this post was submitted on 16 Dec 2024
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Hi everybody!
I want to move my selfhosted services from a VPS to a PC in my house.
I have an E5-2620 and a it-6700K, which one would you pick and why?
The E5 already has 2 PCI-X each with 4 NIC (that I need to use with OpnSense to share my Internet connection with my neighbor) that I would need to throw away and buy as PCIe for the i7.
Thanks!

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[–] possiblylinux127@lemmy.zip 0 points 1 day ago (1 children)

Are you sure about the power usage part? They both have a TDP of about 60W.

[–] poVoq@slrpnk.net 4 points 1 day ago* (last edited 1 day ago)

As usual it depends (and TDPs are highly misleading). First of all the 6700k is a 14nm chip, Vs. 32nm for the E5-2620. And the 6700k is a Skylake generation chip, compared to Sandy Bridge for the Xeon, which brings significantly better power-states. But on the other hand the 6700k is much higher clocked and has turbo-boost, with the latter being notoriously power hungry (can be disabled in the bios though).

In my educated guess the 6700k will use significantly less power if it mostly idles or does only burst tasks, which is actually what most self-hosters have as as task-loads. But if you serve websites to thousands of users which results in a consistently high CPU load, the Xeon is probably overall the better chip, including power-consumption under load.

Edit: I realized now that it is a E5-2620v2, which is Ivy Bridge and 22nm. So the difference is probably less, but overall the same considerations apply.