Overclock.net › Forums › Intel › Intel CPUs › CPU-Z voltage or BIOS voltage?
New Posts  All Forums:Forum Nav:

CPU-Z voltage or BIOS voltage?

post #1 of 5
Thread Starter 
I've had my GIGABYTE 965P DS3 for four years now and overtime, it has been creating this insane voltage drop.

BIOS: 1.5250v
CPU-Z: 1.475v idle; 1.408v under load.

I've been away for a while recently, so I would like to know. Which voltage monitor is more accurate? BIOS or CPU-Z?
Main
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 3570K ASRock Z77 Pro3 Galaxy 560Ti G.Skills DDR3 
Hard DriveOSMonitorPower
WD Cavier 250GB + SimpleTech 320GB EXHDD Windows 7 x64 Samsung 19" SyncMaster 940BW OCZ 600w GameXStream 
Case
COOLER MASTER Centurion 5 
  hide details  
Reply
Main
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 3570K ASRock Z77 Pro3 Galaxy 560Ti G.Skills DDR3 
Hard DriveOSMonitorPower
WD Cavier 250GB + SimpleTech 320GB EXHDD Windows 7 x64 Samsung 19" SyncMaster 940BW OCZ 600w GameXStream 
Case
COOLER MASTER Centurion 5 
  hide details  
Reply
post #2 of 5
BIOS voltage.
The New One
(19 items)
 
Ocing rig z97
(9 items)
 
 
CPUMotherboardGraphicsRAM
6700k Gigabyte Z170X Ulta Gaming GTX 1080 HoF Mushking 4*4GB 
Hard DriveHard DriveHard DriveHard Drive
Crucial M4 Crucial M500 Itachi Desktar Itachi Desktar 
Hard DriveCoolingOSMonitor
Toshiba Raystorm Pro CPU Windows 10 Professional BenQ XL2420Z 
KeyboardPowerCaseMouse
Thermaltake Corsair AX1200i HAF X Thermaltake Saphira 
Mouse PadAudioOther
QCK Gamecome 780 APC 1500VA 
CPUMotherboardGraphicsRAM
Intel Core G3258 Gigabyte Z97X SOC Force ASUS GTX 760 Striker Platinum G.Skill TridentX 
Hard DriveCoolingOSOS
Crucial MX100 Extreme cooling Windows 7 Pro x64 Windows XP Pro SP3 x86 
Power
EVGA SuperNOVA 1300V G2 
CPUMotherboardGraphicsRAM
Phenom II X6 1090T Gigabyte 890FXA-UD5 ASUS GTX 760 Striker Platinum Crucial Ballistix Tracer 
RAMHard DriveHard DriveHard Drive
G.Skill Trident Crucial M4 Itachi Desktar Itachi Desktar 
Hard DriveHard DriveOptical DriveCooling
Crucial M500 Toshiba LG EK Supreme HF Full Nickel 
CoolingCoolingCoolingOS
Swiftech MCR-320QP Swiftech MCP655-D XSPC Reservoir Windows 7 Professional 
MonitorKeyboardPowerCase
BenQ XL2420z TT eSports Meka G1 Corsair AX1200i Cooler Master HAF X 
MouseMouse PadAudioOther
TT eSports Saphira QCK+ Creative Sound Blaster Recon3D Fatal1ty Profess... Plantronics GameCom 780 
  hide details  
Reply
The New One
(19 items)
 
Ocing rig z97
(9 items)
 
 
CPUMotherboardGraphicsRAM
6700k Gigabyte Z170X Ulta Gaming GTX 1080 HoF Mushking 4*4GB 
Hard DriveHard DriveHard DriveHard Drive
Crucial M4 Crucial M500 Itachi Desktar Itachi Desktar 
Hard DriveCoolingOSMonitor
Toshiba Raystorm Pro CPU Windows 10 Professional BenQ XL2420Z 
KeyboardPowerCaseMouse
Thermaltake Corsair AX1200i HAF X Thermaltake Saphira 
Mouse PadAudioOther
QCK Gamecome 780 APC 1500VA 
CPUMotherboardGraphicsRAM
Intel Core G3258 Gigabyte Z97X SOC Force ASUS GTX 760 Striker Platinum G.Skill TridentX 
Hard DriveCoolingOSOS
Crucial MX100 Extreme cooling Windows 7 Pro x64 Windows XP Pro SP3 x86 
Power
EVGA SuperNOVA 1300V G2 
CPUMotherboardGraphicsRAM
Phenom II X6 1090T Gigabyte 890FXA-UD5 ASUS GTX 760 Striker Platinum Crucial Ballistix Tracer 
RAMHard DriveHard DriveHard Drive
G.Skill Trident Crucial M4 Itachi Desktar Itachi Desktar 
Hard DriveHard DriveOptical DriveCooling
Crucial M500 Toshiba LG EK Supreme HF Full Nickel 
CoolingCoolingCoolingOS
Swiftech MCR-320QP Swiftech MCP655-D XSPC Reservoir Windows 7 Professional 
MonitorKeyboardPowerCase
BenQ XL2420z TT eSports Meka G1 Corsair AX1200i Cooler Master HAF X 
MouseMouse PadAudioOther
TT eSports Saphira QCK+ Creative Sound Blaster Recon3D Fatal1ty Profess... Plantronics GameCom 780 
  hide details  
Reply
post #3 of 5
Quote:
Originally Posted by saint19;12321595 
BIOS voltage.

