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Windows 7: DDR2 vs DDR3


06 Oct 2010   #1

Windows 7 Pro 32Bit
 
 
DDR2 vs DDR3

I wanted to know is 2GB of DDR3 ram faster than 4GB of ddr2 ram as i was trying to decide if it was worth going from 4GB ddr2 to 2GB of ddr3 as ithought it would still be faster even though it is 2GB less.

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06 Oct 2010   #2

Windows 8.1 Professional x64
 
 

The difference will be negligible in games and every day use. You're better off sticking with the 4GB of DDR2 especially if you're only going to be getting 2GB of DDR3.
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06 Oct 2010   #3

Windows 7 ultimate 64 bit / XP Home sp3
 
 

This may help explain Don't let the SDDR stop you from reading as it covers DDR3 and DDR2 DDR3 SDRAM - Wikipedia, the free encyclopedia
Fabe
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07 Oct 2010   #4

Windows 7 64-bit
 
 

The only major from what i know is that DDR3 has less power consumption, apart from that to be honest you are better off with DDR2 just because it is a HECK load cheaper.
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07 Oct 2010   #5

Windows 7 Home Premium 64bit
 
 

Just got 4GB DDR2 ,PC2-6400, 800MHz (2x2GB modules) at Fry's for $79.00. Best Buy couldn't touch it!
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07 Oct 2010   #6

Windows 8.1 Pro RTM x64
 
 

Unless your motherboard is capable of supporting both types of memory, then you will have to stick with DDR2. If however it is (and you will need to check the manual on this), you will be able to use DDR3 memory in the appropriate slots but not at the same time as DDR2 (in other words, either DDR2 or DDR3 but not both).

Quote   Quote: Originally Posted by Scott Mueller, Upgrading and Repairing PCs, 19th Edition
The 240-pin DDR3 modules are similar in pin count, size, and shape to the DDR2 modules; however, the DDR3 modules are incompatible with the DDR2 circuits and are designed with different keying to make them physically noninterchangeable.
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07 Oct 2010   #7

Dual Booting Windows 7 64-Bit Ultimate Edition and Fedora 16.
 
 

Quote   Quote: Originally Posted by Dwarf View Post
Unless your motherboard is capable of supporting both types of memory, then you will have to stick with DDR2. If however it is (and you will need to check the manual on this), you will be able to use DDR3 memory in the appropriate slots but not at the same time as DDR2 (in other words, either DDR2 or DDR3 but not both).

Quote   Quote: Originally Posted by Scott Mueller, Upgrading and Repairing PCs, 19th Edition
The 240-pin DDR3 modules are similar in pin count, size, and shape to the DDR2 modules; however, the DDR3 modules are incompatible with the DDR2 circuits and are designed with different keying to make them physically noninterchangeable.
Dwarf,
I think you want to say that you cannot use them in Dual Channel mode?

YBL
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07 Oct 2010   #8

Dual Booting Windows 7 64-Bit Ultimate Edition and Fedora 16.
 
 

I read somewhere that 2Gb DDR3 == 3GbDDR2 (Performance)

So you are better off with 4gb DDR3.

YBL
My System SpecsSystem Spec
07 Oct 2010   #9

Windows 8.1 Pro RTM x64
 
 

You will be able to use single/dual/triple channel mode if your motherboard supports it. What you cannot do is to have DDR2 installed as well as DDR3. It has to be one type of memory or the other (obviously, the motherboard needs to be compatible with the type of memory you plan on using).
My System SpecsSystem Spec
07 Oct 2010   #10

Windows 8.1 Pro
 
 

Quote   Quote: Originally Posted by Dwarf View Post
Unless your motherboard is capable of supporting both types of memory, then you will have to stick with DDR2. If however it is (and you will need to check the manual on this), you will be able to use DDR3 memory in the appropriate slots but not at the same time as DDR2 (in other words, either DDR2 or DDR3 but not both).

Quote   Quote: Originally Posted by Scott Mueller, Upgrading and Repairing PCs, 19th Edition
The 240-pin DDR3 modules are similar in pin count, size, and shape to the DDR2 modules; however, the DDR3 modules are incompatible with the DDR2 circuits and are designed with different keying to make them physically noninterchangeable.
+1 What he said
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 DDR2 vs DDR3




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