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AMD Phenom II 720 BE or Athlon II X4 640?

post #1 of 20
Thread Starter 
Hello!
I'd like to buy a new processor (and a new mobo but thats offtopic) .
The dilemma is either Phenom II 720BE or Athlon II X4 640 .
The phenom is with 3 cores but athlon with 4... I don't really know how to compare them so I need your help!
Please give your honest opinions !
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post #2 of 20
I'd go with the Phenom, it has more cache, unlocked multiplier and the potential to unlock the 4th core - even if you cannot unlock the 4th core, it would be a speedy option (and most games don't use more than 2 cores at the moment)
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post #3 of 20
I always *even though i'm not sure* always go for the latest tech, so, in this case, I'll go for the phenom. It's a BE edition, so it'll be easier for you to overclock the chip compared to the athlon. *From what I've read back then that is*
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post #4 of 20
Thread Starter 
Reps for quick answers ! However i'd need more opinions to confirm my choice! Would the phenom heat more?
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post #5 of 20
Depends which stepping you get on the Phenom or the Athlon.

C2 stepping will produce more heat and not overlock as high. C3 stepping the opposite.

For gaming, definitely go with the Phenom. Good chance to unlock a core, and the unlocked multiplier and L3 cache will be of benefit.
post #6 of 20
Thread Starter 
How can I tell which stepping is the processor? Is it written on the box or should it be in the PC ?
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post #7 of 20
The Phenom would perform better than the Athlon overall if unlocked. The Athlon stands stronger overall, but your Phenom locked would be a stronger per core solution and thus better for gaming.
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post #8 of 20
The 720 will be better overall when compared to 640.

http://www.anandtech.com/bench/Product/188?vs=83.

Plus, from my own experience, the 720 OCs better than the 620 (which is a downclocked 640)
 
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post #9 of 20
i have the x3 740, great processor, games very well and unlocks to x4. Hits a wall at 3.6ghz when overclocking due to it being c2 stepping but its still a great processor
post #10 of 20
i just unlocked the L3 on my athlon II 630. Food for thought.
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