High FSB versus Core Ratio (CPU Multiplier)

[poldopunk]

---

I've been tinkering with different approaches for a few days now regarding 2 methods of overclocking. Add several google searches but I've never found a direct answer. Which is more beneficial (speed, stability and temperature), High FSB or Core Ratio (Multiplier) overclocking?

I know for a fact that front-side bus overclocking overclocks the memory bandwidth as well but it stresses out lots of components in the system (northbridge, memory and processor) not to mention that it raises the voltages of these components (cpu vcore, nb vcore, cpu vtt and memory voltage - where applicable) which in effect generates more heat as opposed to core ratio overclocking since majority of the overclock is focused on the processor. High FSB as they say levels the frequency between memory and processor running them in synchronized speed, hence 1:1. Most of the information I found on the web says that high fsb yields bigger points in synthetic benchmarks but I've never seen one that says which is better -- in general.

In case you want to know, I don't have the memory limitation (PC2-6400 CAS4 Team Xtreem) since the motherboard runs fully asynchronous (fsb and memory are completely unlinked) hence, timings and frequency are out of the equation. I already tried SuperPi 32M and it does calculate faster with a higher FSB but I'd like to hear your experience and opinion between these 2 approaches. Graphs, pie charts, etc. are welcome...

[simoko]

with Intel, Core Ratio oc is very limited unless u have the Extreme series processors or u are lucky enough to get an ES(Engineering Sample) stepping...w/ AMD's Black Edition u can really do core ratio overclocking kai unlock man ang multiplier. but that doesn't mean nga walai limit...i am configuring a system for a friend right now...he got my AMD x2 5400+ Black Ed.(for 4.5k) & his Asus M3A78-EM mobo...it can't run stable at 24x(max) multiplier...happy na sya at 22x @ 200fsb(4.4GHz)...all the rest are running at auto(mems, voltages on the nb/sb,procie)...its just the proc that is overclock...temps are very good...mb temp=42c/cpu=44c/core1=26, core2=22...memory use is the quite rare Corsair XMS2 DHX 2x1gb DDR2-800 CL4...how stable is the system?...pass OCCT for 2hrs & its 3dBenchable...

[poldopunk]

have you tried with FSB overclock on this one? I know its a bit complicated since the memory controller is integrated but i'd like to know how it would perform with the same clockspeed but with a higher front-side bus...err, hyper-transport, errr...look i'm not too good with AMD.

[box2joe]

i was once using this old grampy socket A athlon XP 2000+ b4. i have a lot of fun ocing it using stock cooler and i guess that's the reason y it suddenly stop working at above 1GHZ clock settings. hehehehehe.. as what iv noticed although i can't no longer show you any proof kay under clock naman jud ni xa all the time after years of abuse. it runs much more better with higher FSB overclock settings compared to multiplier overclocking.