a few power measurements of PC system boxes

phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org
Tue Aug 10 18:24:24 UTC 2010


Very interesting. 165 watts! Wow.

Peter

> I have a cheap meter that measures power consumption of a device.  Rougly
> like this one
> <http://www.canadiantire.ca/AST/browse/3/HouseHome/2/Electrical/ElectricalTesters/PRD~0528851P/Blue%252BPlanet%252BElectronic%252BEnergy%252BMeter.jsp?locale=en>
> (I cannot see the main picture because it is Flash; without seeing it, I
> cannot say if the use of Flash is gratuitous.)
>
> Out of curiousity, I measured four systems in my house.  Here's what I
> found.  Note: I am only measuring the system box, not the monitors.
>
> ================
>
> Acer Revo R1600 (little single-core Atom "nettop" box)
> - nVidia ION for accelerated video
> - 160G notebook drive
> - 2G of SODIM ram.
> - running 64-bit Ubuntu 10.04
> - power supply is like a notebook's: an outboard brick.
> - Ubuntu 10.04
>
> off: 3w
> power on: 20-30w
> login: 23w
> startup FireFox: 23-27w
> CPU-bound: 23-27w
>
> ================
>
> Foxcon MiniITX dual-core Atom Box
> <http://www.newegg.ca/Product/Product.aspx?Item=N82E16856119024>
> I added 2G of RAM and a Western Digital "Green" drive (wd15eads).
> Running 64-bit RHEL 6.0 beta2 refresh
>
> off: 7w (internal power supply still powers some things)
> booting: 41-48w (mostly 42w)
> login screen: 38-40w
> 100% CPU: 40w
> disk active (find / -name never): 40w
> during normal usage (whatever that means): 40w
>
> ================
>
> cheap AMD box
> - ECS ECS BLACK SERIES GF8200A (V1.0) AM2+/AM3 NVIDIA GeForce 8200
>   HDMI ATX AMD Motherboard
> - AMD Athlon II X2 240 Dual Core Processor ADX240OCGQBOX - 2.80GHz,
>   Socket AM3, 2MB Cache, "65w"
> - two Hauppauge HVR-1600 tuners
> - one Adaptec VideOh! tuner
> - Seagate ST31500341as 7200RPM disk drive
> - Antec SP-450 power supply
> - Running 64-bit MythBuntu 10.04
>
> off: 11w
> booting: 100-119w (mostly 102w)
> login screen: 102w
> waiting for password at start of "Software Update": 93w
> 100% CPU-bound (one task, not two): 124w
> normal sage: 93-97w
>
> ================
>
> HP Pavilion A6245n (Core 2 Quad 6600, intel chipset)
> - 6G DDR2, 320G 7200 RPM Seagate ST3320820as drive
> - Asus EAH3650 Silent Magic video card (ATI, no fan)
> - running 64-bit Fedora 13
>
> Off: bounces between 0w and 4w
> booting: 120-160w (a bit less once Linux starts up)
> login screen: 109-115w
> after login: same
> starting FireFox with a lot of saved windows and tabs:
>   up to 150w, mostly 140w
> idle, with screen blanked: 110-141w (more often 110w)
> 1 CPU-bound task: 138-163w (140w common)
> as I type this: 113-165w; under 12w common
> --
> The Toronto Linux Users Group.      Meetings: http://gtalug.org/
> TLUG requests: Linux topics, No HTML, wrap text below 80 columns
> How to UNSUBSCRIBE: http://gtalug.org/wiki/Mailing_lists
>


-- 
Peter Hiscocks
Syscomp Electronic Design Limited, Toronto
http://www.syscompdesign.com
USB Oscilloscope and Waveform Generator
647-839-0325

--
The Toronto Linux Users Group.      Meetings: http://gtalug.org/
TLUG requests: Linux topics, No HTML, wrap text below 80 columns
How to UNSUBSCRIBE: http://gtalug.org/wiki/Mailing_lists





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