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AMD Phenom II X2 555 vs. AMD Phenom II X4 965

post #1 of 28
Thread Starter 
i was going to get the x4 965 and oc it to 3.7ghz plus, but came accris the x2 555. i heard it unlocks to an x4, and can easily oc past 3.7ghz. is it worth it? is it true that certain mobos determin if it unlocks or not? also if it wont unlock, will it still be good after being oced? i am a call of duty player (dont play games like metro and crysis) at 1400x900 on a 19" screen. i was going for the oced msi twin frozer ii gtx 460 but if this cpu is better (meaning i get it) i might get a 465 or possibly 470.

either way its a huge upgrade from my pent d 805 and 9400gt rig frown.gif
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post #2 of 28
There's a chance that you will be able to unlock and utilize the extra cores. The only question you have to ask yourself is if the savings are worth the gamble.

It should be sufficient in something like CoD even as an X2, but personally I'd just get the 955.
955 is still BE and has the same overclocking potential as a 965, you just save $20.
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post #3 of 28
the x2 may or not unlock and getting to 3.7 on a 965 is easy
    
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post #4 of 28
Unlocking is a hit or miss. With the Phenom II X2, you only have a 40% or so chance of unlocking all the cores. Sometimes the cores are disabled due to it not having enough stability with the others enabled; other times they're disabled simply to meet the demands of the >$100 market.

I'd recommend, if you still want the L3 cache, four cores, and good OC capability you get the Phenom II X4 820 for only $105.

http://www.newegg.com/Product/Product.aspx?Item=N82E16819103824&cm_re=Phenom_II_X4_820-_-19-103-824-_-Product

Be advised, though, that it is an OEM processor. That means no manual or stock heatsink and fan. You'll have to either buy an HSF or use one you already have.
    
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post #5 of 28
I'd recommend just getting a Phenom II X4 955 BE. It's cheaper than the 965 and just 200mhz slower. You get guaranteed 4 cores as well.
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post #6 of 28
The 555 is not guaranteed to unlock to 4 cores. I have had 3 buddies i recommended that chip to. Two of them are running a full 4 cores. One would only unlock to x3. A 965 will go past 3.7GHz depending on setup. The one thing i noticed with the 555 unlocked was that it runs pretty hot and it is hard to determine how hot when overclocking as you will loose your core temp sensor readings.

Any newer mobo should unlock the 555 without a problem. At least I haven't run across one that hasn't. It all depends on the rest of your build to tell you the truth. I know the new cod:bo and games like bfbc2 and future bf3 are heavy CPU based.

I would personally recommend the 965 but you can always look at the 955 as well. Cut off same waffle but lower "quality" under AMD specs. This causes it to be clocked slightly lower and sold cheaper. It will overclock just about the same. From the research I have done most people with quality overclock builds are using a 955.
post #7 of 28
Thread Starter 
Quote:
Originally Posted by LOL_Wut_Axel;12453179 
Unlocking is a hit or miss. With the Phenom II X2, you only have a 40% or so chance of unlocking all the cores. Sometimes the cores are disabled due to it not having enough stability with the others enabled; other times they're disabled simply to meet the demands of the >$100 market.

I'd recommend, if you still want the L3 cache, four cores, and good OC capability you get the Phenom II X4 820 for only $105.

http://www.newegg.com/Product/Product.aspx?Item=N82E16819103824&cm_re=Phenom_II_X4_820-_-19-103-824-_-Product

Be advised, though, that it is an OEM processor. That means no manual or stock heatsink and fan. You'll have to either buy an HSF or use one you already have.

the 840 is $110 and 3.2ghz. can someone explain the deference beetween the 955 and 840? also if i were to get the 555, most games cant handle 4 cores, so if it wont unlock will it be much slower?
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post #8 of 28
Lower wattage design. No L3 cache. Not black edition (locked multi)
post #9 of 28
Thread Starter 
Quote:
Originally Posted by AMD_King;12453220 
The 555 is not guaranteed to unlock to 4 cores. I have had 3 buddies i recommended that chip to. Two of them are running a full 4 cores. One would only unlock to x3. A 965 will go past 3.7GHz depending on setup. The one thing i noticed with the 555 unlocked was that it runs pretty hot and it is hard to determine how hot when overclocking as you will loose your core temp sensor readings.

Any newer mobo should unlock the 555 without a problem. At least I haven't run across one that hasn't. It all depends on the rest of your build to tell you the truth. I know the new cod:bo and games like bfbc2 and future bf3 are heavy CPU based.

I would personally recommend the 965 but you can always look at the 955 as well. Cut off same waffle but lower "quality" under AMD specs. This causes it to be clocked slightly lower and sold cheaper. It will overclock just about the same. From the research I have done most people with quality overclock builds are using a 955.

forgot about temps lol. so ill prob go 955 and i just reized the dif in the post i made about the 840 and 955, the 955 is BE.
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post #10 of 28
Quote:
Originally Posted by The Overclocker;12453236 
the 840 is $110 and 3.2ghz. can someone explain the deference beetween the 955 and 840? also if i were to get the 555, most games cant handle 4 cores, so if it wont unlock will it be much slower?

Don't get the 840 it doesn't have L3 cache amd screwed up the numbering. The cheaper X4 you would want is the 820 which is a Phenom II with 4mb l3 cache. C2 stepping so it should clock to around 3.5-3.8. Would be a better CPU than gambling on the 555 for a similar price.
http://www.newegg.com/Product/Product.aspx?Item=N82E16819103824&cm_re=820-_-19-103-824-_-Product

COD:BO is a cpu intensive game that runs much better on quad cores. I would strongly suggest you buy a quad core instead of trying to unlock a 555 to a quad core. I had an X2 555 and it did not unlock and had difficulty with COD:BO and BFBC2 along with some other games (Warhamer 40k-DOW2, ME2, Dragon Age, GTA4).

Not all games benefit from a quad core but the ones that do it makes a huge difference. More and more new games are taking advantage of quad cores.
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