How severe are high CPU temperatures? Looking for guidance.
How severe are high CPU temperatures? Looking for guidance.
Well I see, I kinda think maybe something is still wrong with the setup - maybe not, who knows... As for your question, I think ~95c won't be so good for the CPU and other components in the long run, but it won't damage them directly either, just more wear, you know? BTW, just as example here's my case's airflow, which BTW is supposed to be very bad (which is of course nonsense) It's a pretty special case tho (inwin 301 m-atx) that is designed differently than most cases so I'm not sure how applicable that is for you. Two front intakes, one exhaust... PSU directly above the CPU acts as another exhaust (pretty clever imo) Intake directly under the GPU, with space for another! (with dust filter of course)
@Mark Kaine Here's a pic of mine. I've got an MSI Bazooka V2 (Micro-ATX). There's a second exhaust fan directly above the CPU cooler that you can only barely see, and I removed the 3rd case fan for cable management (after much testing, I kid you not, the 3rd fan did not make an appreciable difference. Sounds crazy, but it really didn't). Mind you, the 95C temps are only spikes (aka, the "Max" column in CPUID). The average temps are 83-88C. There's also a pic of the front of my case. As you can see, it ain't great for air flow lol
That sounds quite alike to what I have. You might still fit two additional intake ports—there are holes and screw holes too!? (I’m not sure exactly, but it looks like there’s a PSU underneath.) I think you’re right, but I’d suggest adding another intake as well. I’d recommend Noctua Chromax fans—they’re affordable and perform well. Just two intakes alone cut my PC temps down about 10°C compared to before. Regarding the boost settings, I’m not entirely sure. I didn’t enable any CPU boost and it still occasionally reaches 4.2GHz. So maybe your setup isn’t the issue. The Chromax fans are budget-friendly at around 12€ each and they’re really impressive!
I’m discussing the "Boost"/"turbo" settings as the default CPU configuration. Starting at a base speed of 3.6GHz, it can boost up to 4.2GHz. It handles that increase smoothly, even with this case, though performance drops noticeably. Running games without turbo (at 3.6) works surprisingly well, but FPS still lag behind. I’ve seen occasional slowdowns in Minecraft when it’s at 3.6, especially with the GPU under heavy shader load. Switching to a better case fan might help. A 12 Euro upgrade would likely cost around $15 USD—reasonable. If that doesn’t work, consider the impact on your health over time.
Running the CPU at high temperatures isn’t harmful if done correctly. Just avoid pushing it beyond its intended limits. As long as it operates within design specifications, damage should remain unlikely.
You're right, the cooler placement still raises some questions. It's not just about having two intake fans; there are other factors at play. Running components that generate more heat will generally have a shorter lifespan compared to cooler ones, even if they meet specifications. Just because it's within recommended limits and won't cause immediate damage doesn't guarantee long-term stability. A 14-hour workweek might seem minor, but over time it can add up.
In theory, a CPU could operate reliably for decades without problems, regardless of temperature extremes. In reality, manufacturing flaws cause silicon issues that lead to electrical failures. A durable CPU can withstand high temperatures without significant damage. Conversely, a defective CPU may break down quickly even at moderate heat. Heat also affects auxiliary components like fans, power supplies, and hard drives, which can degrade over time. Overall, heat tends to expose weaknesses in electronics, resulting in earlier and more frequent failures.
I kept it simple and relied on general logic. I mentioned "on average" because it reflects a typical situation. It shouldn’t cause an immediate issue, but over time the chances increase, especially with rising temperatures.
I verified the cooler earlier and even reapplied the thermal paste. No issues detected. Thanks to everyone for your responses! I’m considering letting it run hot, even though it might shorten the CPU’s life. By then, I’ll probably have upgraded anyway.