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How bad is Thermal Throttling?

Linus Tech Tips@LinusTechTips565K viewsMar 15, 20240:54
Source
YT
Views
565K
Subscribers
16.8M
Critic
8.5
Audience
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Description

Derek asks does thermal throttling really reduce the lifespan of your CPU or GPU and the answer is it's complicated High thermals do impact the lifespan of an integrated circuit however thermal throttling specifically is a feature that's actually designed to extend your CPU or your gpu's lifespan once it reaches a certain maximum Target temperature it will lower its power Target in order to meet a point where it matches whatever thermal solution is in installed on it even going as far as to operate albeit very slowly with no cooling solution installed whatsoever so in general you do want things to run as cool as possible but we also have to understand realistically that there are safety measures in place and that modern processors are designed to run at these higher temperatures without immediately dying at least not until your warranty expires

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In this short, Derek explains the concept of thermal throttling and its impact on CPU and GPU lifespan. He begins by questioning whether thermal throttling actually reduces the lifespan of your CPU or GPU, then clarifies that high thermals do affect integrated circuits, and that throttling is a feature designed to extend their life once a maximum target temperature is reached. Derek notes that when the target temperature is achieved, the processor lowers its power target to match the installed cooling solution, allowing the chip to operate efficiently even without a cooling solution. He emphasizes the importance of running as cool as possible, while acknowledging that modern processors are built to run at higher temperatures without immediate failure. The video concludes with a reminder that thermal throttling is a safety measure that can extend the life of your CPU or GPU until the warranty expires, and that proper tuning can yield significant performance gains.

Viewers appreciate the concise explanation of thermal throttling and its practical implications. Many comments highlight the usefulness of the 20% performance gain claim and the relevance of tuning power targets. Some viewers note the importance of thermal paste and cooling solutions, while others point out the need for proper temperature monitoring. Overall, the audience responds positively, with high likes and supportive replies, indicating strong engagement with the content.

Topics · review · tech · cpu · performance · gaming · pc · tips

Questions answered

What is thermal throttling and how does it affect CPU lifespan?
Thermal throttling is a feature that lowers a processor’s power target once it reaches a maximum target temperature, extending the lifespan of the CPU or GPU by maintaining efficient operation.
Why is it important to run a CPU as cool as possible?
Running a CPU as cool as possible reduces heat stress on the integrated circuit, preventing premature wear and ensuring consistent performance until the warranty expires.
How can tuning power targets improve performance?
By dialing in the power target manually, you can limit CPU power until just before throttling under load, which can yield a significant performance gain, such as the 20% improvement noted for a 13900k.
What role does thermal paste play in this process?
Thermal paste ensures proper heat transfer between the CPU and its cooling solution, which is essential for accurate temperature monitoring and effective throttling.
What temperatures are considered optimal for modern CPUs?
Modern CPUs often run comfortably between 80°C and 115°C under full load, with many users targeting around 101°C to 105°C for optimal performance.
How does the video explain the relationship between temperature and power target?
The video shows that when a CPU reaches a maximum target temperature, it automatically lowers its power target to match the installed cooling solution, creating a feedback loop that keeps the chip running efficiently.
What is the significance of the 400MHz reference in the comments?
The 400MHz reference highlights the importance of measuring CPU frequency and temperature to fine-tune throttling settings for better performance.
How does the video address the impact of thermal throttling on GPU?
While the focus is on CPU, the video notes that the same principles apply to GPUs, ensuring that both components benefit from proper thermal management.