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Overclocking 8700K - Low performance(?) help!

i_build_nanosuits
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Hi guys,

So i've got this 8700K on the ASUS Z370-e Gaming Strix motherboard...i've set XMP profile for memory...dialed in 50 multiplier for all cores and set 1.3v as Vcore.

I run Cinebench R15 and i get around 1440 points every time which is wierd because i think i should be more around 1600 points...RAM is 3000mhz

 

What is wrong here? please help!

 

 

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| CPU: Core i7-8700K @ 4.89ghz - 1.21v  |  Motherboard: Asus ROG STRIX Z370-E GAMING  |  CPU Cooler: Corsair H100i V2 |
| GPU: MSI RTX 3080Ti Ventus 3X OC  |  RAM: 32GB T-Force Delta RGB 3066mhz |
| Displays: Acer Predator XB270HU 1440p Gsync 144hz IPS Gaming monitor | Oculus Quest 2 VR

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But then when i run other benchmark...i think it,s performing fine...?!

it's like only cinebench perform poorly...

 

image.thumb.png.ed90e555fa15da577bd447181d077ca9.png

| CPU: Core i7-8700K @ 4.89ghz - 1.21v  |  Motherboard: Asus ROG STRIX Z370-E GAMING  |  CPU Cooler: Corsair H100i V2 |
| GPU: MSI RTX 3080Ti Ventus 3X OC  |  RAM: 32GB T-Force Delta RGB 3066mhz |
| Displays: Acer Predator XB270HU 1440p Gsync 144hz IPS Gaming monitor | Oculus Quest 2 VR

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This is cinebench single-thread...is that a normal score?

 

3.PNG

| CPU: Core i7-8700K @ 4.89ghz - 1.21v  |  Motherboard: Asus ROG STRIX Z370-E GAMING  |  CPU Cooler: Corsair H100i V2 |
| GPU: MSI RTX 3080Ti Ventus 3X OC  |  RAM: 32GB T-Force Delta RGB 3066mhz |
| Displays: Acer Predator XB270HU 1440p Gsync 144hz IPS Gaming monitor | Oculus Quest 2 VR

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Your single thread score is fine. It should be around 215 for 5Ghz. However, your multi thread score should be around 1600-1650. HWInfo64 shows 5 of the 6 cores dropping to 4.8Ghz. It seems like you are being power limited to 95W.

 

Try changing the power limits in BIOS.

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1 hour ago, badreg said:

Your single thread score is fine. It should be around 215 for 5Ghz. However, your multi thread score should be around 1600-1650. HWInfo64 shows 5 of the 6 cores dropping to 4.8Ghz. It seems like you are being power limited to 95W.

 

Try changing the power limits in BIOS.

yeah i did that..didn't fixed it...

BUT, i've found that if i set Cinebench to run in real time priority in task manager a i get a much better score...so i guess i have something eating up ressources but i don't see what...every program doesnt use CPU much at all...wierd

 

image.png.ddfb830d1ffa59c538779a5071ba2167.png

| CPU: Core i7-8700K @ 4.89ghz - 1.21v  |  Motherboard: Asus ROG STRIX Z370-E GAMING  |  CPU Cooler: Corsair H100i V2 |
| GPU: MSI RTX 3080Ti Ventus 3X OC  |  RAM: 32GB T-Force Delta RGB 3066mhz |
| Displays: Acer Predator XB270HU 1440p Gsync 144hz IPS Gaming monitor | Oculus Quest 2 VR

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