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i5-14600K High temperature only with Turbo Mode

Miro_
Beginner
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Hello, i recently changed from a i5-12400F processor to a i5-14600K one and i have been having some temperature problems which only seem to appear once i enable Turbo Mode from BIOS, basicly when i have Turbo off my CPU might get to 55-65°C when i am playing some games and it is very stable in that specific range, however once i toggle Turbo mode temperatures can jump up to 91 °C and it has been a few times around 98°C and a software called HWiNFO tells me that Thermal Throttling is happening which forces me to turn off my PC and switch off Turbo because i don't want to cause any damage to anything, my old CPU with Turbo on i don't remember exact temperatures but i know there was not this big of a difference in temp and the range of the temperatures.

The thing that concerns me is not just the high temperature, but also the range of it, as an example my CPU sometimes is at 65-70 °C which is expected and it jumps in the blink of an eye to 91 °C then back down and this keeps happening constantly when i play something, basicly very unstable, i don't really know much about troubleshooting stuff like this and don't know where to look for possible fixes, i even recently purchased a new CPU cooler which was recommended to me because apparently my old one was not sufficient enough, all i know is that my P-cores specifically go up to high temps and i will put a screenshot below of them.

I have downloaded latest BIOS update to fix some voltage issues or whatever the known problem is called for my CPU, i even fully reinstalled Windows a while ago which was not because of the CPU but i wanted to start fresh, i have messed around with fan curves to see if they help but i don't see a good enough difference and i have tried seating my cooler again to see if i did it wrong and i have not forgotten to remove the plastic film on the cooler, when i'm idle it seems the temperatures are good and stable so only when i play or do something resource heavy with Turbo on temperatures go super high.

PC does not shut down, no blue screens or anything like that.

CPU: i5-14600K
CPU cooler: Thermalright Peerless Assassin 120 SE ARGB
Motherboard: ASUS Prime B760-Plus D4
Ram: Kingston Fury Renegade DDR4 2x16GB 3200 MHz (XMP on)
SSD: 2TB WD Black SN770 M.2 NVMe SSD + 512 GB WD Black SN740 M.2 NVMe SSD
GPU: Gigabyte GeForce RTX 4060 GAMING OC 8GB
PSU: Corsair CX650 ATX 650W
Chassis: Phanteks XT Pro Ultra

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pressed_for_time
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One of the features of many modern games is that they decompress resources such as shaders not only when the game is launched but also at intervals throughout the game. Because Steam is the most common delivery method for games there is pressure on game developers to keep download sizes to an absolute minimum. This leads to not only the compression of as many game resources as possible but compression to ultra high levels. Naturally ultra high level compression means ultra high decompression and this can place extremely high loads on a CPU, although sometimes only for a brief period. This could explain some of the temperature peaks you are seeing.

Performance-wise the 14600K is a a significant step up from the 12400F you had before. Maximum turbo speed is up from 4.40 GHz to 5.30 GHz for the performance cores. The 14600K has eight Efficient cores, these also turbo to a maximum of 4.00 GHz. I incidentally have the same CPU and like you I use an air cooler.

One of the issues with HWINFO64 is that it can give a false impression of what temperatures actually are. Your screenshot shows maximum temperatures of 91C but there is no indication on this occasion of any thermal throttling. That's because some of these HWINFO64 maximums only occur for a brief instant.

There is a facility to graph these temperatures in HWINFO64 and this can show a very different picture. For example the graph shown below is of CPU Package in HWINFO64 generated during the use of the Intel Processor Diagnostic Tool. This tool does stress the CPU from the outset. The CPU Package maximum temperature was recorded by HWINFO64 as 91C.

The HWINFO64 graph shows how brief this maximum can be (70, 80 and 90C numbers added to normal graph - Maximum wording also added)

hwinfo64.png

It also shows that for most of the time the CPU Package temps were between 80 and 85C. So your temperatures seem to me to be about right.

Thermal throttling is something that can happen with a CPU if it is heavily loaded. HWINFO64 shows thermal throttling of various sorts. The program was modified to show the percentage of throttling and as it displays this information in red it can seem more alarming that it actually is. I would certainly not shut down a PC over it or turn off turbo mode. Thermal throttling is an automatic safeguard built into the CPU to prevent it overheating. The CPU downclocks which can reduce performance but does protect the processor.

The 14600K is rated for a maximum of 100C at the processor die. Again I think HWINFO64 is triggering thermal throttling warnings for what are often brief instances or periods. If I was not monitoring these temperatures there would be no indication in the use of the PC of anything out of the ordinary.

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