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64-bit OS Question

D

D_A_M

Weaksauce
Joined
Jun 24, 2006
Messages
122
I don't know much about all of the differences between 32-bit and 64-bit OS's, but one question I have is can a 64-bit OS run 32-bit apps (games in particular)? Sorry if it seems like a stupid question.
 
Thanks for the reply. Are there any advantages of 64-bit over 32-bit besides security?
 
nonameo said:
???

There's a security advantage to running a 64 bit operating system?
Click to expand...

The 64-bit editions of Windows Vista and 2003 support Kernel Patch Protection, whereas the 32-bit editions do not have this feature. I think this is mostly due to compatibility issues for 32-bit Windows, not necessarily because it's 64-bit.

64-bit computing lets you address a whole lotta memory (theoretically), and for x86-64, gives software more registers to use if the software takes advantage of 64-bit.
 
For the home, x64 just isn't worth it at this time imo. There are a few improvements that have already been mentioned here, but the real problem is drivers (compatibility.)

In some hardware configurations 64-bit driver support has been going along good, especially with hardware from the biggest companies such as Nvidia and AMD/Intel. Servers, for example, don't need to support anything but a limited amount of periphereals, and at this point any self respecting server component manufacturer considers 64-bit support standard. Computer builders on the other hand don't choose 64-bit mostly because it's a support nightmare with the much wider range of devices.

For the home, drivers for many printers cameras, gaming pads, sound cards, (and the list goes on and on) aren't quite guaranteed. Similar can be said for Vista drivers but anyway I see little reason to try for 64-bit at this time except with research and probably a few new components. As always, YMMV but imo the pros just can't quite overcome possible the issues.
 
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