Comments on: What Is The Difference Between 32-bit & 64-bit Windows?

By: Zalifah Ibrahim

Zalifah Ibrahim — Tue, 11 May 2010 09:27:00 +0000

Whatever it is, the article above is clearer than any of those i have read online. Thanks Karl.

By: Sats

Sats — Sat, 24 Apr 2010 09:56:00 +0000

I toataly agree to greymarch.. RAM size should be 3 GB

By: Anonymous

Anonymous — Wed, 21 Apr 2010 22:20:00 +0000

Hi My name is Ramon i m a have question you can still run 64 bit processor amd under 32 bit operatin system? i m wondering because i installed 32 bit and i m having some trouble thanks

By: mamohitsingh

mamohitsingh — Thu, 25 Mar 2010 06:26:53 +0000

good dvd

By: Nick

Nick — Sun, 28 Feb 2010 02:52:33 +0000

I have supid question.
Is it any chance to install 32b XP instead of my 64b Win 7 on my laptop?

By: Hitesh

Hitesh — Sat, 27 Feb 2010 16:20:52 +0000

Thanks viraniac,

Really What I Want To Know!

By: Oron

Oron — Fri, 26 Feb 2010 22:38:35 +0000

Win 64 is usually SLOWER than Win 32, because every instruction and every piece of data has to be loaded in a larger chunk, and access to RAM is a bottleneck. Win 64 will be faster only when large amounts of consecutive data need to be read, such as in heavy graphics applications, video editing etc. The main advantage of 64 bit over 32 is the ability to address as much memory as you have. Which system you should use therefore depends on your intended use, and I believe many users will be better off with Wind 32.

By: viraniac

viraniac — Fri, 26 Feb 2010 19:53:53 +0000

Dear Hitesh,

the 32-bit is called x86 because the first 32 bit processor is 80386, after that there is 80486,80586….

so as you can see there is 86 common with all those processors. hence 32-bit is called x86

for more info see this link
http://en.wikipedia.org/wiki/X86

By: viraniac

viraniac — Fri, 26 Feb 2010 18:53:53 +0000

Dear Hitesh,

the 32-bit is called x86 because the first 32 bit processor is 80386, after that there is 80486,80586….

so as you can see there is 86 common with all those processors. hence 32-bit is called x86

for more info see this link
http://en.wikipedia.org/wiki/X…

By: Ray from Las Vegas

Ray from Las Vegas — Wed, 24 Feb 2010 16:25:37 +0000

Ok, I have a 3gb w7/32 on Laptop, and 6gb w7/64 on dual core Desktop. On Desktop, I have never used 4g of memory. Even editing videos. (I don’t play games). I wish that the extra memory on x64 could be used for something.

What I see big time is that I need faster video card. Viewing HD videos takes way too much CPU.

By: Hitesh

Hitesh — Wed, 24 Feb 2010 14:23:39 +0000

@Karl Gechlik
I have one question?

why 32-bit called x86 rather than x32 ?
please can you find it?

Thanks for this artical..

By: B.G.

B.G. — Wed, 24 Feb 2010 11:41:27 +0000

Doc, your statement is incorrect. Your statement is solely based on the fact that Microsoft limit physical addressing to 4GB on 32-bit OS’s since after XP SP1. It is possible for 32-bit systems to use as much RAM as 64-bit systems.

Mr Gechlik, your calculation of 2^64 is incorrect as bit 63 is used as the NX bit, so halve what you have calculated.

By: Doc

Doc — Wed, 24 Feb 2010 03:54:04 +0000

@Karl Gechlik: No, no computer with a 32-bit OS can see the full 4GB. See the image at http://www.codinghorror.com/blog/2007/03/dude-wheres-my-4-gigabytes-of-ram.html

in order to see why (with only 4GB, take away the top gray bar): Your video card GART remapping (which is required for your CPU to write to video card RAM, whether your video card is in a slot OR onboard), DMA buffers, your motherboard BIOS, registers for controlling your other devices (USB, sound card, hard drive controllers, keyboard, mouse…almost anything you can see in Device Manager)…all of it detracts from the full 4GB of RAM you may have installed. Your memory is still there; it’s just that in order to function, your devices need memory addresses to talk to the OS, so they “cover” chunks of RAM with their own registers or memory.

By: jollyr

jollyr — Wed, 24 Feb 2010 00:38:19 +0000

damn.. ok, cheers Karl.

Maybe in the future i’ll purchase a 64bit version.

By: jollyrogue

jollyrogue — Tue, 23 Feb 2010 23:38:19 +0000

damn.. ok, cheers Karl.

Maybe in the future i'll purchase a 64bit version.