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Old 03-08-2012, 02:13 AM   #1
Michael REMY
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Question what is the difference between xeon E5-1620 and xeon E3-1290 cpus ?

hi,


does anybody explain why the price is triple between this 2 cpu ?

xeon E5-1620 and xeon E3-1290



it seems, the features are the same, aren't they ? Even the cheaper seems to very better than the more expensive one !

http://ark.intel.com/fr/compare/55452,64621

here the technical infos :

http://ark.intel.com/fr/products/64621/Intel-Xeon-Processor-E5-1620-(10M-Cache-3_60-GHz-0_0-GTs-Intel-QPI)

http://ark.intel.com/fr/products/554...he-3_60-GHz%29

thanks for advice.
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Old 03-08-2012, 02:51 AM   #2
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Xeon E3 is based on the desktop Sandy Bridge platform with 2 channel DDR3 memory controller. It also has 16 PCI Express 2.0 channels on the CPU in addition to the ones on the companion chip.

Xeon E5 is based on the new Sandy Bridge EP die with 4 channel DDR3 memory controller. E5 chips feature 40 PCI Express 3.0 lanes on the CPU in addition to ones in the companion chip.
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Old 03-09-2012, 12:17 PM   #3
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Double memory bandwith.

Max RAM E3: 32 GB
Max RAM E5: 375 GB.


Savvy?
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Old 03-09-2012, 12:31 PM   #4
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they're both phantom chips
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Old 03-09-2012, 04:16 PM   #5
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In addition to what IntelUser stated:

The E3 supports only single socket systems.

The E5 supports dual and possibly quad socket systems (depending on chip).
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Old 03-09-2012, 04:18 PM   #6
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Quote:
Originally Posted by MisterMac View Post
Max RAM E5: 375 GB.
Huh?

375 / 8 slots = 46.875GB per slot.
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Old 03-09-2012, 04:23 PM   #7
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Quote:
Originally Posted by Edrick View Post

The E5 supports dual and possibly quad socket systems (depending on chip).
Unless they swap naming conventions again, I wouldn't expect anything with an e5 designation to be a capable of anything more than dual processor functionality.

The 4+ capable ones are typical 7's (E7, the older 7xxx series, etc)
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Old 03-09-2012, 04:47 PM   #8
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Quote:
Originally Posted by Ferzerp View Post
Unless they swap naming conventions again, I wouldn't expect anything with an e5 designation to be a capable of anything more than dual processor functionality. The 4+ capable ones are typical 7's (E7, the older 7xxx series, etc)
Thats what I thought as well. But I do see mention of quad socket support for E5s. I hope I can get some conclusive proof on that.
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Old 03-09-2012, 05:15 PM   #9
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Quote:
Originally Posted by Edrick View Post
Thats what I thought as well. But I do see mention of quad socket support for E5s. I hope I can get some conclusive proof on that.
http://www.laptopmacdriver.com/lapto...-released.html

Quote:
Besides those processors, Intel proudly announced a quad-socket version of the Sandy Bridge-EP, the E5-4600
E5-1600 series - 1 socket
E5-2600 series - 2 socket
E5-4600 series - 4 socket
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Old 03-09-2012, 10:59 PM   #10
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Yay. Another nomenclature change. Intel is horrible about those.
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Old 03-10-2012, 07:06 PM   #11
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hi, does anyone know if E5-16xx processors support registered ECC memory?
thx.
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Old 03-19-2012, 09:04 AM   #12
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Quote:
Originally Posted by andrewpsy View Post
hi, does anyone know if E5-16xx processors support registered ECC memory?
thx.
yes, I asked Supermicro tech support the same question and they confirmed
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Old 03-19-2012, 12:02 PM   #13
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Quote:
Originally Posted by Edrick View Post
Huh?

375 / 8 slots = 46.875GB per slot.
375 also implies one or all ram dimms are odd numbers and as the only odd number RAM dimm I am aware of is 1GB maybe there is a special mobo out there with 375 ram slots
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Old 03-19-2012, 12:32 PM   #14
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(del)
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Old 03-20-2012, 08:28 AM   #15
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Quote:
Originally Posted by tynopik View Post
http://www.laptopmacdriver.com/lapto...-released.html



E5-1600 series - 1 socket
E5-2600 series - 2 socket
E5-4600 series - 4 socket
That's a..strange changes. Where will be E7's place? Will E7 just mean better RAS in the future? I quite don't understand their approach
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