Overclock.net › Forums › AMD › AMD CPUs › Disabling 1 core in quad disables cool n quiet?
New Posts  All Forums:Forum Nav:

Disabling 1 core in quad disables cool n quiet? - Page 2

post #11 of 16
You upgraded from a dual core? On a laptop?? eek.gif
I say this may be a bad idea. A quad core may add significantly more power consumption, something that may actually trip the VRMs on that laptop aside from causing so much more CPU heat (on a cooler that may not be designed to handle the heat)

I upgraded a laptop CPU once, but that was understandable; from slower model to slightly faster model I got from $10 on eBay, with a lower power consumption & heat. This is way different from that. If you ever upgrade the CPU on a laptop, you need to do some serious research on the laptop design (incl. how many watts the cooler is rated for, what the VRMs on the mobo support [and this particular detail may be harder to find out], and of course considering what TDP the CPU is.

The Phenom II x4 X920 is a 45W TDP laptop processor. This laptop and all parts inside may very well be designed for only 25W or 35W depending on the dual core model. Even as a triple core you may be breaching the limit. On a laptop, 10W is a massive difference.
Edited by xd_1771 - 6/20/11 at 5:11pm
post #12 of 16
Quote:
Originally Posted by xd_1771;13944305 
You upgraded from a dual core? On a laptop?? eek.gif
I say this may be a bad idea. A quad core may add significantly more power consumption, something that may actually trip the VRMs on that laptop aside from causing so much more CPU heat (on a cooler that may not be designed to handle the heat)

I upgraded a laptop CPU once, but that was understandable; from slower model to slightly faster model I got from $10 on eBay, with a lower power consumption & heat. This is way different from that. If you ever upgrade the CPU on a laptop, you need to do some serious research on the laptop design (incl. how many watts the cooler is rated for, what the VRMs on the mobo support [and this particular detail may be harder to find out], and of course considering what TDP the CPU is.

The Phenom II x4 X920 is a 45W TDP laptop processor. This laptop and all parts inside may very well be designed for only 25W or 35W depending on the dual core model. Even as a triple core you may be breaching the limit. On a laptop, 10W is a massive difference.

I think he meant he went from a laptop with a dual core, to a laptop with a quad core, he didnt throw a Phenom mobile in his existing dual core..
Server
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 2600k Intel H67DE PNY Verto 9600GT (Thanks to ihasfip!) 16GB G.Skill Ripjaws 1333Mhz 
Hard DriveOSMonitorPower
(3) Seagate 7200K 1TB (2) Hitachi 7200K.12 1TB Proxmox Samsung 17" Corsair GS600 
Case
Chenbro tower 
  hide details  
Reply
Server
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 2600k Intel H67DE PNY Verto 9600GT (Thanks to ihasfip!) 16GB G.Skill Ripjaws 1333Mhz 
Hard DriveOSMonitorPower
(3) Seagate 7200K 1TB (2) Hitachi 7200K.12 1TB Proxmox Samsung 17" Corsair GS600 
Case
Chenbro tower 
  hide details  
Reply
post #13 of 16
Thread Starter 
Quote:
Originally Posted by ZFedora;13944338 
I think he meant he went from a laptop with a dual core, to a laptop with a quad core, he didnt throw a Phenom mobile in his existing dual core..

Actually that's exactly what I meant. biggrin.gif
PII x4 CPU into my laptop that had a dual core.
Quote:
Originally Posted by xd_1771;13944305 
The Phenom II x4 X920 is a 45W TDP laptop processor. This laptop and all parts inside may very well be designed for only 25W or 35W depending on the dual core model. Even as a triple core you may be breaching the limit. On a laptop, 10W is a massive difference.

I've looked up my laptop specs, and some versions of the same model has a lower clocked PIIx4 or higher clocked PIIx3 at 35w. The PIIx4 BE is only marginally faster than the other PIIx4, so I predicted that it wasn't actually 45w.

On CPU-Z, it says 43w, and on HW-monitor, it says 39w. I have it undervolted so it goes to 36w according to HW-monitor..


So far it actually works pretty well. I used AC MX-2 paste, and at prime 95, it peaks at around 80'C. With both the GPU and CPU running, the highest I've seen it at is 82'C.

This is cooler than my friend's dual core laptop, which runs into the low 90s'C. biggrin.gif
post #14 of 16
The X920 is a 45W TDP and not like the lower clocked Phenom II x4 mobile at 35W TDP. That it's undervolted does make it seem a lot more safe, and the temps are actually relatively decent.

Perhaps you should leave the cores enabled as with cool'n'quiet enabled it would likely be better for longetivity and most especially battery life, than with 3 cores but no CnQ.
post #15 of 16
Quote:
Originally Posted by Bluescreendeath;13946420 
Actually that's exactly what I meant. biggrin.gif
PII x4 CPU into my laptop that had a dual core.



I've looked up my laptop specs, and some versions of the same model has a lower clocked PIIx4 or higher clocked PIIx3 at 35w. The PIIx4 BE is only marginally faster than the other PIIx4, so I predicted that it wasn't actually 45w.

On CPU-Z, it says 43w, and on HW-monitor, it says 39w. I have it undervolted so it goes to 36w according to HW-monitor..


So far it actually works pretty well. I used AC MX-2 paste, and at prime 95, it peaks at around 80'C. With both the GPU and CPU running, the highest I've seen it at is 82'C.

This is cooler than my friend's dual core laptop, which runs into the low 90s'C. biggrin.gif

What laptop do you have?
Awesome that you were able to upgrade the CPU!
Moar cores!
(16 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX 8320 @ 4.0Ghz/4.2Ghz turbo gigabyte 990FXA-UD3 rev. 4.0 Gigabyte Nvida GTX 770OC 2GB/ Gigabyte 970 G1 G... Gskill Sniper 1866Mhz 8GB (4GB x 2) 
Hard DriveHard DriveOptical DriveCooling
Corsair Neutron GTX 120GB WD Black 1TB Asus 24X CM Hyper 212Evo 
OSMonitorKeyboardPower
Windows 7 Home X64 HP 22BW 21.5" LED-IPS CM Storm Trigger/MX Brown Corsair TX 650V2 
CaseMouseMouse PadAudio
CM HAF922 Logitech G500S Steelseries QCK Mini Asus Xonar DX 7.1 
  hide details  
Reply
Moar cores!
(16 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX 8320 @ 4.0Ghz/4.2Ghz turbo gigabyte 990FXA-UD3 rev. 4.0 Gigabyte Nvida GTX 770OC 2GB/ Gigabyte 970 G1 G... Gskill Sniper 1866Mhz 8GB (4GB x 2) 
Hard DriveHard DriveOptical DriveCooling
Corsair Neutron GTX 120GB WD Black 1TB Asus 24X CM Hyper 212Evo 
OSMonitorKeyboardPower
Windows 7 Home X64 HP 22BW 21.5" LED-IPS CM Storm Trigger/MX Brown Corsair TX 650V2 
CaseMouseMouse PadAudio
CM HAF922 Logitech G500S Steelseries QCK Mini Asus Xonar DX 7.1 
  hide details  
Reply
post #16 of 16
Thread Starter 
Quote:
Originally Posted by Heavy MG;13946562 
What laptop do you have?
Awesome that you were able to upgrade the CPU!

I bought a refurbed Dell Inspirion 15r, it came with an Athlon II x2 and a 550v/4650m GPU.
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: AMD CPUs
Overclock.net › Forums › AMD › AMD CPUs › Disabling 1 core in quad disables cool n quiet?