What's better: dual-channel memory mode or a bit more RAM?

[Adam Funk]

On 2011-04-30, Thibault Dupuis wrote:

> Le 30/04/2011 19:37, compdoc a écrit :
>>>    Memory:  2047M  2126 MB/s
>>>    [dual-channel]

This config is a matched pair of 512 MB in the blue slots and a
different matched pair of 512 MB (higher speed) in the black slots,
but the BIOS setup and lshw output show all four at the slower speed.


>>>    Memory:  2559M  1103 MB/s
>>>    [single-channel]
>>
>> That is a large difference, but it may be more due to mixing different sized
>> (and unmatched) dimms more than dual vs single channel. Go with that
>> dual-channel config.

OK, I guess that means I am interpreting the memtest86+ output
correctly; thanks.

>>> RAM: 159 MHz (DDR319)
>>
>> That's some old stuff you have there...

The computer is about 5 years old, but still works well enough for
its main purposes.


> Hum, Prefer Dual Channel.

That's what I was thinking.

Thanks to everyone for the advice!