Wrong.

The CPU-Z voltage may not be 100% accurate, but it's more accurate than the voltage set in BIOS by a long shot. All motherboards have some sort of vDrop and vDroop. vDrop being the difference between what you set in the BIOS, and what shows up as the idle voltage. vDroop is the difference between idle and load voltages. It's a safety precaution designed by Intel.

You can read more about it here.
    
CPUMotherboardGraphicsRAM
Intel Core i5 4690K MSI Z97 Mpower MSI GTX 770 Lightning Mushkin Blackline 2x8GB DDR3-2400 
Hard DriveOptical DriveCoolingOS
840 Pro 128GB + WD 640GB Black + WD 1TB Black +... Samsung SH-S203N DVD-RW Phanteks PH-TC14PE_BK w/ 2x SP120's Windows 7 Professional x64 
MonitorKeyboardPowerCase
ASUS VE258Q 25" LED Corsair K70 RGB (Cherry MX Red's) Corsair HX750 Silverstone TJ04-E w/ Window 
MouseMouse PadAudioAudio
Logitech G5 v1 X-ray Thunder 9 smooth ASUS Xonar Essence STX Numark NPM5's + Dayton SUB-1200 12" sub 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Intel Core i5 4690K MSI Z97 Mpower MSI GTX 770 Lightning Mushkin Blackline 2x8GB DDR3-2400 
Hard DriveOptical DriveCoolingOS
840 Pro 128GB + WD 640GB Black + WD 1TB Black +... Samsung SH-S203N DVD-RW Phanteks PH-TC14PE_BK w/ 2x SP120's Windows 7 Professional x64 
MonitorKeyboardPowerCase
ASUS VE258Q 25" LED Corsair K70 RGB (Cherry MX Red's) Corsair HX750 Silverstone TJ04-E w/ Window 
MouseMouse PadAudioAudio
Logitech G5 v1 X-ray Thunder 9 smooth ASUS Xonar Essence STX Numark NPM5's + Dayton SUB-1200 12" sub 
  hide details  
Reply
post #4 of 5
If you have the time to invest on and some cash, use a voltage meter to measure it. It is more accurate than BIOS or CPU-Z
Gaming rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 760 Gigabyte P55-UD3P AMD Radeon HD6870 (Sapphire) Kingston Hyper-X 
Hard DriveOptical DriveCoolingOS
Western Digital Caviar Black 1TB LG GH-22 Coolermaster Hyper 212 plus Windows 7 Home Premium 64bit 
MonitorMonitorKeyboardPower
Philips 230E(Main screen) Acer AL1916W(Secondary) Rosewill RK9100 Mechanical CherryMX Blue Keyboard Aerocool E85M-700W 
CaseMouseMouse PadAudio
Ikonik EN2-WB Logitech MX518 Razer Goliathus AKG GHS 1 
  hide details  
Reply
Gaming rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 760 Gigabyte P55-UD3P AMD Radeon HD6870 (Sapphire) Kingston Hyper-X 
Hard DriveOptical DriveCoolingOS
Western Digital Caviar Black 1TB LG GH-22 Coolermaster Hyper 212 plus Windows 7 Home Premium 64bit 
MonitorMonitorKeyboardPower
Philips 230E(Main screen) Acer AL1916W(Secondary) Rosewill RK9100 Mechanical CherryMX Blue Keyboard Aerocool E85M-700W 
CaseMouseMouse PadAudio
Ikonik EN2-WB Logitech MX518 Razer Goliathus AKG GHS 1 
  hide details  
Reply
post #5 of 5
Thread Starter 
Quote:
Originally Posted by `br4dz-;12331538 
Wrong.

The CPU-Z voltage may not be 100% accurate, but it's more accurate than the voltage set in BIOS by a long shot. All motherboards have some sort of vDrop and vDroop. vDrop being the difference between what you set in the BIOS, and what shows up as the idle voltage. vDroop is the difference between idle and load voltages. It's a safety precaution designed by Intel.

You can read more about it here.

Thanks for the detailed input and link.

Quote:
Originally Posted by marcz123;12331554 
If you have the time to invest on and some cash, use a voltage meter to measure it. It is more accurate than BIOS or CPU-Z

I got to research on this method. Sounds interesting.
Main
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 3570K ASRock Z77 Pro3 Galaxy 560Ti G.Skills DDR3 
Hard DriveOSMonitorPower
WD Cavier 250GB + SimpleTech 320GB EXHDD Windows 7 x64 Samsung 19" SyncMaster 940BW OCZ 600w GameXStream 
Case
COOLER MASTER Centurion 5 
  hide details  
Reply
Main
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 3570K ASRock Z77 Pro3 Galaxy 560Ti G.Skills DDR3 
Hard DriveOSMonitorPower
WD Cavier 250GB + SimpleTech 320GB EXHDD Windows 7 x64 Samsung 19" SyncMaster 940BW OCZ 600w GameXStream 
Case
COOLER MASTER Centurion 5 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Intel CPUs
Overclock.net › Forums › Intel › Intel CPUs › CPU-Z voltage or BIOS voltage?