DDR3-1333 vs. DDR3-16000

[William Park]

On Sat, Feb 05, 2011 at 01:03:24AM -0500, Scott Sullivan wrote:
> On 02/04/2011 11:53 PM, William Park wrote:
> >Hi all,
> >
> >I have basic overclocking question...
> >
> >Most CPU specs say DDR3-1333 (i7 upto DDR3-1066), and most motherboard
> >specs say DDR3-1600 or higher.  What's the point of using DDR3-1600
> >memory when the CPU (memory controller inside) can only do DDR3-1333 ?
> >
> >Common answer seems to be for better overclocking.  But, specs for both
> >2.8GHz and 3.2GHz CPUs say DDR3-1333.  So, I don't get it.
> DDR3-1333 is the default maximum "safe" speed by spec for DDR3 Memory. 
> Anything over that is outside of spec, but there is sufficient demand 
> for over clocking that Memory is now built to handle those higher 
> speeds. It is up to the owner of the system to change the BIOS settings 
> to enable those higher speeds. It is up to the person doing the 
> overclocking to verify compatibility choose the appropriate voltages and 
> timings.
> 
> It's very similar to running your CPU at a higher frequency, it just not 
> considered "safe default" to do so unless you know what your doing.
> 
> I've done this once before when I built a machine for a friend.

Does that mean CPU frequency and Memory frequency move proportionally,
say by 10% each?

-- 
William
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