bandwidth vs timings

[Nagasama]

hi all.
when overclocking,
which is more important for the ram, bandwidth or timings?
i.e. with the settings i am testing now, i can run:
5-5-5-15 or 18 2T @ 445mhz
or
4-4-4-12 1T @ 380mhz.

i dont think my ram will run 4-4-4-12 1T @ 445 mhz, but may do
4-4-4-12 2T at that speed.

which is better performance, how much better, and why?

thanks!

 

[Nitestick]

don't confuse bandwidth with frequency. bandwidth is the most important, the bandwidth comes as a combination of your latencies and frequency. toy around with different combinations if you're that serious about it and use SiSandra's memory bench mark to find the memory's bandwidth.

 

[turtile]

They'll run almost exactly the same speed. It depends on how far you want to OC the CPU.

 

[Nagasama]

my bad nitestick i do confuse the two.
i suppose what i mean is frequency vs. timings.

turtile:
meaning that the higher i want to oc my cpu, i will have to relax the timings to the 5-5-5-15?
i have maxed it out. this cpu will not boot windows above 2.9 and that is with all different combination of voltage, multiplier, ram settings etc.
it just wont do it.
and to be honest, the performance increase (using super pi 1m as reference) isn't wortht the extra voltage i have to apply.
it seems about 2.6-2.7 is the sweet spot for it.
running 2.9 increases the super pi time only about 1.5 seconds.
but i have to juice it. i can get to 2.65 on 1.4V, maybe even less.