[SOLVED] why core i7 10700k running at 4.7Ghz ?

[jubayer ahmed]

My new pc (i7 10700k) is running at 4.7Ghz ,,, but it has a base frequenct of 3.6Ghz.. shouldn't it run lower than 4.7Ghz ,,(i only browse website and social media ,,, i don't play any game)

 

[tennis2]

base clock = lowest operating frequency under load. Desktop CPUs will almost always run at their boost clocks under load indefinitely. Laptop CPUs will do boost clocks for a short duration under load, then power-throttle down to base clock.

4.7GHz is the correct frequency for a 10700K.

 

[jubayer ahmed]

base clock = lowest operating frequency under load. Desktop CPUs will almost always run at their boost clocks under load indefinitely. Laptop CPUs will do boost clocks for a short duration under load, then power-throttle down to base clock.

4.7GHz is the correct frequency for a 10700K.

My CPU(i7 10700k,,,,) is running at 60 to 64degree celcious ,, is it normal ..i google it and it says under full load CPU temperature of i7 10700k should be 50 to 65degree celcious .

but i not even using it at half load,, so what's the problem here?

 

[tennis2]

There's no problem.

Anything less than 75C is nothing to worry about.

CPU temp needs to quantified in many ways:

• what's the room temp
• what cpu cooler are you using
• what is the cooler fan rpm at said CPU temp
• what is the case airflow situation (case model, # of fans, location of fans, direction of fans)
• what GPU is in the system

 

[TerryLaze]

My CPU(i7 10700k,,,,) is running at 60 to 64degree celcious ,, is it normal ..i google it and it says under full load CPU temperature of i7 10700k should be 50 to 65degree celcious .

but i not even using it at half load,, so what's the problem here?

The motherboard applied very bad settings, go into your bios, search for mce and disable it so that your CPU only runs high clocks when you actually do something.

Best thing would be to find a guide for setting up your mobo model.

 

[tennis2]

MCE applies the single core turbo speed to all cores when loaded. That's clearly not happening here because that would be 5.1GHz all-core.
MCE doesn't disable intel speed step either. It should "idle" far below 3.6GHz if there's no load

 

[mdd1963]

Once all startup tasks done, all updates/AV scans completed, when in Balanced Power plan, etc., it should idle down to lower clock speeds, sitting mostly at 1200-1400 MHz , with periodic spikes to 5.1 GHz or so, but, with all-core loadings inducing the clock speeds you have observed (4.7 GHz)

It should NOT just sit at 4.7 GHz constantly if at the desktop...

 

[TerryLaze]

MCE applies the single core turbo speed to all cores when loaded. That's clearly not happening here because that would be 5.1GHz all-core.
MCE doesn't disable intel speed step either. It should "idle" far below 3.6GHz if there's no load

That's what mce used to do back in the days.
But that changed, now mce has to follow all core turbo limits, otherwise it's overclocking, but they don't have to follow PL and/or TAU limits, resulting in huge power draws with relatively low clocks.
For how or if it influences speed step I'm not sure but that's why I told him to look up a guide for his particular mobo.

https://www.gamersnexus.net/guides/...erboards-with-default-settings-for-your-build

For example, the 10900K’s max limited-core turbo multiplier is 53x and all-cores is 49x (when the CPU is operating below 70C). Breaking these turbo limits is considered overclocking. Intel also has guidelines for short-term power draw, long-term power draw, and boost duration. These variables are not part of the enforced spec, so breaking the suggested limits is not considered overclocking, and motherboard manufacturers go hog-wild pushing these limits to the highest values that the assigned bytes can hold, resulting in thermals and performance that are completely out-of-whack with what the processor’s listed capabilities would suggest. For example, the 10900K will run at 4.9GHz under an all-core load forever in many boards, whereas our stock testing with Intel stock limits applied showed the CPU running at 4.1-4.2GHz across all cores after 56 seconds elapsed.

 

[tennis2]

You're saying MCE only breaks the PL and Tau limits anymore (which mobo manufacturers have overridden since...forever)?

I'll need to read that article a few more times to fully digest, but it appears to be the case. This just started with 10th gen?

In the past, when Intel CPUs weren't pushed to the limit of power consumption because of 14nm++++++++++++ the tables were actually flipped with AMD compared to now. Nowadays, AMD CPUs' load power draw is closer to the advertised TDP (still about 15-20% greater....but closer comparatively), whereas Intel CPUs are pulling double (or more) the TDP in turbo modes (Intel's TDP is the power draw at the advertised "base" frequency...which desktop CPUs almost always exceed under load). However, I'm not aware of any Tau limits imposed by AMD. IIRC, their frequency is fully derived from jct temp. As long as jct temp never exceeds the limit, AMD CPUs will hold their frequency indefinitely (similar to setting the Intel Tau limit to infinity). And in fact, leaving MCE enabled (breaking stock PL and Tau limits) most closely matches AMDs methods in my understanding.

 

[TerryLaze]

Nowadays, AMD CPUs' load power draw is closer to the advertised TDP (still about 15-20% greater....but closer comparatively), whereas Intel CPUs are pulling double (or more) the TDP in turbo modes

TDP is the cooling you need not the power you draw, for turbo intel uses twice the TDP if there has been enough time beforehand at low usage for the CPU to be at low enough temps and only for the amount of TAU so that total TDP is being kept.

A way more detailed explanation of turbo/power budget
https://www.anandtech.com/show/1487...ing-perception-with-amds-frequency-metrics-/2