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Speedstep/Turbo Boost/C-State questions

post #1 of 3
Thread Starter 
I've noticed that my 4.5GHz 2600K OC leaves my clock speeds at 4.5GHz all the time, even during idle. I'd like the speeds to decrease, and only go up when gaming or doing video/photo work. I had Turbo Boost disabled the entire time, and have recently enabled it. C-State was also disabled, so I went ahead and enable that, too.

In idle, the speeds will by at about 1.6GHz. As soon as I do anything, it'll just up to 4.5GHz and then go back down. By anything, I mean right-clicking, opening an Explorer window, opening Chrome, etc.

Is this normal, and I shouldn't worry, or is there something else that I can do?

Specs are in my signature.
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Current Build
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-2600K MSI Z68A-GD80 (B3) SAPPHIRE 7950 G.SKILL RipjawsX DDR3 1600 PC12800 (16GB: 4x4GB) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate Barracuda 1TB 6Gbps 7200RPM (HDD) Kingston 120GB 6Gbps HyperX 3K (SSD) Seagate 600 Pro 200GB 6Gbps (SSD) LITEON DVD/CD Burner 
CoolingOSMonitorKeyboard
Cooler Master Hyper 212+ Windows 10 Professional x64 Acer P244W 24" 1080p CM STORM Devastator 
PowerCaseMouseMouse Pad
Corsair CX750M Enermax Hoplite ST (White) CM STORM Devastator SteelSeries QcK 
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post #2 of 3
I would be very careful with enabling turbo core. Just make sure it isn't overvoltaging the CPU underload. to answer your question I think speedstep is the part that gives you the broad range of frequencies based on load. Turbo core only has two states.
Sandy Thunder
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QuickSilver X1
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i7-3930k C1 4.6GHz @1.344v Sabertooth X79 2x EVGA GTX 560 Ti SC SLI 900/2106 Dominator 1866 16GB 9-10-9-27 
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Sandy Thunder
(18 items)
 
QuickSilver X1
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7-3930k C1 4.6GHz @1.344v Sabertooth X79 2x EVGA GTX 560 Ti SC SLI 900/2106 Dominator 1866 16GB 9-10-9-27 
Hard DriveHard DriveCoolingOS
Crucial M4 64GB 'Cuda 320GB XSPC Rasa 750 RX240 push/pull + Alphacool UT60 ... Win 7 Pro x64 
MonitorMonitorMonitorKeyboard
Asus VE198D 19" Samsung 920NW 19" Samsung 906BW 19" Logitech G510s 
PowerCaseMouseMouse Pad
Corsair HX850M Carbide 400R Cyborg M.M.O. 7 Corsair MM200 
AudioOther
Bose Music Monitor Nuforce Icon HDP 
CPUMotherboardGraphicsRAM
Phenom II x6 1090T BE Sabertooth 990FX Radeon HD 5770 1GB Corsair Veangence Blue 
Hard DriveOptical DriveCoolingOS
WD Caviar Black 1TB  Lite ON 16x DVD-R/RW ThermalRight Silver Arrow Windows 7 Professional 64 bit 
MonitorKeyboardPowerCase
Syncmaster 921BW 19" & Syncmaster 965 19" and S... Apple aluminum wired keyboard Corsair TX650 Silverstone TJ05 with window and thermal contro... 
MouseMouse PadAudio
logitech mx air None Monsoon MM-700 
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post #3 of 3
Thread Starter 
Thanks for the reply. I disabled Turbo Boost and left only speedstep enabled (which has been the entire time), but it's still going from either 1.6GHz or 4.5GHz.

Disabling speedstep will also disable Turbo Boost, which can't be enabled.

Oh well. I'll just live with it. Not a big deal.
Edited by besweeet - 10/19/11 at 2:31pm
Current Build
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-2600K MSI Z68A-GD80 (B3) SAPPHIRE 7950 G.SKILL RipjawsX DDR3 1600 PC12800 (16GB: 4x4GB) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate Barracuda 1TB 6Gbps 7200RPM (HDD) Kingston 120GB 6Gbps HyperX 3K (SSD) Seagate 600 Pro 200GB 6Gbps (SSD) LITEON DVD/CD Burner 
CoolingOSMonitorKeyboard
Cooler Master Hyper 212+ Windows 10 Professional x64 Acer P244W 24" 1080p CM STORM Devastator 
PowerCaseMouseMouse Pad
Corsair CX750M Enermax Hoplite ST (White) CM STORM Devastator SteelSeries QcK 
  hide details  
Reply
Current Build
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-2600K MSI Z68A-GD80 (B3) SAPPHIRE 7950 G.SKILL RipjawsX DDR3 1600 PC12800 (16GB: 4x4GB) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate Barracuda 1TB 6Gbps 7200RPM (HDD) Kingston 120GB 6Gbps HyperX 3K (SSD) Seagate 600 Pro 200GB 6Gbps (SSD) LITEON DVD/CD Burner 
CoolingOSMonitorKeyboard
Cooler Master Hyper 212+ Windows 10 Professional x64 Acer P244W 24" 1080p CM STORM Devastator 
PowerCaseMouseMouse Pad
Corsair CX750M Enermax Hoplite ST (White) CM STORM Devastator SteelSeries QcK 
  hide details  
Reply
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