4800x2 to a 5400x2 BE

[1stezekiel]

i thought i'd be smart and upgrade my 4800 to the 5400 black edition . i had my 4800 clocked to 3049 with th fsb to 290 . my rams speeds increased pretty good as well . i cant for the life of me get the 5400 to step off of 200 fsb . im usin a newer gigabyte board, so i wouldnt think its the board . im thinkin its the cpu . it just isnt stable at all clocked past 3200 . my question would be this ..... which would be the better of the two ? the 5400 at higher core clock, with ram timings and fsb at stock settings, or the 4800 with the ram and fsb settings clocked up ?

aside from that question, maybe someone could shed some light as to how i can get my fsb to move .....and be stable . maybe someone has had some experience with this cpu .


system :
lsp 750 psu
gskill ram ddr2800
gigabyte all solid state mobo

 

[error8]

Higher clocked cpu is usually faster overall. But I don't understand what are you asking? You want your 5400+ to clock higher then 3200 mhz? It's a bit tricky to go past that, since that is generally the limit for these cpus. Getting it past 3.2 ghz requires a lot of luck and maybe a lot of voltage and extreme cooling.

I've heard about 5000+ BE cpus hitting 3.3 ghz. Never heard of any X2 touching higher then that, so I'd say 3.2 ghz is a very nice overclock, but upgrading from 4800+ to 5400+ is not such a smart thing to do. I can tell you from my own experience, since I upgraded from a 3800+ X2 to a 4000+ X2 ( ups ) and gained, a bit more then you did in overclocking: 300 mhz.

 

[heyheybooboo]

Even with the unlocked multi drop the HT to x4 and the memory ratio to 333MHz. Around 1.375v you should top out between 3.1-3.2GHz with a combination of cpu multi and clock adjustments. Above that it's mostly a matter of how high you are willing to go with the cpu voltage. You will know when you hit the Brisbane Wall - additional voltage won't get you anywhere ...

It might be easier for you to use the stock multiplier and increase the clock with the reduced HT and memory ratio. I think the X2 5400 BE was sold primarily for folks who were too lazy to overclock with anything more than the multi - LOL. The memory divisor is '7' so that always kept the RAMs at spec. The less you depend upon the cpu multiplier the higher you should be able to increase the clock and maintain stability.

Leave the multi at 14 and see if you can reach 230-235 clock with the reduced HT and memory ratio - going beyond 1.4-1.45v range will most likely do little but generate heat. If you have really good cooling you might reach 240MHz clock - and that would run your RAMs close to spec 800MHz at the reduced ratio (and your cpu at 3.36GHz).

 

[1stezekiel]

great stuff guys... thanx ......

 

[Denithor]

Originally posted by: 1stezekiel
i thought i'd be smart and upgrade my 4800 to the 5400 black edition. i had my 4800 clocked to 3049 with th fsb to 290.

Why, exactly? That makes no sense, whatsoever...I mean, you were already at the top end of overclocks for X2 chips, period, upgrading to another X2 isn't going to get you anything better than you already had.

If you wanted more processor power you needed a Phenom or an overclocked Intel system, not a different X2 chip.

But good luck with this, seriously. I know it can be frustrating to drop in a new chip and not even be able to hit your old OC...

 

[1stezekiel]

yeah i can see what your sayin . upgradin wasnt the only reason, i have another machine i wanted to put my 4800 in . i messed with this thing a little and got 3.3 with a multi of 13.5 . bus speed to 244 . not too shabby i guess . ram still isnt as overclocked as it was, but i think what its set at will do just fine . its at about 950 or so .....