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

Ioannis Vranos cppdeveloper at ontelecoms.gr
Wed Apr 27 20:14:05 UTC 2011


On Wed, 2011-04-27 at 20:37 +0100, Adam Funk wrote:
> On 2011-04-27, compdoc wrote:
> 
> >> Will A or B give me better performance?
> >
> >
> > One thing to try is memtest86+. Test both A and B configurations, and memtest 
> > will tell you how fast the bandwidth to the ram is. You probably won't see a 
> > lot of difference.
> >
> > I've been reading that with quad cores, you want to run in unganged mode. 
> > (which turns off dual-channel mode) This allows the cpus to access the banks 
> > of ram independently. This is supposed to be faster.
> 
> I'll try the memtest86+.  How long does it take --- roughly, so I can
> plan it in --- minutes, hours, all day?


About 30 minutes/ 4 GB on a modern computer.





-- 
Ioannis Vranos

http://www.cpp-software.net





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