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Use 32 bit or 64 bit for a 4GB(max) notebook using Win 7?


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#1 brian2009

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Posted 28 December 2013 - 12:18 PM

í am probably going to upgrade my Dell D620 notebook to Win 7. I am trying to decide which version of 7 to buy, 32 or 64 bit.

 

I currently have this setup:

 

Dell Latitude D620

Centrino Duo T5600 @ 1.83 GHz

2 GB ram (will take 4GB) 2 Slots

XP-32 SP 3, runs fine.

Memory: Supports 256 MB to 4056 MB of 667-533MHz DDR2 SDRAM shared

 

In doing some research, it seems that both 32 and 64 support 4gb of ram, which is all the computer can hold. But 64 uses more ram just to run itself.

 

As I see it here are my choices..

 

1) Stay with my 2gb of ram and install 7-32

2) Upgrade to 4gb ram and install 7-32

3) Stay with 2gb ram and install 7-64

4) Upgrade to 4gb ram and install 7-64

 

5?) Upgrade to 3gb of ram and use 7-32 or 64? (not even sure if that can be done with unbalanced pairs)

 

The problem is that I have to decide which version of 7 to install before changing anything.

 

From a quick look at ram prices, it looks like upgrading to 4gb would cost around $50. I was hoping it would be cheaper but if it would give a noticeable speed benefit it might be worth it.

 

There is a posting of mine on the Win 7 forum about upgrading to it, but I thought I would ask about the ram issue here.

 

Thanks

 

 

 

 

 

 

 



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#2 rotor123

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Posted 28 December 2013 - 03:43 PM

Hi, Not quite right. A 32 Bit operating system can address 4Gb, However usable is usually around 3Gb.

This might explain it more clearly than I can.

http://www.pcworld.com/article/2013751/why-cant-32-bit-windows-access-4gb-of-ram.html

 

Because not all of those addresses are available for RAM. There are other pieces of hardware inside your computer that need addresses, such as the PCI bus and the USB host adapter.

Your graphics card is probably the biggest address hog. Today's graphics adapters often contain a gigabyte or more of RAM, and every one of those bytes needs an address. To be fair, I doubt that many of those multi-gigabyte graphics cards are in 32-bit PCs, but even a 512mb video card will take a sizeable bite out of 4GB.

In short anything that does Input/output uses up memory addresses. This would be Drives, Ethernet, Video, USB etc.

 

If You are going to stay with 3Gb or less than a 32bit OS would be OK. If You plan to upgrade to 4Gb than think 64Bit OS.

There is also the possibility that even a 64Bit could nly use 3Gb or so due to the Hardware in the laptop.

 

Good Luck

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#3 JoHal

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Posted 05 January 2014 - 12:21 AM

Hi, my experience with 4GB computers is to install Windows 7 32bit. it runs a little faster.

you will end with something like 3.2 to 3.7 GB of usable ram. With Win 7 - 64bit it will be something like 3.4 to 3.8 GB of usable ram, not much of a difference. Plus you can install Windows 7 now and upgrade your ram latter.



#4 LPTJared

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Posted 05 January 2014 - 03:19 AM

There really isn't anything wrong with XP, still a decent OS to run. With 2GB of RAM, I would only install 32 bit Windows. Me personally, I have Windows 7 Home Premium 32 bit installed via bootcamp on an older Macbook Pro with 2gb of RAM and it runs like a champ. Something to keep in mind is that Windows 7 is a ram hog, the more ram you put in, the more it eats up. If you do decide to upgrade to 4GB of RAM, then you will have no problem installing 64 bit. Hope this helps... Let us know if you want any more advice :)


Edited by LPTJared, 05 January 2014 - 03:21 AM.


#5 LOVEMYPC

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Posted 05 January 2014 - 02:52 PM

HI,I am contemplating doing the same thing to my DELL E521,M/S has a program that will tell you what you need to run 32bit or 64bit WIN7.



#6 LOVEMYPC

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Posted 05 January 2014 - 03:21 PM

HI,Here are my specs for my DELL E521.Operating System
Windows XP Professional 32-bit SP3
CPU
AMD Athlon 64 X2 6000+ 110 °F
Windsor 90nm Technology
RAM
4.00GB Dual-Channel DDR2 @ 375MHz (6-6-6-18)
Motherboard
Dell Inc 0CT103 (Socket M2 )
Graphics
Panasonic-TV (1920x1080@60Hz)
1024MB NVIDIA GeForce GT 610 (EVGA) 124 °F
Storage
149GB Seagate ST3160812AS (SATA) 106 °F
186GB Western Digital WDC WD2000BB-00KEA0 (SATA) 99 °F
Optical Drives
ATAPI iHAS124 C
Audio
NVIDIA
 



#7 LPTJared

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Posted 05 January 2014 - 06:20 PM

HI,Here are my specs for my DELL E521.Operating System
Windows XP Professional 32-bit SP3
CPU
AMD Athlon 64 X2 6000+ 110 °F
Windsor 90nm Technology
RAM
4.00GB Dual-Channel DDR2 @ 375MHz (6-6-6-18)
Motherboard
Dell Inc 0CT103 (Socket M2 )
Graphics
Panasonic-TV (1920x1080@60Hz)
1024MB NVIDIA GeForce GT 610 (EVGA) 124 °F
Storage
149GB Seagate ST3160812AS (SATA) 106 °F
186GB Western Digital WDC WD2000BB-00KEA0 (SATA) 99 °F
Optical Drives
ATAPI iHAS124 C
Audio
NVIDIA
 

You shouldn't have any problems running 64 Bit



#8 brian2009

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Posted 07 January 2014 - 09:14 AM

Hi, my experience with 4GB computers is to install Windows 7 32bit. it runs a little faster.

you will end with something like 3.2 to 3.7 GB of usable ram. With Win 7 - 64bit it will be something like 3.4 to 3.8 GB of usable ram, not much of a difference. Plus you can install Windows 7 now and upgrade your ram latter.

 

Thanks very much with that info. Very helpful.

 

I think I will just go with the 32 bit version of Win 7. I'll add some ram later, hopefully at some better prices as I don't want to put too much more money into this dated notebook.






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