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Intel Core 2's Are They All 64 bit ???

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March 11, 2007 4:16:39 PM

Hi there first post newbie here :) 
Im doing some planning out of a system build. Proposing to use an Intel e6300 or up to e6700 Core 2 cpu. Tried checking the Intel site and info is a bit unclear about exactly what is 32 bit or 64 bit cpu? Is it switchable or something or are they all 64 bit ?? Ive bought the 32 bit upgrade version of vista already - cudnt damn well wait !!! Apparantly according to microsoft info i cannot swop over my installed 32 bit upgrade version for a 64 bit OS when i have completed the build. :evil: 

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March 11, 2007 4:18:50 PM

Yes, they are all 64-bit capable.

edit - but they all also support 32-bit. They do both.
March 11, 2007 4:25:19 PM

They are 64bit. I have vista x64 and it run excellent with pure 64bit apps. But i wouldn't recommend the vista x64bit if you are a gamer and if you don't have a good reason to go 64bit. Only reason maybe you would go for 64bit is for the security and you have over 2-3gb of ram and a pretty decent machine.
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March 11, 2007 4:49:53 PM

OK so if they are all 64 bit but support both 32 + 64 bit software, does that also include the operating system? (ie i can go ahead and install my lovely Vista Ultimate - but 32 bit version upgrade on to a new built Core 2 system ? ? Or is the support for software only limited to applications running under the OS (in which case i gotta buy another Vista 64 bit from my mate Bill G!!!) 8O
March 11, 2007 5:04:22 PM

why not? according to MS, 64-bit versions are for gamers. I'm running 64-bit Vista and never have looked back. Unless you're looking to play REAL old games then you are fine. WOW, GTR2, Half-life 2, Half-life 1, DOOM3, UT 2004 has been running w/o a hitch at 1920x1080 resolution on a G8800GTX for the last two month. Have not had any BSODs.
March 11, 2007 5:08:26 PM

also, 32-bit SW with 16-bit extensions and 64-bit OS not ok, and 16-bit SW and 64-bit OS not ok.

not to much of a factor with modern software, but there is a bit of older software that while it says 32-bit, still utilize 16-bit extensions. these will NOT work in 64. I however doubt this is much of a problem with a good deal of Toms users, but it still exists. :wink:

as Jack said, normal 32-bit programs and 64-bit programs will work (usually) fine under 64, but 64-bit programs (all 2 of em :twisted: ) will NOT work on 32-bit Vista
March 11, 2007 5:38:33 PM

Core Duo (the original one) is 32-bit
Core 2 Duo is 64-bit (and so are Pentium E and Celerons based on Core 2 microarch)
March 11, 2007 5:45:50 PM

Quote:
also, 32-bit SW with 16-bit extensions and 64-bit OS not ok, and 16-bit SW and 64-bit OS not ok.

not to much of a factor with modern software, but there is a bit of older software that while it says 32-bit, still utilize 16-bit extensions. these will NOT work in 64. I however doubt this is much of a problem with a good deal of Toms users, but it still exists. :wink:

as Jack said, normal 32-bit programs and 64-bit programs will work (usually) fine under 64, but 64-bit programs (all 2 of em :twisted: ) will NOT work on 32-bit Vista

I'll also add that while it is true that there are no longer many 16-bit programs, there are supposedly still installers for 32-bit programs that are still 16-bit, which is unintuitive and annoying. I haven't bothered going 64-bit yet so I don't have personal experience, but that's what I've heard.
March 11, 2007 5:56:00 PM

OK guys thanx for the great info - especially jumping jack + alaskafox. So means i can go build my new intel Core 2 system with the vista 32 bit OS i already bought and i probably (by accident not design) got the best compromise options of cpu with operating system at the moment :D  :D 
March 11, 2007 8:25:01 PM

Quote:
...32 bit OS i already bought and i probably (by accident not design) got the best compromise options of cpu with operating system at the moment :D  :D 

It'll probably be a couple years before some software you just gotta have comes along in 64-bit only. The transition from 16-bit to 32-bit took years, and that was far more needed by the average user than the 32-bit to 64-bit transition. With all the legacy hardware out there, I suspect most of the more popular software will be offered in 32 and 64 bit flavors for some years to come.
!