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Surreals

I7700K running very hot

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Posted · Original PosterOP

hi guys, i'm not the greatest with pc's so you will need to bare with me. i have a i7700k cpu with a H100i cooler, i am looking at overclocking my cpu so iv'e firstly done a stress test, my cpu has already been running hot recently without much happening which i was slightly concerned about when i did the stress test it was sitting at 100 percent load at like 85-90c it then went to 95 and the pc froze... i restarted it and haven't done anything but this has worried me even more. where do i go with this and what potentially could it be. thew RPM on my H100i never seem to go above 1900 even when really hot and at max load. I Also must add i feel like the pc has been way louder recently and goes really loud then quiet then really loud again and the same thing happens over and over.

 

Thanks any help would be massively appreciated. 


 CPU: i9 9900k @5ghz | GPU: Asus Strix 2080Ti OC | Cpu Cooler : Corsair H150i (360mm) | Motherboard: Gigabyte Aorus Pro Z390F  | RAM: ?  | Boot / OS SSD : Evo 256gb Case: NZXT Phantom 530 full tower | PSU: Evga SuperNova Platinum 8 

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19 minutes ago, Surreals said:

i7700k

A notoriously hot CPU, I must add.
 

20 minutes ago, Surreals said:

i am looking at overclocking my cpu so iv'e firstly done a stress test, my cpu has already been running hot

The trick to the 7700K is to undervolt first IMO. Then see how high you can get your clocks. I got mine to 4.5GHz on a small air cooler, with less than stock voltages, never going above 90c under a realistic load.

If you're JUST gaming, it doesn't need to be 100% stable under prime95 for 24 hours. IMO.

 

32 minutes ago, Surreals said:

thew RPM on my H100i never seem to go above 1900 even when really hot and at max load

This is normal for AIO coolers. The efficiency of an AIO is not defined by how fast the fans run, but of the temperature of the liquid that is transferring the heat. If the liquid temps are 30c, it doesn't matter if the fans are running at all or full load (for a short time at least), it will soak up as much heat anyways. You can of course adjust these values and I suggest you do. But it's normal stock behavior.

 


 


Main rig: 8086K // EVGA Z370 Micro // MSI GTX 1080ti Gaming X // 16GB Gskill TridentZ 3200Mhz CL14 // Seasonic Focus+ Gold 650w // a variety of noctua cooling // a total of 2TB of SSDs // Cooler Master Q300L

Secondary rig: 3570K // Asus P8Z77-V LX // Sapphire Pulse RX570 4GB// 16GB HyperX 1600MHz // Cooler Master V650 // 500GB 860 Evo + 2TB BarraCuda // Fractal Meshify C

Audio setup: Audient iD14 // Adam A7X // Sennheiser HD 650 // Sennheiser HD 25-II // Audio Technica M50x

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Posted · Original PosterOP

Thanks i appreciate the help like i said i'm new to all this so taking all what you said in haha, the under voltage bit is where i'm confused do you mind elaborating a little bit 


 CPU: i9 9900k @5ghz | GPU: Asus Strix 2080Ti OC | Cpu Cooler : Corsair H150i (360mm) | Motherboard: Gigabyte Aorus Pro Z390F  | RAM: ?  | Boot / OS SSD : Evo 256gb Case: NZXT Phantom 530 full tower | PSU: Evga SuperNova Platinum 8 

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Posted · Original PosterOP
9 minutes ago, chckovsky said:

A notoriously hot CPU, I must add.

 

By this should it be 65-70c when just browsing etc 


 

 


 CPU: i9 9900k @5ghz | GPU: Asus Strix 2080Ti OC | Cpu Cooler : Corsair H150i (360mm) | Motherboard: Gigabyte Aorus Pro Z390F  | RAM: ?  | Boot / OS SSD : Evo 256gb Case: NZXT Phantom 530 full tower | PSU: Evga SuperNova Platinum 8 

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5 minutes ago, Surreals said:

By this should it be 65-70c when just browsing etc 

Hmm, no that sounds like a bad thermal paste application/forgot to remove sticker underneath cooler/improper mounting of cooler.

 

7 minutes ago, Surreals said:

, the under voltage bit is where i'm confused do you mind elaborating a little bit 

This is an informative video on the concept of undervolting, although he has had his 7700K delidded (and likely applied liquid metal) which means much lower temps than you're likely to get.

 


Main rig: 8086K // EVGA Z370 Micro // MSI GTX 1080ti Gaming X // 16GB Gskill TridentZ 3200Mhz CL14 // Seasonic Focus+ Gold 650w // a variety of noctua cooling // a total of 2TB of SSDs // Cooler Master Q300L

Secondary rig: 3570K // Asus P8Z77-V LX // Sapphire Pulse RX570 4GB// 16GB HyperX 1600MHz // Cooler Master V650 // 500GB 860 Evo + 2TB BarraCuda // Fractal Meshify C

Audio setup: Audient iD14 // Adam A7X // Sennheiser HD 650 // Sennheiser HD 25-II // Audio Technica M50x

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Posted · Original PosterOP
2 minutes ago, chckovsky said:

Hmm, no that sounds like a bad thermal paste application/forgot to remove sticker underneath cooler/improper mounting of cooler.

 

 

I mean going back on that a little bit it goes from like 45 to like 75 up and down constant 
 

 

 


 CPU: i9 9900k @5ghz | GPU: Asus Strix 2080Ti OC | Cpu Cooler : Corsair H150i (360mm) | Motherboard: Gigabyte Aorus Pro Z390F  | RAM: ?  | Boot / OS SSD : Evo 256gb Case: NZXT Phantom 530 full tower | PSU: Evga SuperNova Platinum 8 

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