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Need help choosing an amd cpu for my pc

Tags:
  • Chipsets
  • CPUs
  • AMD
  • Dual Core
  • Motherboards
  • Southbridge
  • Hewlett Packard
Last response: in CPUs
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July 17, 2013 12:48:40 AM

hello i have an HP pc with a dual core socket AM2 motherboard heres the info from the HP site »HP Compaq dc5850 Small Form Factor PC (ENERGY STAR)
Serial Number: 2UA8321FGG
Product Number: AM500AW

here is the mobo info from SPECCY Manufacturer Hewlett-Packard
Model 3029h (XU1 PROCESSOR)
Chipset Vendor AMD
Chipset Model 780G
Chipset Revision 00
Southbridge Vendor AMD
Southbridge Model SB700
Southbridge Revision 00

i asked on the HP forums but to be honest they dont know crap right now i have a dual core athlon x2 5800+ cpu and i wanna upgrade to something better so can some one please help me find a cpu thats better then the athlon 64 x2 but that will run on my board i upated to the latest hp bios and i did look at the downloadable manual but the cpu upgrade list isnt specific so please help me find the best cpu for this board that will help me run games better then my current cpu thanks

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July 17, 2013 12:58:20 AM

probably not going to find a cpu better then that 5800+ for that board. If your board was an AM2+ we could probably help you find a compatible PhII for you, but unfortunately the original Phenom was generally slower then the late run Athlons... the fastest cpu you could squeeze onto that board would be only slightly faster then what you've got, a 6000+ dual core.

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July 17, 2013 1:09:08 AM

is there any way i can find out if its an am2+ board hp's website says it is and isnt an am2+
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July 17, 2013 1:48:25 AM

Kaitlin Kaschak said:
is there any way i can find out if its an am2+ board hp's website says it is and isnt an am2+


http://h10010.www1.hp.com/wwpc/ca/en/sm/WF06b/12132708-...

says you have DD22 ram. so it is AM2+.

I have a similar board and i am using Phenom II x4.

your CPU is Athlon™ Dual-Core 4450B which is a 45 W CPU. assuming that your mobo will support upto 95 W, you can go to Phenom II x4 945 C2 revision.

I think 5800+ is also 95 W and under the same assumption, you can also use it
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July 17, 2013 1:48:49 AM

ok. you're right, i've looked it up, it's an AM2+ mb... which means if you can find a good bios update you can stick a Phenom II x4 into it... if you update the bios to the latest version you should be able to use these cpus,

Phenom II X4 920/940
Phenom II x3 715

... trick is i'm not sure your mb can handle a 125W cpu... the bios notes are very vague claiming compatibility to phenom II with a stepping version of "c2" or a product number in a 5xx range trick is those cpus i listed are the only AM2+ phenomIIs with c2 stepping, while all the 5xx series are AM3... considering many AM3 cpus can work on an AM2+ mb, we may be able to assume all the AM3 cpus with c2 stepping will work as well... those would be

PhII x4 900e/905e/910/910e
PhII x4 805/810/820
PhII x3 (the whole lineup)
PhII x2 545/550be

the PhII x4 940 would probably be the best compatible cpu you can put into that motherboard (assuming the mb is compatible... as i said the bios notes are vague)
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July 17, 2013 2:02:11 AM

ingtar33 said:
ok. you're right, i've looked it up, it's an AM2+ mb... which means if you can find a good bios update you can stick a Phenom II x4 into it... if you update the bios to the latest version you should be able to use these cpus,

Phenom II X4 920/940
Phenom II x3 715

... trick is i'm not sure your mb can handle a 125W cpu... the bios notes are very vague claiming compatibility to phenom II with a stepping version of "c2" or a product number in a 5xx range trick is those cpus i listed are the only AM2+ phenomIIs with c2 stepping, while all the 5xx series are AM3... considering many AM3 cpus can work on an AM2+ mb, we may be able to assume all the AM3 cpus with c2 stepping will work as well... those would be

PhII x4 900e/905e/910/910e
PhII x4 805/810/820
PhII x3 (the whole lineup)
PhII x2 545/550be

the PhII x4 940 would probably be the best compatible cpu you can put into that motherboard (assuming the mb is compatible... as i said the bios notes are vague)


that list is good. expect 940 is 125W. i wouldn risk it.

easiest way to know if your mobo does 125W is by opening up your chasing and check if the CPU power supply is 4 pin (less than 125W) or 8 pin (125W). This is not always true, but is generally correct assumption

link to pic
http://www.playtool.com/pages/psuconnectors/12v4pin.jpg
http://www.playtool.com/pages/psuconnectors/eps.jpg
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July 17, 2013 2:10:37 AM

sarwar_r87 said:
that list is good. expect 940 is 125W. i wouldn risk it.

