help me to calculate my system power consumption

Dj-ElectriC · Aug 20, 2010, 02:45 PM

ok guys i need you to help me calculate my system's power consumption.
i wanna be sure that my PSU is not in danger.
best case scenario:
I5 750 @ 3400MHZ w/ downvolt to 1.13V (about the same TDP as stock).
Radeon HD5850 on stock
Geforce 8800GT @ small OC w/ downvolt (about the same TDP as stock) - only used for Physx (so thats 80% of the max TSP i think)
3 HDDs and a DVDRW.

worst case scenario:
I5 750 @ 4.22GHZ 1.4V
Radeon HD5850 on 1.15V @ 1Ghz core.
Gf 8800GT with small OC.
and all the other stuff.

PSU: HEC Cougar 550w, 40A on 12V rail.
thanks.

Mussels · Aug 20, 2010, 02:46 PM

this kind of thing is impossible to calculate, because there is way too many variables.

you can buy power meters for like $30 Au at supermarkets, so i'm sure its cheap wherever you are too.

Dj-ElectriC · Aug 20, 2010, 02:47 PM

i just need to know if im in the safe zone

anywayz in October im getting the Antec TP new 750W witch is an amazing PSU, till then i need me HEC alive

KingPing · Aug 20, 2010, 03:51 PM

I think in a worst case scenario total comsumption is very close to 550W. If you want to be sure then remove the 8800gt or don't OC anything (i bet you won't notice the difference)

DanishDevil · Aug 20, 2010, 03:52 PM

http://extreme.outervision.com/psucalculatorlite.jsp

hat · Aug 20, 2010, 05:06 PM

The formula in my sig can help with estimating CPU power consumption.

Dj-ElectriC · Aug 20, 2010, 06:10 PM

Quote:

Originally Posted by DanishDevil

http://extreme.outervision.com/psucalculatorlite.jsp

thanks but that's not helping me, i got a dedi physx gpu. and an overclocked main gpu, that consumes more power.

Quote:

Originally Posted by hat

The formula in my sig can help with estimating CPU power consumption.

thanks, thats helping a bit. i saw cases of the HD4870X2 on a 40A psu like mine, and that GPU consumes way more then HD5850 stock + 8800GT

anyway ill use my i5 on 3.4GHZ and GPU on 1.15V, hoping there will be no problems.

CJCerny · Aug 20, 2010, 06:20 PM

Just run something like Furmark and CPU Prime at the same time. That will max out the watts used by the video card and the GPU. If your PC stays on, you have a big enough power supply. It isn't rocket science. Even if it turns off, your power supply "isn't the danger". It won't be damaged by such an attempt. You would just need to replace it with a bigger one.

AthlonX2 · Aug 20, 2010, 06:27 PM

my rig in specs pulls 500w max with everything fully loaded so compare that to yours,pulling 375 now just folding

DanishDevil · Aug 20, 2010, 06:31 PM

It's still going to give you a damn good ballpark.

erocker · Aug 20, 2010, 06:34 PM

Quote:

Originally Posted by Dj-ElectriC

i just need to know if im in the safe zone

anywayz in October im getting the Antec TP new 750W witch is an amazing PSU, till then i need me HEC alive

Does your computer work? Does your PSU not overheat? Everything stable?

If everything is going well with your system, you are in the "safe zone" There is also no way that your system pulls more than 550w overclocked or not.

Dj-ElectriC · Aug 20, 2010, 07:44 PM

thanks guys. lets put the cougar to the test.

mm67 · Aug 20, 2010, 07:49 PM

OCCT PSU test is probably the hardest stress test one can find. My system running Cpu and Gpu on stock clocks uses 354 W running that, light overclock on Gpu raises power usage to 361 W. Same overclock on Gpu and running Cpu at 4.25 GHz bumps max power usage up to 509 W.

Dj-ElectriC · Aug 20, 2010, 08:06 PM

ok now u made me worry :\

mm67 · Aug 20, 2010, 08:17 PM

That's just a stress test, no real world situation will use so much power.

Solaris17 · Aug 20, 2010, 09:40 PM

P3 Kill A Watt Electricity Load Meter and Monitor

Aug 20, 2010, 02:45 PM	#1
Dj-ElectriC Join Date: Aug 2010 Location: Trollithia Posts: 1,579 (1.56/day) Thanks: 141 Thanked 643 Times in 300 Posts System Specs	help me to calculate my system power consumption ok guys i need you to help me calculate my system's power consumption. i wanna be sure that my PSU is not in danger. best case scenario: I5 750 @ 3400MHZ w/ downvolt to 1.13V (about the same TDP as stock). Radeon HD5850 on stock Geforce 8800GT @ small OC w/ downvolt (about the same TDP as stock) - only used for Physx (so thats 80% of the max TSP i think) 3 HDDs and a DVDRW. worst case scenario: I5 750 @ 4.22GHZ 1.4V Radeon HD5850 on 1.15V @ 1Ghz core. Gf 8800GT with small OC. and all the other stuff. PSU: HEC Cougar 550w, 40A on 12V rail. thanks. __________________ Unreal Tournament mod - 85% progress Sponsored by MSI and Antec Battletag: HolyDiver#1664

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Aug 20, 2010, 02:46 PM	#2
Mussels Doctor Moderator Join Date: Oct 2004 Location: Bendigo, Australia (NOT THE USA) Posts: 34,553 (10.97/day) Thanks: 3,699 Thanked 8,690 Times in 6,390 Posts System Specs	this kind of thing is impossible to calculate, because there is way too many variables. you can buy power meters for like $30 Au at supermarkets, so i'm sure its cheap wherever you are too. __________________ Edumacational thread about PC Audio My external HDD's.5x samsung 1TB + 2x Seagate 1.5TB = 8 TB external storage 32 Bit OS vs 64 bit OS information How to get hardware accelerated H264 playback (DXVA) Netbook Owners United!

