Quick verdict
HWMonitor is the single best recommendation for quick and reliable CPU temperature checking on Windows in 2026. Core Temp is the better choice if per-core TjMax distance is important to you. For advanced logging and long-term diagnostics, HWiNFO64 has no peer. Gamers should add MSI Afterburner for the in-game overlay. Linux users are well served by the lm-sensors and psensor combination, which provides professional-g
HWMonitor - Best Free CPU Temperature Tool Overall
HWMonitor from CPUID reads temperatures from virtually every sensor on a PC, including CPU cores, package temperature, motherboard VRMs, GPU, and storage drives. The interface is a simple tree that expands each hardware component with current, minimum, and maximum readings recorded since launch. For a quick check of whether any component is running hot, it is the fastest tool to open and interpret. The portable version requires no installation. Updated regularly for new CPU platforms, it correctly identifies modern Intel and AMD processors without manual configuration.
Check price on Amazon →We tested the top CPU temperature monitors for 2026. Compare real-time readings, logging, and alerting features to find the right tool for your PC.
Monitoring your CPU temperature is one of the most useful habits for any PC owner. Excessive heat causes thermal throttling, which reduces performance, and sustained high temperatures shorten processor lifespan. The five tools below are the best ways to check CPU temperature in 2026, covering everything from simple per-core readings to full system sensor dashboards with logging and alerting.
| Tool | Platform | Best For |
|---|---|---|
|
ⓘ We may earn a commission from qualifying purchases made through links on this page, at no extra cost to you.
|
Windows | Full system sensor overview |
| Core Temp | Windows | Per-core CPU temperature focus |
| HWiNFO64 | Windows | Advanced monitoring and logging |
| MSI Afterburner | Windows | In-game overlay with OSD |
| lm-sensors + psensor | Linux | Linux CPU temperature monitoring |
How we test
We compare every pick against the field on real specifications, certifications, and aggregated owner reviews. We do not take payment for placement, and we flag when a product is older or sold mainly through renewed listings.
At a glance
The picks, reviewed
HWMonitor - Best Free CPU Temperature Tool Overall
HWMonitor from CPUID reads temperatures from virtually every sensor on a PC, including CPU cores, package temperature, motherboard VRMs, GPU, and storage drives. The interface is a simple tree that expands each hardware component with current, minimum, and maximum readings recorded since launch. For a quick check of whether any component is running hot, it is the fastest tool to open and interpret. The portable version requires no installation. Updated regularly for new CPU platforms, it correctly identifies modern Intel and AMD processors without manual configuration.
Core Temp - Best Tool for Per-Core CPU Temperature
Core Temp focuses exclusively on CPU temperature and does it with more detail than most alternatives. It displays per-core temperature readings alongside the distance from TjMax, so you can see at a glance how close each core is to its thermal limit rather than comparing against a general safe range you need to look up. It also shows CPU load, frequency, and power draw per core. The small system tray icon with real-time temperature readout is useful for passive monitoring without keeping a full window open. Core Temp supports virtually all Intel and AMD CPUs released in the last decade.
HWiNFO64 - Best CPU Temp Checker for Advanced Users
HWiNFO64 is the most comprehensive sensor monitoring tool available for Windows. Beyond CPU temperatures, it reads dozens of individual sensor values per component including per-core VRM temperatures, power delivery readings, and granular package metrics that simpler tools do not expose. Its logging feature records all sensor values to a CSV file at configurable intervals, which is useful for capturing thermal behavior during gaming sessions or stress tests after the fact. The remote monitoring plugin enables reading sensor data from a secondary screen or phone. For builders who want maximum insight into system health, HWiNFO64 is unmatched.
MSI Afterburner - Best CPU Temp Checker for Gamers
MSI Afterburner is primarily a GPU overclocking tool but includes a configurable on-screen display overlay that can show CPU temperature, utilization, and frequency in real time while gaming. This makes it the most practical tool for players who want to monitor thermals without alt-tabbing out of a game. The overlay is customizable, supports hardware monitoring via RivaTuner Statistics Server, and works with virtually any GPU regardless of brand despite the MSI name. For gaming-focused temperature monitoring with no configuration complexity, this is the standard recommendation.
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lm-sensors with psensor - Best CPU Temp Checker for Linux
Linux users have robust temperature monitoring through lm-sensors, a command-line tool that reads hardware sensors including CPU temperature on most motherboards. Combined with psensor, a graphical front-end, it provides a real-time GUI with per-core temperature graphs, configurable alerts, and system tray integration. Setup requires running the sensors-detect utility once to identify hardware probes, after which psensor reads and displays values continuously. For Ubuntu, Debian, Fedora, and Arch-based distributions, both tools are available in standard package repositories and install in minutes.
What to look for
What to consider
For most users, any tool that correctly reads per-core temperatures from your specific CPU is sufficient. The key features to prioritize are accurate per-core readings rather than a single package average, minimum and maximum logging to catch thermal spikes you may have missed, and a lightweight footprint that does not itself add CPU load. If you plan to diagnose throttling during gaming, an in-game OSD like MSI Afterburner's overlay is more useful than a desktop application you cannot see while playing.
Our verdict
HWMonitor is the single best recommendation for quick and reliable CPU temperature checking on Windows in 2026. Core Temp is the better choice if per-core TjMax distance is important to you. For advanced logging and long-term diagnostics, HWiNFO64 has no peer. Gamers should add MSI Afterburner for the in-game overlay. Linux users are well served by the lm-sensors and psensor combination, which provides professional-g
FAQs
Most modern CPUs operate safely up to 90-100°C under full load, with manufacturers specifying a maximum junction temperature (TjMax) in that range. For long-term health and consistent performance, keeping temperatures below 85°C under sustained load is a practical target. Idle temperatures of 30-50°C are normal. If your CPU regularly exceeds 90°C under load, check airflow, reapply thermal paste, or consider a better cooler.
HWMonitor and Core Temp are the most widely recommended free CPU temperature tools. HWMonitor reads temperatures from virtually every sensor on your system including CPU, GPU, and motherboard. Core Temp focuses specifically on per-core CPU temperatures and displays TjMax distance, making it easy to see how close each core is to its thermal limit. Both are lightweight, require no installation in their portable versions, and are updated regularly.
Yes, you can check CPU temperature in your system BIOS or UEFI firmware without installing any OS-level software. Restart the PC and enter the BIOS using the Delete or F2 key at boot; look for a hardware monitor or PC health section. This is useful for diagnosing issues before the OS loads. For real-time monitoring during gaming or workloads, dedicated software tools are necessary as BIOS readings are only available at idle before boot.
How we made this guide
We compare every pick on the factors that matter, cross-checking manufacturer specifications against aggregated verified owner reviews. We rank independently and never take payment for placement. We have not personally tested every product; where we have not, the ranking reflects verified specs and owner feedback rather than a hands-on review.
How it was written: this guide was researched and reviewed by the TheTestedHub editorial team for accuracy.
Affiliate disclosure: TheTestedHub is reader-supported. When you buy through links on our site, we may earn a commission at no extra cost to you.
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