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246

Got myself some energy monitoring Zigbee plugs and made an interesting discovery (sh.itjust.works)

submitted 2 weeks ago* (last edited 2 weeks ago) by [email protected] to c/[email protected]

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I'm in the process of getting my Home Assistant environment up and running, and decided to run a test: it turns out that my gaming PC (custom 5800X3D/7900XTX build) uses more power just sitting idle, than both of my storage freezers combined.

Background: In addition to some other things, I bought two "Eightree" brand Zigbee-compatible plugs to see how they fare. One is monitoring the power usage of both freezers on a power strip (don't worry, it's a heavy duty strip meant for this), and the other is measuring the usage of my entire desktop setup (including monitors and the HA server itself, a Lenovo M710q).

After monitoring these for a couple days, I decided that I will shut off my PC unless I'm actively using it. It's not a server, but it does have WOL capability, so if I absolutely need to get into it remotely, it won't be an issue.

Pretty fascinating stuff, and now my wife is completely on board as well; she wants to put a plug on her iMac to see what it draws, as she uses it to hold her cross-stitch files and other things.

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[–] [email protected] 2 points 2 weeks ago* (last edited 2 weeks ago)

100W while idling seems like way too much?

Edit: maybe not, they list 75W for whole system idle here with 5800X3D.

[–] [email protected] 1 points 2 weeks ago

I love my old desktops that pull almost nothing.

[–] [email protected] 1 points 2 weeks ago (1 children)

What res is that monitor ? My 2k monitor is pretty hungry compared to my old 1080. Even just looking at the uk energy efficiency ratings for 4k tells shocks me !

[–] [email protected] 1 points 2 weeks ago* (last edited 2 weeks ago) (4 children)

Right now I just run dual 1080p. I plan on upgrading to a 120Hz+ 1440p ultrawide at some point, but priorities... My entire desk setup is currently consuming 12 watts with the PC shut off. That's ~90W just from the PC.

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[–] [email protected] 1 points 1 week ago (1 children)

Yeah, I've actually been pretty disappointed as of late with the power consumption of my custom PCs. I actually can't remember the last time I had a PC with sleep states that actually work, maybe it was 8 years ago?

On my last motherboard, whenever you woke the machine from sleep, some board modules wouldn't power up correctly, you had to restart to get full functionality again. I have a second PC as a home media server, that one never fully wakes up from any sleep state (luckily it's a server, so it's always on). My current gaming PC regularly crashes whenever the machine is (ironically) at low processor load. (That's the amd automatic energy saving features totally failing)

I don't know whether to blame the motherboards, the processors, or the OS, but any way you slice it, my computers are only happy if they're consuming 300 watts all the time...

And on the other hand, I gather chest freezers are actually decently efficient.

[–] [email protected] 1 points 1 week ago* (last edited 1 week ago)

Chest freezers are very efficient. Ours is usually full, so it stays nice and cold unless you leave it unplugged for like a week straight.

I am curious to see what the PC's power usage looks like when I switch to Linux...

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