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Windows 7: 32 bit vs 64 bit Comparison

31 May 2011   #311
FredeGail

Microsoft Windows 7 Ultimate: x64 (SP1)
 
 

Sorry!
Corrected. What I meant was, my mobo doesn't support DDR3.

But can I buy 2 more of the same sticks so I have 8GB? Or impossible?


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31 May 2011   #312
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 
Ok

Frede I stand to be corrected but as I said I am only really a bit of a novice at this myself but I cannot see any problems in you getting two sticks of the same brand and putting them in mate - as long as they are RAM slots - I am not doubting you for one second but you need to be absolutely sure - you don't need a fried mobo eh??.

I suppose one way is to shut down and unplug your machine take your static precautions take out a stick and see if it would indeed fit into that yellow slot because all RAM slots are different - you can't put DDR3 into DDR2 slots for example. Mate as I just said I am not doubting your ability for one moment but research counts for everything - well in my experience.


What I did was to research what I had already - that is what your current sticks are - speed, unbuffered etc and what your mobo will support in in speed. Again I stand to be corrected but if say your mobo will only support say 553Mhz speed then it's probably best to fit the same speed - 553Mhz - 800Mhz whatever it happens to be. I maybe wrong but I think the slightly higher speed may be compatible with the lower speed mobo - but I would rather stay in the safe zone and stick (no pun) with the speed I already have and / or what my mobo can support.

Those prices I quoted for where I am - that Corsair (the $39) I quoted was a pair for desktop - the SODIMM is for a laptop. There are more expensive sticks of course - there are some at the store I get my stuff from up to $95 but they are Kingston finned sticks and run at 1066Mhz - so you get my drift re speed and what you have already?? - probably would fit but of use - debatable on what you have on board already because the sticks you have already are your mobos usable limit. Personally I would not fit these without asking someone who really knows their stuff - I'd hate you to go and bugga up your machine


Hey as we are drifting a bit off topic here why not put in a thread asking re the use of what form of RAM you should be using there are tons of folks / gurus in here who can tell you straight off th e top off their head what you can and can't use because I just know the difference in the types, sizes, speeds, unbuffered, etc and there are things like latency rates I don't - sorry not much help eh??

But as I said and I'll say again for an hour's research and asking re a thread looking at your gear is it really worth cooking what you've got??
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02 Jun 2011   #313
lancethedude

winditous ultimate and home prenium both 64 and 32 b
 
 

Quote   Quote: Originally Posted by Lordbob75 View Post
There are many, many threads on this one simple question: 32 bit or 64 bit Windows?
Well, there are a few things to consider when making this choice. The most obvious difference between 32 bit and 64 bit is the amount of RAM the system can use. The limit on 32 bit is 4Gb of RAM, whereas a 64 bit operating system (OS) can use up to 8Tb (128 in 64 bit Vista, and 192Gb in Seven).

~Lordbob
is this a typo 64 bit can use 8 terabytes of ram or is it 8gb
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02 Jun 2011   #314
Lordbob75

Windows 7 Ultimate x64, Mint 9
 
 

Quote   Quote: Originally Posted by lancethedude View Post
Quote   Quote: Originally Posted by Lordbob75 View Post
There are many, many threads on this one simple question: 32 bit or 64 bit Windows?
Well, there are a few things to consider when making this choice. The most obvious difference between 32 bit and 64 bit is the amount of RAM the system can use. The limit on 32 bit is 4Gb of RAM, whereas a 64 bit operating system (OS) can use up to 8Tb (128 in 64 bit Vista, and 192Gb in Seven).

~Lordbob
is this a typo 64 bit can use 8 terabytes of ram or is it 8gb
No, it really can make use of 8 terabytes. There is not the hardware to physically have 8 terabytes of RAM, thus the 128Gb limit in Windows.

~Lordbob
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02 Jun 2011   #315
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Quote   Quote: Originally Posted by FredeGail View Post
Sorry!
Corrected. What I meant was, my mobo doesn't support DDR3.

But can I buy 2 more of the same sticks so I have 8GB? Or impossible?
Quick answer is yes. Buy the exact same stick as you have now, sometimes different brands will not work properly together. Make sure you get the same speed too, PC2 8400, etc. The RAM speed will default to the slowest one in the motherboard.
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02 Jun 2011   #316
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Clearing up the 32/64-bit memory limit confusion

Quote:
Note: Wondering how we arrive at that 4GB limit? Here’s the math for 32-bit systems:
232 = 4,294,967,296 bytes
4,294,967,296 / (1,024 x 1,024) = 4,096 MB = 4GB
It’s different for 64-bit:
264 = 18,446,744,073,709,551,616
18,446,744,073,709,551,616 / (1,024 x 1,024) = 16EB (exabytes)


This is very interesting.
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02 Jun 2011   #317
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 
Hmmmmm

Sounds just like an analogy I heard once of pushing a bucket of water through a garden hose and then shoving the Atlantic ocean through it instead LOL!!

The maths are incredible eh??
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06 Jul 2011   #318
ssmaharajan

windows 7
 
 

Very nice article and worthy one.
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08 Jul 2011   #319
sarahgomez

32 bit
 
 

The major difference between the 32bit and 64 bit is how their proccesor respond to certain information. The 64 bit version of windows handles large amount of random access memory where as 32 bit holds less random access memory. When you going to install a certain software you must keep these things into mind. once I downloaded joomla templates , they are not responding into my system. Then I read the specification of the software and get it know it will just work on 32bit OS.


___________________________________________
CSS Templates | Website Templates | Joomla Templates
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15 Jul 2011   #320
pallesenw

Windows
 
 

Quote   Quote: Originally Posted by lancethedude View Post
is this a typo 64 bit can use 8 terabytes of ram or is it 8gb
Currently the virtual address space is 16 TB (64-bit processes). User and kernel space each get 8 TB. Your installed ram goes to the physical address space.
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