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Which RAM is better?

By TheITStranger ·
Hi there!

I'm evaluating a replacement of my small office/home PC and wanted to check on different types of RAM modules, but got kinda confused with the terminology. DDR? DIMM? SDRAM? Have I missed something out? Which one is better?

Thanks you all guys!

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by timwalsh In reply to Which RAM is better?

It's not a function of which is better. It is a function of which RAM works with a particular motherboard.

SDRAM - Synchronous Dynamic RAM

DIMM - Dual In-line Memory Module. DIMM is a form factor

DDR - Dual Data Rate. A newer form of SDRAM.

Therefore, all of these terms can refer to the same memory module.

The bottom line is that you do not have a choice of what type of memory will work ina a given motherboard. You must use the memory that the motherboard manufacturer specifies.

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by TheITStranger In reply to

Thanks for pointing it so straight. It made me change the approach of my search.

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by TheChas In reply to Which RAM is better?

Unless you drop back to a Socket 7 based system, nearly ALL desktop memory are DIMM modules.

There are 3 basic types of DIMM RAM:

SDRAM: Started life on socket 7 systems through Pentium 3 / Athlon systems.
Typical speeds are 66MHz, 100MHz, 133MHz.

RDRAM: Intel introduced us to this module for the Pentium 3 and 4.
Speeds are up to 800 MHz. But, benchmark performance is slower than systems with DDR RAM.

DDR: This is the current RAM for the best and fastest systems.
Speeds range from PC1600 to 3200 and beyond.

If you are looking for a new system, strive for a motherboard that uses DDR RAM.

Install the fastest DDR RAM supported by the motherboard and your chosen CPU.

If you plan to run Windows 2000 or XP, install as much RAM as the motherboard can hold / your budget allows.
If running Windows 98 or Me, do not install more than 511MB of RAM.

RAM design is in a constant state of change. Many older motherboards will not function with the latest version of the same physical type RAM modules that they accept. That is why I recommend maxing out your RAM when you build a system.


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by TheITStranger In reply to

Thanks for the good explanation. Now not only I understand more the different terminology on RAM modules, but got many info I didn't ask here but wanted to know.

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by TheITStranger In reply to Which RAM is better?

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