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Cheap AMD CPUs: best OC value?

post #1 of 11
Thread Starter 
Hey, I am going to be putting together an HTPC/cheap folding rig in the near future, and I was wondering if any of you could offer an opinion.

Which of these two processors would be more capable of overclocking? how about unlocking? I would be using this motherboard:

newegg

I will be using DDR2 memory, so the socket won't be the issue here (I think?)

How much does the L3 cache effect folding?

I know the 7850 is a black edition, but does the athlon ii have a better chance of unlocking or just have a higher OC potential in general?

edit: I am foreseeing the answer to tip the scales towards the athlon ii, since it is 45nm as opposed to 60 nm...

edit2: ugh nevermind the 7850 draws 95W!!! the athlon ii only 65... clear advantage, especially since I will be using a pretty cheap PSU.
Edited by keesh - 5/18/11 at 11:10pm
    
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post #2 of 11
my athlon is a x3 but it can unlock and oc. pretty beast lil chip
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post #3 of 11
Overclocking a quad on that board will blooooowwwwww
Get a low wattage one. 3+1 old unsinked power phase is a nono
    
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post #4 of 11
I'd go for the ahtlon II x3. The first generation phenom chips weren't so good.
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post #5 of 11
I would recommend against getting something that unlocks to potentially high TDP quad core (assuming you are going to try and unlock), on this board which is actually quite known for failures and VRM issues. One of OCN's members who is now a moderator in this section alongside me had a nightmare experience with this particular board before on a 95W TDP Athlon II x4 at stock.
post #6 of 11
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post
I would recommend against getting something that unlocks to potentially high TDP quad core (assuming you are going to try and unlock), on this board which is actually quite known for failures and VRM issues. One of OCN's members who is now a moderator in this section alongside me had a nightmare experience with this particular board before on a 95W TDP Athlon II x4 at stock.
Right, well if that is the case then I will

a) get the 65 W CPU

b) add a heatsink/fan to the VRMs

c) probably not unlock it

This is the only board I have now (I bought it before I knew anything about such matters as power phase or mosfets) so I want to make the best use of it.
    
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post #7 of 11
A 95W Athlon X2 would probably not nearly be as dangerous as a 65W Athlon II x2.... more cores can actually be a bit worse for power consumption even at the same TDP. For the latter 65W CPU as long as you use the stock cooler there's really no need for any more extra VRM cooling also.
post #8 of 11
Why not change the mobo? or is it a done deal?
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post #9 of 11
Phenom I based Athlons like the 7750/7850's don't unlock.
I have one in my server.
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post #10 of 11
I wouldent reccomend unlocking 3 core amd's.. they can be a low quality chip that has had an unstable core or even a core failure. the only time you can make sure you get a good chip is if you buy one directly from the manufaturer during a time of increased sales when there isnt enough suitible failed chips and genuine 4 core chips have had to been used.

I would recommend any of the low end phenoms..
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