Overclock.net › Forums › Components › Power Supplies › Power consumption of my system
New Posts  All Forums:Forum Nav:

Power consumption of my system

post #1 of 19
Thread Starter 
I just got a new Kill-a-Watt (old one got lost like a year ago) and I'm measuring the AC pull from the wall for my signature rig (Athena).

That is,

Q9550 @3.4GHz 1.05V
Asus P5Q Pro
4GB OCZ DDR2 1066 CL5
2x Sapphire Radeon HD4870 1GB @775/1000
Creative X-fi XtremeGamer
Two mechanical hard drives and one SSD
DVD+/-RW drive
Five 120mm fans, one 92mm fan, all with LEDs
Antec HCP-1200 engineering sample



Methodology:
The Kill-a-Watt power meter is plugged into a power strip, and my computer's power cord is plugged into the Kill-a-Watt meter. I perform the computer task I am testing and watch the Kill-a-Watt's display. I record as the continuous range the lowest and highest readings sustained for at least one second. I will also record any notable <1s peak readings. All readings are rounded to the nearest 5W. I then calculate an approximate DC wattage based on a graph of my PSU's 120VAC efficiency.

PSU efficiency:
I've acquired an efficiency curve graph for this power supply. It's a different marque, so efficiency may vary, but this will give an approximate idea as to DC power consumption.


Misc:
Standby: 0.8WAC (probably an erroneous reading--Kill-a-Watt isn't too accurate that low)
Startup: 60-250WAC (280W peak) - 40-220WDC (245W peak)
Idle on desktop: 245-250WAC - 215-220WDC
Heavy Multitasking: 245-255WAC - 215-220WDC
Music from CD: 255-260WAC - 220-230WDC
720p Youtube: 255-260WAC - 225-230WDC

Stress Tests:
3DMark06 GPU test 1: 325-360WAC - 290-320WDC *
3DMark06 GPU test 2: 325-360WAC - 290-320WDC *
3DMark06 CPU tests: 285-300WAC - 250-270WDC *
3DMark06 GPU test 3: 355-400WAC - 315-360WDC *
3DMark06 GPU test 4: 315-325WAC - 280-290WDC *
Intel Burn Test (High): 340-345WAC - 300-305WDC
Prime95 Large FFTs: 315-345WAC - 280-305WDC
Furmark Multi-GPU 1.8.2: 405-415WAC - 375-390WDC **
Furmark+IBT: 430-500WAC - 400-455WDC **

*3DMark06 was tested at the default settings; that is, 1024x768 resolution, low AA&AF.
** Furmark was tested at 1920x1080, Xtreme Burn mode, displacement mapping, PostFX, MSAA x8

Games:
(All games are tested at 1920x1080, or if not then at their highest available resolution, with all available graphics settings set to maximum)
Crysis (Typical level): 350-380WAC - 315-345WDC
Crysis (Final level): 390-420WAC - 360-395WDC
Just Cause 2: 330-385WAC - 295-350WDC
Fallout: New Vegas: 335-355WAC - 300-315WDC
Minecraft Beta: 280-320WAC - 245-285WDC
Super Meat Boy: 250-260WAC - 220-230WDC


Highest load seen: 455WDC / 500WAC
(Under Furmark + Intel Burn Test)


Upcoming:
Maybe some more games?

Final note:
Back when I had my original Kill-a-Watt and only one 4870 I recorded as the maximum in Furmark+IBT just 325WDC, and I recall gaming usually being in the 200-275W range. I don't have those precise figures though. This does indicate that a second 4870 added approximately 130W maximum; since the second card doesn't consume as much power as the first, and a single 4870 is recorded as taking about 150-170W on its own, this jives with common knowledge.
Edited by Phaedrus2129 - 1/15/11 at 6:08pm
post #2 of 19
This should get interesting.
442
(15 items)
 
Q6600
(14 items)
 
Piece O' Crappola
(13 items)
 
