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Rampage IV Extreme wont run stock I7 3930K settings?

post #1 of 23
Thread Starter 
So just got the board and CPU for the Birthday threw it all together and now am quite confused.

CPU runs at 3800 with all cores maxed out.... I though default all cores would run at 3200 but I can not get it to run that way for the life of me... So what is going on? I dont have a single Overclock setting enabled as far as I know... I just want stock for now...
post #2 of 23
If you have Turbo enabled in the BIOS, under load the processor will go up to 3.8GHz by default. You can turn off Turbo if you really wanted, but there is no reason to, it's nice to have and gives a little extra performance when you need it.

Also consider you will have Speedstep enabled by default in the BIOS, which will downclock the CPU when you aren't utilizing it, so don't be worried if you see your CPU frequency very low, either. thumb.gif
    
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post #3 of 23
Thread Starter 
I guess let me start by...

I7 2600K if two cores are active it runs at 3800, if any more are active it runs at 3400 correct?

I7 3930K if ___ cores are active it runs at 3800, if any more are active it runs at 3.2 correct?

So why does mine jump up to 3800 with all 6 cores(and HT) active???

I just want stock for now.
post #4 of 23
Thread Starter 
Not trying to be rude or anything... just want to fix and go to bed...
post #5 of 23
Quote:
Originally Posted by S197Mach1 View Post

I guess let me start by...

I7 2600K if two cores are active it runs at 3800, if any more are active it runs at 3400 correct?

I7 3930K if ___ cores are active it runs at 3800, if any more are active it runs at 3.2 correct?

So why does mine jump up to 3800 with all 6 cores(and HT) active???

I just want stock for now.

That is stock. It's totally fine.

When Intel CPU's have Speedstep and Turbo enabled, it changes the clock speed depending on load. All cores are enabled at all times, unless you specify otherwise.

For example, my work PC's CPU (3570k), just sitting on the desktop is running at 1600MHz (1.6GHz). If I start moving the mouse/doing stuff, it goes up to between 1620MHz (1.7GHz) and 1800MHz (1.8GHz), as it's only under a light load, so it doesn't need to run at full whack, so to speak. This is Speedstep at work, downclocking to save energy/reduce heat when you aren't using it, then clocking back up when you need the processing power.

Turbo on the other hand gives you more performance over the base max clock speed when you need it. For example, if I launch an intensive game, Speedstep will clock my CPU up to 3.4GHz, as that is the CPU's rated speed, then, if needed, Turbo will take over and clock it to anything up to 3.8GHz (Max turbo speed) depending on the load/if it is needed.

http://ark.intel.com/products/63697/Intel-Core-i7-3930K-Processor-12M-Cache-up-to-3_80-GHz?q=3930

Look at the Clock speed/Max Turbo frequency, should help you understand a little more. There is no reason to run at full speed all the time, it'd be a waste, which is why these features exist. smile.gif
Edited by SmokinWaffle - 3/13/13 at 3:25am
    
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post #6 of 23
Mult-threaded apps/benchmarks, mine goes up on all cores to 3.8GHz @ stock settings (Turbo enabled, Speed step..etc). So its normal.
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post #7 of 23
Go into the bios and disable Turbo.

Advanced/ Cpu Configuration/ Cpu Power Management Configuration/ Turbo, to disabled.
    
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post #8 of 23
Thread Starter 
Right I understand that the turbo setting is supposed to bump the system up to 3800mhz but I'm under the impression that is only under light load(not all cores utilized). Under heavy load(all cores utilized) the system would max out at 3200mhz? I'm basing this off of my experience with my 2600k. I would see it under full load only hit 3500mhz, stock settings which turbo would be enabled.

So if I'm missing the boat on this one please correct me.
post #9 of 23
http://ark.intel.com/products/63697/Intel-Core-i7-3930K-Processor-12M-Cache-up-to-3_80-GHz

Max turbo frequency is the Maximum Clock Speed the processor is capable of operating at using Intel® Turbo Boost Technology (3.8ghz)
3.2ghz is stock and 3.8ghz is turbo. under any load it may jump to 3.8ghz.

it's normal.
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post #10 of 23
Thread Starter 
Right I got that, no problems with that.

"under any load it may jump to 3.8ghz." so these chips operate differently than the 2600k?

My 2600k would never hit 3.8ghz... the max i ever saw under a full load was 3.5ghz.

Also when the cpu is churning away at 3.8ghz temps are in the 70*c and 3.2ghz 50*c using a push pull hyper 212 evo... normal? CPU volts at 3.8ghz read around 1.3 also.

I just have this feeling that the chip is not acting normally, thoughts?
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