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Windows 7: DXDIAG says that my intel core i3 has 4 cores

28 Feb 2012   #1
iibenii

windows 7 home premium 64 bit
 
 
DXDIAG says that my intel core i3 has 4 cores

hi there,
this is not really a problem im just curious.
i have an acer aspire 5742 laptop with an intel core i3 M 380 @ 2.53 ghz, 8GB ram intel hd graphics and windows 7 home premium 64 bit.
when i run dx diag it says that i have 4 cpu's at 2.5ghz
when i go on computer it dosent say i have a quad core cpu just the 1 core cpu.
if i run cpuz it says i have 2 cores.
i was wondering if i do have 2 or 4 cores and if i do how do i unlock them?
any help would be appriciated


My System SpecsSystem Spec
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28 Feb 2012   #2
cyclic

Windows 7 home premium x64
 
 

You have 2 cores, here's Intel spec page for you.Intel® Core

As to unlocking, I'm afraid you'll need a.n. other to help there, it's not my forte (never actually found the need).
My System SpecsSystem Spec
28 Feb 2012   #3
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

iibenii, welcome to the Seven Forums.

All of those readings are correct in their own way. The i3 380M is a dual core CPU with hyperthreading,

Intel® Core

One thing you didn't mention was Task Manager, which when on the Performance tab should show a graph for 4 cores.
My System SpecsSystem Spec
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28 Feb 2012   #4
TJG

Windows 7 Home Premium 32bits
 
 

Hello iibenii
The spec are here .

TJG
My System SpecsSystem Spec
28 Feb 2012   #5
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

You have 2 cores and 4 trends.
My System SpecsSystem Spec
28 Feb 2012   #6
iibenii

windows 7 home premium 64 bit
 
 

i do have 4 graphs on my task manager but the weird thing is i swear they wernt there before ive had this laptop about a year and never noticed it had 2 cores.
oh and if it has 2 cores then why doesnt it say dual core cpu
My System SpecsSystem Spec
28 Feb 2012   #7
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Press Windows+Pause/Break the system properties window will open and list what the CPU is. Some 3rd party benchmark/testing software just sees threads as cores. Your CPU is a dual core chip.
My System SpecsSystem Spec
28 Feb 2012   #8
iibenii

windows 7 home premium 64 bit
 
 

it has intel core i3 cpu m 380@ 2.53ghz 2.5ghz so that must mean i have 2 cores.
while im on the processor can my acer aspire 5742 have an i5 inside.
can i buy one then replace my i3 or is it one of the computers you cant change?
My System SpecsSystem Spec
28 Feb 2012   #9
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

I would contact Acer support for swapping CPUs. I would think it's possible but not real easy unless you have experience taking laptops apart.
This is my system properties showing Dual core.
DXDIAG says that my intel core i3 has 4 cores-capture.png

This may answer it. http://acer.custhelp.com/app/answers.../CPU%20upgrade


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