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Is upgradeing to a 64 bit operation system worth it? - Page 3

post #21 of 33
Not to sound crass, but you claim to be a programmer and you're asking about 64 vs 32-bit? 64-bit is the future of computing, and for HPC/scientific work 64-bit has been widely adopted for some time now. It's only a matter of time before everything transitions to x86-64.
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post #22 of 33
yes:

there is no Software issues with 64 bit
(I work with Photoshop and 64 bit is even better)

Hardware will work as long as there are 64 bit
(which now a days every driver pretty much exists in bot 32 and 64)

You'll use all your ram if you can.

and you'll be able to have a lot more programs open with 8 gigs of ram
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post #23 of 33
ive yet to find a program that don't work with windows 7 64-bit, if you do have problems you can always run in compatibility mode
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post #24 of 33
Quote:
Originally Posted by MrAlex View Post
32-Bit applications will still only be able to use 3.2GB of RAM. And either way, Microsoft limit 32-Bit operating systems to use only 4GB of RAM unless a kernel modification is made, and that isn't recommended.
Actually, no. 32 bit Windows is limited to 4GB (4.2 billion unique locations, to be exact)total memory. Each application uses a "virtual" 4GB memory space which is divided into 2 parts. 2GB for kernel usage and 2GB for application usage. All applications have to share the same 2GB kernel space but have their own individual 2GB application space.

Quote:
Originally Posted by David Solomon & Mark Russinovich
All of the Intel x86 family processors since the Pentium Pro include a memory-mapping mode called Physical Address Extension (PAE). With the proper chipset, the PAE mode allows access to up to 64 GB of physical memory. When the x86 executes in PAE mode, the memory management unit (MMU) divides virtual addresses into four fields.

The MMU still implements page directories and page tables, but a third level, the page directory pointer table, exists above them. PAE mode can address more memory than the standard translation mode not because of the extra level of translation but because PDEs and PTEs are 64-bits wide rather than 32-bits. The system represents physical addresses internally with 24 bits, which gives the x86 the ability to support a maximum of 2^(24+12) bytes, or 64 GB, of memory.
So in PAE mode, systems can support up to 64GB of physical memory and a 32-bit process can "use" large amounts of memory via address windowing extension (AWE).
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post #25 of 33
Quote:
Originally Posted by kaistledine View Post
but the majority of my software isnt 64 bit :/
from what I understand the majority of software is written for a 32bit OS, BUT 32bit software gets installed to c:\\program files (x86) and run perfectly fine
a 32bit OS will only recognize 3.4g of ram give or take and you need a 64bit OS to utilize anything over that.
4+ gigs of ram is very usefull for running multiple programs, or virtual machines.
My system resources use up about 2.1gs leaving 5.9 free for gaming, web-browsing, virtual machines running, or what ever I feel like doing.
So, I say, if you have access to a 64bit OS go for it, you wont be sorry

but that is just what I think, take it for what it is worth cheers
post #26 of 33
Yes it worth it! Able to use more RAM!
post #27 of 33
Quote:
Originally Posted by kaistledine View Post
Hay guys
Im curently on a project of a new built and im wondering to either get 4GB of ram or 8Gb but gettin 8GB would mean alot of compatability issues with software
Is the extra 4Gb worth it ??
Im mostly a gamer, programmer and general user.

System specs

asus IV crosshair forumla
phenom ii x6 110T
crosair vengence cas 9 DDR3 1600MHZ 4/8 GB (undecided)
saphhire vapour x 5770 overlcok edition

no need to worry about the rest
There wouldnt be any problems with compatibility. Windows just wouldnt read it thats all.
     
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post #28 of 33
Absolutely worth it.
post #29 of 33
Been using 64bit OS since XP x64, then Vista then Se7en, and never had a single issue with any of them.
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post #30 of 33
Quote:
Originally Posted by FlawleZ View Post
Actually, no. 32 bit Windows is limited to 4GB (4.2 billion unique locations, to be exact)total memory. Each application uses a "virtual" 4GB memory space which is divided into 2 parts. 2GB for kernel usage and 2GB for application usage. All applications have to share the same 2GB kernel space but have their own individual 2GB application space.



So in PAE mode, systems can support up to 64GB of physical memory and a 32-bit process can "use" large amounts of memory via address windowing extension (AWE).
Ah right, didn't know about the 2GB virtual memory for each application.

But what I don't understand is even with PAE and AWE enabled, won't Windows 7 still only allow 4GB of RAM maximum to be used? I think they said something about licensing issues therefore limiting 32-Bit OSs to only 4GB max with PAE/AWE.
http://en.wikipedia.org/wiki/Windows...mparison_chart
    
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