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Energy efficiant AMD 'E' series cpu's. Exspensive?

post #1 of 12
Thread Starter 
I was looking at building a media box and I saw that AMD has energy efficient processes. I was looking at the Phenom II X4 910e & the Athlon II X4 620e. Very hard to find though, not a lot of places stock them.

But every store that has them on sale it cost more than the latest X6 1100T!!!! Why is this so? I would think they would be cheaper to make.
    
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post #2 of 12
AMD E-series are intergated into the motherboard. You can't buy just the CPU.

The price is for the CPU+motherboard. The E-350 platform begin at around $100.
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post #3 of 12
Quote:
Originally Posted by DuckieHo View Post
AMD E-series are intergated into the motherboard. You can't buy just the CPU.

The price is for the CPU+motherboard. The E-350 platform begin at around $100.
And this makes it great for HTPC's
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post #4 of 12
Thread Starter 
Quote:
Originally Posted by DuckieHo View Post
AMD E-series are intergated into the motherboard. You can't buy just the CPU.

The price is for the CPU+motherboard. The E-350 platform begin at around $100.

I'm not talking about new chips I mean these

http://www.newegg.com/Product/Produc...82E16819103907
http://www.newegg.com/Product/Produc...82E16819103899

Why are they so dear, i though being lower watts would be cheaper
    
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post #5 of 12
i keep looking at these for my boys computer,he has an single core 1.9ghz am2 and his mobo can only take 65w chips,so a 2.6 quad would be a monster upgrade for him.
you can find those chips much cheaper on ebay
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post #6 of 12
Quote:
Originally Posted by consumer View Post
I'm not talking about new chips I mean these

http://www.newegg.com/Product/Produc...82E16819103907
http://www.newegg.com/Product/Produc...82E16819103899

Why are they so dear, i though being lower watts would be cheaper
Because those are low wattage quad core CPUs...
They have fewer cores than a 6 core but require a special Fab process and higher quality parts to manufacture if my understanding is correct. Hence the higher price.
If you are going AMD buy an athlon II X2 and a GT430/ATI 5450 or one of the Llanos. Or just buy a normal Athlon II X4 and underclock/undervolt it.
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post #7 of 12
Quote:
Originally Posted by consumer View Post
I'm not talking about new chips I mean these

http://www.newegg.com/Product/Produc...82E16819103907
http://www.newegg.com/Product/Produc...82E16819103899

Why are they so dear, i though being lower watts would be cheaper
It seems like AMD is expecting you to pay a premium right now so that you can save in the future (in the long run)...
 
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post #8 of 12
Thread Starter 
Quote:
Originally Posted by onoz View Post
It seems like AMD is expecting you to pay a premium right now so that you can save in the future (in the long run)...
Yeah true. Kind of disappointing and eBay is a crap shoot really. usually works out more exspensive
unless it's dodge.
Edited by consumer - 7/21/11 at 10:29am
    
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post #9 of 12
Can't you just buy a Phenom II 955/940 and underclock them to 2.8ghz and undervolt them to less than 1.2v? that would easily make them very energy efficient.
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post #10 of 12
Quote:
Originally Posted by consumer View Post
I'm not talking about new chips I mean these

http://www.newegg.com/Product/Produc...82E16819103907
http://www.newegg.com/Product/Produc...82E16819103899

Why are they so dear, i though being lower watts would be cheaper
Because they are speciality bins. Like Intel Extreme CPUs which are just higher clocked versions of standard CPUs, you have to pay a premium.

Quote:
Originally Posted by Devilmaypoop View Post
Can't you just buy a Phenom II 955/940 and underclock them to 2.8ghz and undervolt them to less than 1.2v? that would easily make them very energy efficient.
Yes, but:
1) You cannot guarantee it will work.
2) Not all motherboards provide those BIOS options.
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