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

[Adam Funk]

On 2011-04-30, NoOp wrote:

> On 04/30/2011 01:15 PM, Adam Funk wrote:
>> 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.
> ...
> That is to be expected; the system will always default to the lowest
> speed memory (otherwise the slower chip(s) won't work).

That makes sense; thanks.