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Please help with my CPU overclock issue...

atomicus
By atomicus
in CPUs, Motherboards, and Memory
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I don't understand what's going on. I have a 5820k, Asus X99-S mbd with 16GB 2400mhz RAM.

 

According to the BIOS and the auto overclock feature, the CPU is running at 4125mhz.

 

So why is Core Temp in Windows showing a speed that is bouncing around 1500mhz-2000mhz (sometimes jumping close to 3000). CPU-Z is the same, although it seems more steady at 1500, but then once every now and again will jump up to 4129!

 

What intel is going on here!? [see what I did there lol]

 

I'm admittedly a newb to overclocking so I'm very confused. 

 

:wacko:

System: Ryzen 7 5800X - Gigabyte X570 Aorus Master - Noctua D15S Chromax - 32GB 3600 RAM - EVGA Black 2080Ti

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Sounds like C1E, or Intel Speedstep is on, its a power saving feature that downclocks the CPU when its idle but ramps it up according to a certain amount of load it may experience. About 30% load and up is enough to ramp the CPU clock back to the overclock

System: Intel Core i3 3240 @ 3.4GHz, EVGA GTX 960 SSC 2GB ACX 2.0, 8GB 1600MHz DDR3 Kingston HyperX RAM, ASRock B75M-DGS R2.0 Motherboard, Corsair CX430 W Power Supply

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Sounds like C1E, or Intel Speedstep is on, its a power saving feature that downclocks the CPU when its idle but ramps it up according to a certain amount of load it may experience. About 30% load and up is enough to ramp the CPU clock back to the overclock

 

Ah OK, that explains it then. I thought something was wrong lol! So is that a good or bad thing? Should I turn it off or does it make sense to leave that running for optimal efficiency?

System: Ryzen 7 5800X - Gigabyte X570 Aorus Master - Noctua D15S Chromax - 32GB 3600 RAM - EVGA Black 2080Ti

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Propably because of the energy save options (C states etc etc) from bios. Try deactivate them and do a stability test to be sure is it safe :-) I think bios always pushing the pedal to the medal for stability reasons. Mine 4690k always hit 4.3 on bios but only hit 4.3 on 100% use in the OS (All power savings are on)

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Ah OK, that explains it then. I thought something was wrong lol! So is that a good or bad thing? Should I turn it off or does it make sense to leave that running for optimal efficiency?

You can leave it on, shouldnt cause any problems to an auto overclock

System: Intel Core i3 3240 @ 3.4GHz, EVGA GTX 960 SSC 2GB ACX 2.0, 8GB 1600MHz DDR3 Kingston HyperX RAM, ASRock B75M-DGS R2.0 Motherboard, Corsair CX430 W Power Supply

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