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Are my games only running in 32 bit?

Last response: in Windows 7
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March 4, 2010 10:02:58 PM

Ive noticed while trying to hammer out probs with a few games that the exe files have *32 after them. Im running win7 64bit home premium does this mean the games & apps are running in 32 bit? Some of the games are: Napoleon total war, bfbc2, crysis. Not sure what this means, if anything but my cpu only seems to be @ 15-20% use while running these as well even if they are quad core supported.

I7-920 @ 2.66
9gb ddr3
sapphire 5870 vapor x
fsp 700 watt

More about : games running bit

a b $ Windows 7
March 5, 2010 12:03:47 AM

Yep, they're running in 32 bit mode. Don't worry about it - it's normal.
March 5, 2010 3:57:25 AM

Is 64 bit mode for something else, video editing or something?
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a b $ Windows 7
March 5, 2010 5:38:16 AM
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soulgraph said:
Is 64 bit mode for something else, video editing or something?


Very basic explanation: For an application to run in 64bit mode, you need three things:

1) A CPU that can execute 64bit instructions. Most of them do now.
2) An operating system that is 64bit capable. With Windows 7 64, you can tick that one as well.
3) The application itself needs to be written to support 64bit. This one is the major problem, since 99% of apps are still coded with 32bit instructions. There are no 64bit games out there, and very few 64 bit applications.

The only advantage 64bit computing gives you at this point, is that you can break the 32bit barrier of 4GB of RAM.
a b $ Windows 7
March 5, 2010 1:36:19 PM

Herr_Koos makes a good point, though a 32bit application doesn't run out of memory at 4GB, but at 2GB since with 32bit windows architecture user space gets 2GB and kernel space gets 2GB
and there are some 64bit games out there, crysis and half-life 2 are ones off the top of my head
March 5, 2010 2:55:58 PM

Ok, Im running crysis dx10 & seeing the same *32 after the exe. Im thinking Herr_Koos is right. So the point of a 64 bit is what, just speed\efficiency of the os itself?
a b $ Windows 7
March 5, 2010 2:59:58 PM

mindless728 said:
Herr_Koos makes a good point, though a 32bit application doesn't run out of memory at 4GB, but at 2GB since with 32bit windows architecture user space gets 2GB and kernel space gets 2GB
and there are some 64bit games out there, crysis and half-life 2 are ones off the top of my head


Nope, I think you'll find that both Crysis and HL2 are 32 bit. There was no mainstream 64bit OS when HL2 was released.
March 5, 2010 3:07:06 PM

Best answer selected by soulgraph.
March 5, 2010 3:11:43 PM

Much thanks for the info Herr_Koos.
a b $ Windows 7
March 5, 2010 4:55:33 PM

Herr_Koos said:
Nope, I think you'll find that both Crysis and HL2 are 32 bit. There was no mainstream 64bit OS when HL2 was released.


Crysis has a 64 bit version of the exe and dll's, so that can run in 64bit, HL2 is as well, i forgot about Hellgate: London (crap game)

here is a list of 64bit games, the list might be old though
http://www.start64.com/index.php?option=com_content&tas...
http://fathersergio.wordpress.com/2006/01/21/the-64-bit...
March 5, 2010 11:54:49 PM

Alright I found by looking into crysis file I had a 64 bit mode option, I started it up and was able to run with settings maxed and aa x 8 and was still getting 45+ frames, I wasnt able to turn aa on without getting bad slowdown in 32 bit mode. Thanks for sticking around to set me right mindless, guess I'll have to play through crysis again :D 
a b $ Windows 7
March 6, 2010 6:02:36 AM

nice good to hear, though there are some other games that do run in 64bit, its tough to track them down though
!