CPUMotherboardGraphicsRAM
Q9550 E0 DFI LanParty LT P35-T2R 2 x HD4670QT512P CF Patriot PVS24G8500ELKN 
CoolingOSMonitorPower
Stock pfsense Acer H233H Antec EarthWatts 430 
CaseAudio
custom onboard 
CPUMotherboardGraphicsRAM
Q6600 B3 Lapped @ 3.4 GA-EP45-UD3R EVGA 9600GSO 384m 96SP 4G (2x2) Patriot Viper PC2-8500 
Hard DriveOptical DriveCoolingOS
80g Maxtor, 320WDC. 320Seagate NEC ND-3550 & LiteOn CM Hyper 212+ w/PP Blademasters XP Pro SP3 
MonitorPowerCase
Acer H233H Rosewill RG630-S12 NZXT BetaEVO 
CPUMotherboardGraphicsRAM
E6420 GA-P35-DS3L GeForce 7300LE 2G PNY PC2-6400 
Hard DriveOptical DriveOSMonitor
80Gig WDC SATA NEC ND3540A Win 7 Ultimate 64bit/XP Pro Acer H233H 
PowerCase
Antec Earthwatts 430 none 
  hide details  
Reply
442
(15 items)
 
Q6600
(14 items)
 
Piece O' Crappola
(13 items)
 
CPUMotherboardGraphicsRAM
Q9550 E0 DFI LanParty LT P35-T2R 2 x HD4670QT512P CF Patriot PVS24G8500ELKN 
CoolingOSMonitorPower
Stock pfsense Acer H233H Antec EarthWatts 430 
CaseAudio
custom onboard 
CPUMotherboardGraphicsRAM
Q6600 B3 Lapped @ 3.4 GA-EP45-UD3R EVGA 9600GSO 384m 96SP 4G (2x2) Patriot Viper PC2-8500 
Hard DriveOptical DriveCoolingOS
80g Maxtor, 320WDC. 320Seagate NEC ND-3550 & LiteOn CM Hyper 212+ w/PP Blademasters XP Pro SP3 
MonitorPowerCase
Acer H233H Rosewill RG630-S12 NZXT BetaEVO 
CPUMotherboardGraphicsRAM
E6420 GA-P35-DS3L GeForce 7300LE 2G PNY PC2-6400 
Hard DriveOptical DriveOSMonitor
80Gig WDC SATA NEC ND3540A Win 7 Ultimate 64bit/XP Pro Acer H233H 
PowerCase
Antec Earthwatts 430 none 
  hide details  
Reply
post #3 of 19
Thread Starter 
3DMark06 results are up.
post #4 of 19
i want to see a 5ghz sandy bridge system measured with a gtx570/580
BallaTheTrollolol
(13 items)
 
  
CPUMotherboardGraphicsRAM
2500k 5gz 1.38v asrock Extreme4 gts 450 950 mhz / gtx 460 1gb 4gb Gskill ripjaws 
Hard DriveOSPowerCase
1tb samsung f3 , 2tb wd green windows 7 64 bit home ocz modxstream 600w corsair 600t 
  hide details  
Reply
BallaTheTrollolol
(13 items)
 
  
CPUMotherboardGraphicsRAM
2500k 5gz 1.38v asrock Extreme4 gts 450 950 mhz / gtx 460 1gb 4gb Gskill ripjaws 
Hard DriveOSPowerCase
1tb samsung f3 , 2tb wd green windows 7 64 bit home ocz modxstream 600w corsair 600t 
  hide details  
Reply
post #5 of 19
Thread Starter 
Quote:
Originally Posted by jp27 View Post
i want to see a 5ghz sandy bridge system measured with a gtx570/580
Sorry--don't have that.
post #6 of 19
Thread Starter 
CPU stress tests are up.

Going to do some games next. Crysis, Just Cause 2, Fallout New Vegas, Star Craft 2, Minecraft .
post #7 of 19
Very nice analysis. +1

May I ask what is "WAC"? Is that in wattage?
post #8 of 19
Thread Starter 
Quote:
Originally Posted by raisethe3 View Post
Very nice analysis. +1

May I ask what is "WAC"? Is that in wattage?
It's "Watts AC", to emphasize that this is the reading at the AC wall outlet, not the reading for the PSU's DC output.
post #9 of 19
Quote:
Originally Posted by raisethe3 View Post
Very nice analysis. +1

May I ask what is &quot;WAC&quot;? Is that in wattage?
Watts Alternating Current as provided by the wall outlet, as opposed to Watts Direct Current, DC being the sort of power the power supply delivers to the computer.
post #10 of 19
Thread Starter 
Crysis results are up.
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Power Supplies
Overclock.net › Forums › Components › Power Supplies › Power consumption of my system