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550 BE / 555 BE Differances?

post #1 of 6
Thread Starter 
Doe's anyone know the differance between a 550BE and 555BE? The 555's seem to be alot simplier to OC and get stable than the 550's from what I can read on here.

Reason I'm asking is I'm planning an upgrade to a 1090T in my rig and want to run my old 550BE in a HTPC case linked to the 50" LCD in the lounge and use that as a main hub between mine and my housemates PC. We both download alot of HD (1080p) content and I'd like to have my BE sitting at 4.0ghz 24/7 on water.

I can get 3.8GHz stable at the minute on 3 cores, 3.63GHz stable on 4 cores and 3.8GHz on Dual core all on air.

Would I be better off binning the 550BE for another <£100 AMD chip? Or use the 550BE?
Excalibur
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Excalibur
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post #2 of 6
There is practically no difference between the 550 BE and the 555 BE, they only have 100MHz between them @stock. The 550 BE can be easily transformed into a 555 by upping the CPU multiplier by 0.5x. Also there's no reason why one would OC easier or better than the other, except the 555 BE being newer has maybe a higher chance of being a C3 revision than the first PhII that were C2 - and C3 does OC some 100-200MHz better on average.
Having a 550 BE that can unlock to a quad is as good as it gets <100£, nothing can beat that.
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post #3 of 6
555 seems to be the best bet for unlocking.
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post #4 of 6
In terms of all the guys here that i have helped overclocking and unlocking the X2 chips the 555 seems to have an edge on all the others for some reason (550 560 and 565). That could be down to my theory that amd were just locking perfectly good tri and quad cores and selling them as the X2, maybe because of the popularity of the "unlockable" cpus.

That being said i see no merit to simply binning your 550, stick to your plan and water cool it and those OC numbers would go up, even if they don't its still a good chip for a HTPC. Again it depends on what your gonna do, as you said that you are gonna be sharing 1080p files with a roommate i would say go for the 3.6ghz OC with 4cores unlocked, the 2 extra cores will pick up the slack for a low-ish core speed.
X
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post #5 of 6
Thread Starter 
^^Superb, thank you again AMD-Dude (How you keeping btw?, I got my other 550BE to 4.0ghz stable on water btw )

@ Dragosmp - My 550 BE is a C3 revision too cheers for the help also.

The HTPC's only function will be HD Movies/TV Shows with maybe abit of browsing on the side. I think you guys have made my mind up and saved me money - win! (Rep all round.)
Excalibur
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post #6 of 6
Higher clocking CPU's generally are that way because they are better chips.
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