor status
  • Processor clock speed
  • Customizable desktop widget

What We Like About Open Hardware Monitor

As an open-source program, the software is highly adaptable and can be integrated with many systems and services without undue effort.

What We Don’t Like About Open Hardware Monitor

This program is far more rudimentary than the others and can be hard to read or run properly without an advanced background in computers

PROS

  • Open-source adaptability
  • Free to use
  • Low system requirements
  • Compatible with older systems
  • Useable on modified computers

CONS

  • Basic user interface
  • Relatively little information collected or displayed/li>

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5. Core Temp

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Product Highlights

A platform that allows you to pick and choose which features are in use at any one time, giving you the experience you need

Features

    • Distinct visual plug-in
    • Mobile monitoring extension

 

  • Separate thermal sensor to avoid inaccuracies from motherboard temperature

 

What We Like About Core Temp

This tool mounts its temperature processor outside the motherboard so as not to pick up the motherboard temperature instead of the CPU

What We Don’t Like About Core Temp

You will need to personally activate many of the features for them to be useful.

PROS

  • Desktop widget
  • Temperature gauge set away from the CPU
  • High backwards compatibility, to XP
  • Special optimizations for several leading chipmakers
  • Useful mobile application

CONS

  • Many pay-to-use features
  • Commercial version is not publically available

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Final Verdict

The importance of maintaining good server health is hard to overstate, and a crucial piece of that is ensuring that the CPU doesn’t malfunction. With these in mind, pick out a program that looks suitable for your needs and you should be set to start taking a closer look at your CPU health.

For larger systems, you might even consider using some free and paid programs in tandem, with one of them a local monitor and the other sending data back to the system administrator. This will provide an important measure of redundancy and allow you two reports to compare in case something slips past one of the tools.

It is worth noting that although many of the tools for monitoring a larger system tend to be paid subscriptions, they can easily save many times their cost in repair or replacement. A larger system will tend to more easily overwhelm the free versions, and often present challenges that a free monitor is simply not designed to meet.

Keep in mind that these systems are only as good as the person monitoring them – if one of them triggers an alert, it will be up to a human to fix the problem. Try to maintain a margin of error from the suggested norms to avoid accidental overheating.

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