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Safe OC 8700K temp during Timespy Extreme?

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Posted · Original PosterOP

Does anyone know what a safe, stable, long term high temperature is for the i7 8700K?


Is it 95C like it says on the Intel site for max temp or is that short time and requires lower for long term temps? ? 

CPU: i7 8700K (5.1 GHz OC). AIO: EVGA CLC 280 280mmGPUEVGA XC2 Ultra 2080Ti. PSU: Corsair RM850x 850W 80+ Gold Fully Modular. MB: MSI MEG Z390 ACE LGA 1151. RAM: 32GB Corsair Dominator Platinum RGB (3600 MHz OC). STORAGE: 1TB Samsung 970 Evo Plus M.2 NVMe, 1TB Samsung 860 Evo, 1TB Samsung 860 QVO, 2TB Firecuda 7200rpm SSHD, 1TB WD Blue. CASE: NZXT H510 Elite. FANS: Corsair LL120 RGB 120mm x4. MONITOR: MSI Optix MAG271CQR 2560x1440 144hz. Headset: Steelseries Arctis 5 Gaming Headset. Keyboard: Razer Cynosa Chroma. Mouse: Razer Deathadder Elite. Webcam: Logitech C922x Pro Stream Webcam.

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I wouldn't be comfortable running it over 80c for long period of time.

Main system: i7 8700k 5Ghz / Asus Prime Z370-A / Corsair Vengeance 2x8GB 3000Mhz / Gigabyte RTX2080 Aorus Extreme / EVGA 750W GQ / Fractal Design Meshify C

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At 95-100C the CPU will start throttling itself to drop its temperature, so you want to be under that at all times.

Personally, I prefer my 9900K to top out at 80-85C in the short turbo boost, and 70-75 during longer 100% loads. Normally this is already a little high for me, but the 9900K is just a really hot running chip so I can't do much about it, but that's just me I guess.

During Time Spy Extreme ideally you shouldn't see temps jump over ~70C, as it's mostly meant to stress the GPU, not to pin the CPU to 100% load, so you want to have some headroom for when the CPU will actually be running at 100% (when rendering, stress testing, etc).

Desktop: Intel Core i9-9900K | be quiet! Dark Rock Pro 4 | ASUS Strix Z390-F | Corsair Vengeance LPX 32GB 3000MHz CL15 | Intel 660p 1TB | Samsung 860 EVO 500GB | Western Digital Green 2TB | Corsair RM650x | EVGA GeForce RTX 2070 SUPER XC Ultra | Fractal Design Define R6 Blackout

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90-95°C are long-term temperature ceiling assuming you have sane voltages on it (sub 1.4V, preferably around 1.32-1.35V), short-term ceiling may be even higher. I wouldn't worry with anything sub 90°C.

Tag or quote me so i see your reply

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95°C is fine for long term on stock. 

But for OC you definitely want to keep it lower, preferably at around 75°C to 80°C since you will also be pushing higher voltage. 

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