"upgrade" from 4670k to 3930k?

Solution
Well that is a mixed bag. the haswell i5 or i7 with 8 and 9 series chipsets, Notably the H97 and Z97 have more features. One of the most important to me is the 6 Sata 6gb/s. Not to mention PCI-E 3.0 is not available for Sandy Bridge. Unless you need the extra threads for productivity then i cannot see a compelling reason to use the older x79/i73930K combo. Plus very few games can make very good use of 4 Cores let alone 6 right now. On the other hand the i7 3930K is an Extreme Edition SKU and offers better overclocking and better temperatures then an i5 4690k. Keep in mind even with the best "silicon" the motherboard plays a bigger role in Stability and higher frequency with X79 platform.
All in all it is going to perform slightly...

chromic

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Jan 6, 2013
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the 3930k and rampage dont have warranty left anymore (more than 3 years old )

e: my plan was to sell my current setup : 4670k + msi gaming 5 and buy the 3930k & rampage, but im afraid that it will "burn" etc since its fairly old
(i plan to keep it for ~2 years if i get it)
 

Vitric9

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Well that is a mixed bag. the haswell i5 or i7 with 8 and 9 series chipsets, Notably the H97 and Z97 have more features. One of the most important to me is the 6 Sata 6gb/s. Not to mention PCI-E 3.0 is not available for Sandy Bridge. Unless you need the extra threads for productivity then i cannot see a compelling reason to use the older x79/i73930K combo. Plus very few games can make very good use of 4 Cores let alone 6 right now. On the other hand the i7 3930K is an Extreme Edition SKU and offers better overclocking and better temperatures then an i5 4690k. Keep in mind even with the best "silicon" the motherboard plays a bigger role in Stability and higher frequency with X79 platform.
All in all it is going to perform slightly better in many ways though the i5 is a good enough CPU for anything really.
 
Solution

Vitric9

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Yes. Most x79 motherboard have support for PCI-E 3.0, Even z68 is compatible with PCI-E 3.0. Though the Sandy Bridge processors have PCI-E 2.0 and PCI-E 2.1. Of course it will still work just the same gaming. I only mentioned it for total bandwidth available across all pci-e lanes. Not really an issue unless your adding more expansion cards. Mind that some that are on the X79/3930k platform have a Sata 6Gb/s Raid card.
 

RobCrezz

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Sandybridge-E on socket 2011 supports pcie-3.0

http://www.anandtech.com/show/5264/sandy-bridge-e-x79-pcie-30-it-works