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Aug 20, 2010, 02:47 PM	#3
Dj-ElectriC Join Date: Aug 2010 Location: Trollithia Posts: 1,579 (1.56/day) Thanks: 141 Thanked 643 Times in 300 Posts System Specs	i just need to know if im in the safe zone anywayz in October im getting the Antec TP new 750W witch is an amazing PSU, till then i need me HEC alive __________________ Unreal Tournament mod - 85% progress Sponsored by MSI and Antec Battletag: HolyDiver#1664

Aug 20, 2010, 03:51 PM	#4
KingPing Join Date: Aug 2009 Location: Argentina (South America) Posts: 749 (0.55/day) Thanks: 132 Thanked 243 Times in 172 Posts System Specs	I think in a worst case scenario total comsumption is very close to 550W. If you want to be sure then remove the 8800gt or don't OC anything (i bet you won't notice the difference)

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Aug 20, 2010, 03:52 PM	#5
DanishDevil Eligible for custom title Join Date: Oct 2005 Location: Newport Beach, CA Posts: 8,631 (3.10/day) Thanks: 1,361 Thanked 2,018 Times in 1,585 Posts System Specs	http://extreme.outervision.com/psucalculatorlite.jsp __________________ [B/S/T: FS/FT Cisco VPN Gigabit Routers \| WTB] [Logitech Z-5500 Digital Soundroom \| The TPU Darkroom \| The TPU Zune Social \| Tech Net Subscribers Club]

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Aug 20, 2010, 05:06 PM	#6
hat Maximum Overclocker Join Date: Nov 2006 Location: Ohio Posts: 12,236 (5.15/day) Thanks: 2,054 Thanked 2,039 Times in 1,549 Posts System Specs	The formula in my sig can help with estimating CPU power consumption. __________________ My Heatware “Inb4 smartphone LN2 overclocking.” -radrok

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Aug 20, 2010, 06:20 PM	#8
CJCerny Join Date: Nov 2008 Location: Akron, OH Posts: 756 (0.46/day) Thanks: 2 Thanked 213 Times in 178 Posts	Just run something like Furmark and CPU Prime at the same time. That will max out the watts used by the video card and the GPU. If your PC stays on, you have a big enough power supply. It isn't rocket science. Even if it turns off, your power supply "isn't the danger". It won't be damaged by such an attempt. You would just need to replace it with a bigger one.

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Aug 20, 2010, 06:27 PM	#9
AthlonX2 Better Than You Join Date: Sep 2006 Location: Toledo,Ohio Posts: 5,449 (2.24/day) Thanks: 729 Thanked 1,572 Times in 994 Posts System Specs	my rig in specs pulls 500w max with everything fully loaded so compare that to yours,pulling 375 now just folding

Aug 20, 2010, 06:31 PM	#10
DanishDevil Eligible for custom title Join Date: Oct 2005 Location: Newport Beach, CA Posts: 8,631 (3.10/day) Thanks: 1,361 Thanked 2,018 Times in 1,585 Posts System Specs	It's still going to give you a damn good ballpark. __________________ [B/S/T: FS/FT Cisco VPN Gigabit Routers \| WTB] [Logitech Z-5500 Digital Soundroom \| The TPU Darkroom \| The TPU Zune Social \| Tech Net Subscribers Club]

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Aug 20, 2010, 07:44 PM	#12
Dj-ElectriC Join Date: Aug 2010 Location: Trollithia Posts: 1,579 (1.56/day) Thanks: 141 Thanked 643 Times in 300 Posts System Specs	thanks guys. lets put the cougar to the test. __________________ Unreal Tournament mod - 85% progress Sponsored by MSI and Antec Battletag: HolyDiver#1664

Aug 20, 2010, 07:49 PM	#13
mm67 Join Date: Jul 2010 Posts: 115 (0.11/day) Thanks: 1 Thanked 41 Times in 30 Posts System Specs	OCCT PSU test is probably the hardest stress test one can find. My system running Cpu and Gpu on stock clocks uses 354 W running that, light overclock on Gpu raises power usage to 361 W. Same overclock on Gpu and running Cpu at 4.25 GHz bumps max power usage up to 509 W. __________________ CPU-Z validation sig pics temporarily blocked

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Aug 20, 2010, 08:06 PM	#14
Dj-ElectriC Join Date: Aug 2010 Location: Trollithia Posts: 1,579 (1.56/day) Thanks: 141 Thanked 643 Times in 300 Posts System Specs	ok now u made me worry :\ __________________ Unreal Tournament mod - 85% progress Sponsored by MSI and Antec Battletag: HolyDiver#1664

Aug 20, 2010, 08:17 PM	#15
mm67 Join Date: Jul 2010 Posts: 115 (0.11/day) Thanks: 1 Thanked 41 Times in 30 Posts System Specs	That's just a stress test, no real world situation will use so much power. __________________ CPU-Z validation sig pics temporarily blocked

Aug 20, 2010, 09:40 PM	#16
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