easiest way to know if your mobo does 125W is by opening up your chasing and check if the CPU power supply is 4 pin (less than 125W) or 8 pin (125W). This is not always true, but is generally correct assumption

link to pic
http://www.playtool.com/pages/psuconnectors/12v4pin.jpg
http://www.playtool.com/pages/psuconnectors/eps.jpg


my mb has a robust 8+1 power phase system with 140W cpu compatibility, and it's just a 4 pin. so this isn't a 100% true. The problem is that first list was the only AM2+ cpus with c2 stepping. And every one of them is a 125W cpu. The 2nd list of the AM3 cpus are all sub 100W cpus... Since an athlon x2 6000+ is a 125W cpu and apparently that mb can handle it, i would expect the Phenom II x4 940 would work.

that said "suspect" isn't know. i would do further research if i was the OP. even contact HP about it.

Kaitlin Kaschak said:
heres the link to the HP pc i have please tell me what socket type i have as the link you posted is the wrong pc thanks btw my cpu TDP cant be more then 95W

http://h10010.www1.hp.com/wwpc/ca/en/sm/WF06b/12132708-...


your cpu socket is an AM2+, we're discussing what cpus you can use, going on the vague bios update notes. I would suggest you contact HP to get a list of compatible cpus. If its true your computer can't handle more then a 95W cpu, i would suggest you get one of these...

PhII x4 900e/905e/910/910e
PhII x4 805/810/820
PhII x3 (the whole lineup)
PhII x2 545/550be

they're all under 100W, trick is they're all AM3 cpus. that doesn't mean much, many AM3 cpus work fine in AM2+ sockets, they all are c2 stepping cpus... and we know the x2s are all good for your mb as those are the only cpus the bios was specific about. The rest is a big ???
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July 17, 2013 2:16:37 AM

did i mention "This is not always true, but is generally correct assumption" :p  imples same as suspect! :p 

you can never trust the service desk ppl 100% either. also not all C2 cpu are 125W. i am still on x4 945 and its 95W :)  955 is the first C2 CPU that is 125W

but your logic regarding 125W support is a reasonable extrapolation of the given facts too

i believe all PII was backward compatible to AM2+. and since they claim BIOS update is available, it should be fine with any PII CPU under your assumption ( under 140W ?).
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July 17, 2013 2:21:19 AM

sadly it seems like HP is unwilling to offer me any help seeing as how my pc came out in 2008
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July 17, 2013 2:23:04 AM

sarwar_r87 said:
i believe all PII was backward compatible to AM2+. and since they claim BIOS update is available, it should be fine with any PII CPU under your assumption ( under 140W ?).


most are backward compatible... but not all are FULLY functional when on an AM2+ mb... it comes down to bios updates mostly. I would be willing to bet the PhII x4 940 would work with his mb pretty flawlessly. it's part of the first gen of PhIIs, it's one of the few PhIIs which was AM2+ specific, and if his mb ever supported a 125W Athlon x2 6000+ cpu it would likely support this one too.
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July 17, 2013 2:32:16 AM

the main difference is the memory you can use. There is a very minimal performance difference in DDR2 and DDR3, you'll loose at most 5% performance.
the other difference is Cool n quiet and power management. but its not like it will have worse power performance using a purely a second gen PII compared to a 1st gen. these are facts.

if he has BIOS support he is good.

did i mention i am using a X4 945 on a 785 AM2+ board?

the real question is can his mobo handle 125W. not 1st/2nd/3rd gen! I wouldn put a 125W CPU on that mobo based on your extrapolations and blow things up and/or experience instability. just my two cents

@OP: use CPUZ to find the make and model of your mobo. maybe we can find info on it than
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July 17, 2013 2:36:11 AM

sarwar_r87 said:
the real question is can his mobo handle 125W. not 1st/2nd/3rd gen! I wouldn put a 125W CPU on that mobo based on your extrapolations and blow things up and/or experience instability. just my two cents

@OP: use CPUZ to find the make and model of your mobo. maybe we can find info on it than


yeah... that's my concern too.
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December 31, 2013 3:27:58 PM

ingtar33 said:
probably not going to find a cpu better then that 5800+ for that board. If your board was an AM2+ we could probably help you find a compatible PhII for you, but unfortunately the original Phenom was generally slower then the late run Athlons... the fastest cpu you could squeeze onto that board would be only slightly faster then what you've got, a 6000+ dual core.



I've found with CPUZ that under the CPU section, within the package area it tells what kind of package you have. Mines: Socket AM2+ (940). I mean that's all within the processor but I think it shows us something right?
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