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Windows 7: How many cores will Windows 7 support?

17 Jul 2009   #1
hydra33shok

Windows 7
 
 
How many cores will Windows 7 support?

I have an HP Z800 with Dual W5580's and 48GB of memory. As many of you know, you can enable the "Hyperthreading" to get 16 virtual cores.

Does anyone know if Win 7 will see all of these cores?
If not does anyone know of a Vista or Win 7 hack that will allow the full use of all the cores?

For those that care, this machine is part of a larger distributed farm that runs traffic simulation software. Benchmarks on equivalent DL160G6 w/Server 2003 R2 have shown worthwhile improvement in runtimes with "hyperthreading" enabled, so we are inclined to have it enabled on the Z800. The workstation does not support a Win Server install (several attempts have failed) and so we are limited to XP 64, Vista 64 and Win7.



My System SpecsSystem Spec
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17 Jul 2009   #2
Lordbob75

Windows 7 Ultimate x64, Mint 9
 
 

Hello hydra33shok, Welcome.

At this point, we know it supports 4. It will be around when 8 cores hit, and probably when 16 cores hit. Maybe even 32.
I sure hope it supports 8, and it had better support 16. If they were smart, they would support up to 64.

~Lordbob
My System SpecsSystem Spec
17 Jul 2009   #3
sergiogarcia9

 

48 GB OF RAM!!!!```???? Damn it must run really fast!
My System SpecsSystem Spec
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17 Jul 2009   #4
Lordbob75

Windows 7 Ultimate x64, Mint 9
 
 

Samsung unveils first 32GB DDR3 memory module

Put in a few of those boys.

~Lordbob
My System SpecsSystem Spec
17 Jul 2009   #5
sergiogarcia9

 

damn, soon we'll all be gaming crysis in some kinda sick 3-D format
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17 Jul 2009   #6
Lordbob75

Windows 7 Ultimate x64, Mint 9
 
 

Quote   Quote: Originally Posted by sergiogarcia9 View Post
damn, soon we'll all be gaming crysis in some kinda sick 3-D format
Only when we get video cards with that many cores.

~Lordbob
My System SpecsSystem Spec
17 Jul 2009   #7
sergiogarcia9

 

Quote   Quote: Originally Posted by Lordbob75 View Post
Only when we get video cards with that many cores.

~Lordbob
It will happen...Maybe a Geforce GTX 980
My System SpecsSystem Spec
17 Jul 2009   #8
copernicus

7264x64/7260x86
 
 

Do you currently have any OS running on it now?

Throw virtualbox on there and install 7 on there.

I'm trying to set my virtual 7 os to 16 cpus right now to see if it'll work.

Survey says........


How many cores will Windows 7 support?-16core.png


Yes


My System SpecsSystem Spec
17 Jul 2009   #9
billdo

Windows 7 x64 rtm
 
 

If you are limited to XP64 Vista64 W7x64 then the choice is obvious.W7 should have no problems using all 8cores(16 hyperthread) The only difference between W7 and Win Server is the 2 socket and 128GB ram limit.
So as long as you are running only 2 CPU's and stay under 128GB ram you should be able to open that baby full throttle.
My System SpecsSystem Spec
17 Jul 2009   #10
DJG

 

It definitely supports 8 cores - I had it running on a dual E5440 Xeon system. I believe the client license is for 2 CPUs max, regardless of cores.
My System SpecsSystem Spec
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 How many cores will Windows 7 support?




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