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Old 23-10-2006, 11:43 AM   #1
eva2000
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Cool Power-Mate power meter - measuring system power consumption

I finally found an Australian power wattage meter so I can measure pc system power consumption. Amercians have their Kill-A-Watt meters which are very cheap but us Aussies don't have such a cheap device. So for us Australians, I found and bought the Power-Mate power meter listed on Alternative Technology Association for AUD$295 + 10 postage and is an Australian invented device by Mike Russ - featured on ABC's New Inventors program http://www.abc.net.au/newinventors/txt/s1330918.htm
The Power-Mate is a device that is inserted between the main’s power outlet and an appliance’s power plug. The device can accurately measure and calculate power, volts, amps and energy being used by an electrical appliance. The Power-Mate can also measure the greenhouse gas emission created by an appliance. The highlight of the device is its ability to determine the actual running cost of an electrical appliance.
The Power-Mate power meter arrived today in a simple Austpost postpak bag and here's some pictures of the simple plain white box and it's contents - Power-Mate meter and manual.





From the manual it says only to use the Power-Mate, with mains power or pure sinewave inverters. Squared or Quasi sinewave inverters will damage the Power-Mate.

So I decided to test it on my current setup but pulled the psu power connector from my APC BackUPS RS 1500VA UPS and used mains power.

System:
I tested 2 system clocks @2400Mhz at 1.275v bios (1.259v) and @3600Mhz at 1.425v bios (1.394v) with dual stressprime Orthos and TAT cpu load tests.

@2400Mhz at 1.275v bios (1.259v)
Windows Idle watts = 122.5W / (0.563A)
Windows Orthos Load watts = 164.8W
Windows TAT Load watts = 173.5W / (0.777A)

@3600Mhz at 1.425v bios (1.394v)
Windows Idle watts = 146.2W / (0.673A)
Windows Orthos Load watts = 227.4W
Windows TAT Load watts = 248W / (1.094A)

As suspected TAT's internal cpu load test heats up the cpu more than dual stressprime Orthos load testing and it shows in the power consumption readings

I'm using 128MB Gainward FX5200 PCI card video card so naturally system power consumption is much lower. I will test again with higher end video cards later

Last edited by eva2000; 24-10-2006 at 05:37 PM.
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Old 23-10-2006, 11:43 AM   #2
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Re: Power-Mate power meter - measuring system power consumption

Time to swap out the 128GB Gainward FX5200 PCI video card for 2x 256MB BFG 7800GTX SLI video cards with modded bios at 473(525)/1350 clock speed.

System:

System Power Consumption

I measured the system total power consumption using a Power-Mate power meter http://www.power-mate.com.au/. Also
ran 3dmark06 and PCmark05 and recorded the peak power draw values listed below.



@2400Mhz at 1.275v bios (1.259v)
Windows Idle watts = 187.7W
Windows Orthos Load watts = 231.9W
Windows TAT Load watts = 240.8W

PCmark05 = 359.8W peak

3dmark06 = 344.1W peak
Return to Proxycon = 337.9W
Firefly Forest = 344.1W
CPU1 - Red Valley = 253.5W
CPU2 - Red Valley = 266.3W
1 - Canyon Flight (SM 3.0) = 334.1W
2 - Deep Freeze (SM 3.0) = 335.7W



@3600Mhz at 1.425v bios (1.394v)
Windows Idle watts = 218.9W
Windows Orthos Load watts = 303.7W
Windows TAT Load watts = 324.4W

PCmark05 = 401.3W peak

3dmark06 = 394.8W peak
Return to Proxycon = 386.5W
Firefly Forest = 394.8W
CPU1 - Red Valley = 290.6W
CPU2 - Red Valley = 289.6W
1 - Canyon Flight (SM 3.0) = 384.9W
2 - Deep Freeze (SM 3.0) = 384.9W

For the stressprime 'Orthos' and TAT load tests there wouldn't be as much a power draw difference between 7800GTX SLI vs FX5200 PCI since there isn't any video card load in those tests. You can see the difference in power draw when video card load comes into play with 7800GTX SLI configuration.

Last edited by eva2000; 03-11-2006 at 05:18 AM.
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Old 23-10-2006, 02:20 PM   #3
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Re: Power-Mate power meter - measuring system power consumption

Wicked eva,
So that would tell you exactly how big a PSU you'd need?
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Old 23-10-2006, 02:30 PM   #4
eva2000
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Re: Power-Mate power meter - measuring system power consumption

Yeah sort of.. will tell much power the entire system uses etc.

The Power-Mate arrived just in time since i'm testing 850W OCZ GameXStream, 600W OCZ EvoStream and today a new even beefier psu arrived - one of the best looking and sized psu I have seen in a long while
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Old 24-10-2006, 01:31 AM   #5
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Re: Power-Mate power meter - measuring system power consumption

Shuold be very interesting seeing which PSU uses the least power doing the same load test
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Old 24-10-2006, 04:28 PM   #6
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Re: Power-Mate power meter - measuring system power consumption

IT's interesting to see TAT show a higher load Wattage hmmm
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Old 03-11-2006, 05:22 AM   #7
eva2000
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Re: Power-Mate power meter - measuring system power consumption

Added more power consumption tests in 2nd post



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Old 22-05-2007, 12:43 PM   #8
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Re: Power-Mate power meter - measuring system power consumption

Whats the difference between the Powermate 10amp and 10amp HD ?
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