Overclock.net › Forums › Intel › Intel CPUs › i5 2500k offset voltage or manual voltage?
New Posts  All Forums:Forum Nav:

i5 2500k offset voltage or manual voltage?

post #1 of 5
Thread Starter 
I notice when I use offset voltage default setting on my bios i5 2500k oc at 4.0ghz require atleast 1.280v when I run prime 95 but when i manually set my voltage at 1.180v it works fine with out any problem %100 stable.

So I'm wondering if I use manual voltage setting for my i5 2500k cpu it won't under volt when the cpu is idl it will be running at 1.180v always.

and if I use offset voltage setting for my cpu it using way to much voltage which isn't require to run at 4.0mhz speed.

Is there way I can run my cpu at 4.0mhz with 1.180v and when the cpu is idle it will under volt automatic like offset setting?

My computer spec
i5 2500k
asus p8p67
8gb ram
6870 1gb
post #2 of 5
If you use the "offset" method, you'll keep the power-saving technologies enabled, that's the only difference. A CPU needs more Vcore to ensure stable operation when it scales back and forth from full speed to idle speed.
Centurion
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 940 @3.3GHz 1.25V Gigabyte 790X-DS4 XFX 5850 8GB OCZ DDR2-800 
Hard DriveCoolingOSMonitor
Corsair Force 3 TRUE Win 7 Pro x64 ACER 23" TN  
PowerCase
400W Silverstone Strider Antec P182 
  hide details  
Reply
Centurion
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 940 @3.3GHz 1.25V Gigabyte 790X-DS4 XFX 5850 8GB OCZ DDR2-800 
Hard DriveCoolingOSMonitor
Corsair Force 3 TRUE Win 7 Pro x64 ACER 23" TN  
PowerCase
400W Silverstone Strider Antec P182 
  hide details  
Reply
post #3 of 5
Thread Starter 
Quote:
Originally Posted by dragosmp;12293884 
If you use the "offset" method, you'll keep the power-saving technologies enabled, that's the only difference. A CPU needs more Vcore to ensure stable operation when it scales back and forth from full speed to idle speed.
so If i use manual setting in bios set my voltage too 1.180 when my cpu is idle there is no way it can undervolt like offset setting does?

using offset voltage use way to much voltage to run at 4.0mhz which isn't necessary, 4.0mhz requiring 1.290v while running prime 95 with offset setting is seems overkill.
post #4 of 5
I use offset and my 2500k runs 4.5Ghz @ 1.296 (highest I have ever seen).
post #5 of 5
I'd use offset if I was you. It may be selecting an upper end voltage that is more than necessary for 4.0Ghz, but that voltage is still relatively low and no cause for concern.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i5-2500k @ 5.0Ghz 1.480v Asus P8P67 Radeon HD 4850 Gskill Sniper (2x4GB) DDR3-1600 CL9 
OSPowerCase
Windows 7 64bit Antec TruePower New 650 Antec Nine Hundred Two v3 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i5-2500k @ 5.0Ghz 1.480v Asus P8P67 Radeon HD 4850 Gskill Sniper (2x4GB) DDR3-1600 CL9 
OSPowerCase
Windows 7 64bit Antec TruePower New 650 Antec Nine Hundred Two v3 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Intel CPUs
Overclock.net › Forums › Intel › Intel CPUs › i5 2500k offset voltage or manual voltage?