i7 4770k frequency dropping even during high usage?

Abukuma · Feb 19, 2014

cpu: i7 4770k
motherboard: sabertooth z87

we tried to turn off all the c states stuffs and power saving things and its frequency drops and slows downs the pc even during rendering gaming or anything i do

can anybody help?

how do lock my cpu frequency to 3.5ghz and stop it from going down to .799ghz

rolli59 · Feb 19, 2014

Have you checked your temps? Intel Speed step disabled?

Abukuma · Feb 20, 2014

rolli59 :

yes i turn that off but still no changes

rolli59 · Feb 20, 2014

Check your CPU temperature, looks like it may be overheating and thermal throttling.

Abukuma · Feb 20, 2014

rolli59 :

the max temperature is around 60 even in rendering .i use xspc water cooling custom.my problems is that its frequency drops down to 799mhz at ramdom even ifs full load

rolli59 · Feb 20, 2014

Something is causing it either the board or the CPU temp since speed step is turned off (means full speed)!

photonboy · Feb 20, 2014

Abukuma :

How are you observing this?

Other:
1) Try updating your motherboard BIOS, then
2) Click "XMP" and save those settings

I'm aware that power management is still on. I just want to know if this works properly.

*If you still have problems, try changing the CPU MINIMUM Power to 100% in Power Management. That's not guaranteed to work though as it's a slightly different feature.

I've frankly never seen this issue.

photonboy · Feb 20, 2014

Update:
I did find THIS info: http://www.tonymacx86.com/general-help/115677-no-matter-what-i-do-im-stuck-800mhz-i7-4770-ga-z87x-oc-force.html

Specifically:
"just wanted to let you know the following: I also was struggling with the same build as you (same mobo and cpu) and couldn't figure out why the freq wouldn't go above 800MHz. After much playing around, updating BIOS etc etc I realised that there was a switch in the motherboard called TGR that was in position 2, this makes the mobo follow the lowest CPU ratio defined by the CPU, thus the 800MHz. Change it to position 1 which allows the Target frequency to be set by the BIOS Setup (you can check this info in the motherboard User's Manual, page 25.)"

*If that doesn't help, then be aware that I believe the issue is with your MOTHERBOARD somehow. If "XMP" doesn't work, then read your Motherboard MANUAL to see if there's some CPU feature like above.

Again, I still recommend updating the BIOS regardless if an update exists. If not, and still stuck try resetting the CMOS (see manual).

Abukuma · Feb 21, 2014

photonboy :

dude that looks like the solution but but i dont think my motherboard has a TGR thing i cant find that on the manual or the internet. this is my MoBo Sabertooth Z87 http://www.cpusolutions.com/store/pc/ASUS-Desktop-Board-Haswell-SABERTOOTH-Z87-LGA1150-Intel-Z87-Express-Chipset-Socket-H3-LGA-1150-New-p3501.htm#.Uwf9Z_mSySo

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