How to calculate cpu wattage

Daegon · 01-08-03, 07:21 PM

how do you calculate the watts produced by a cpu?

Edward2 · 01-08-03, 07:27 PM

Try doing a search of the forums. At one time, there was a program you could download which would calculate the watts of your CPU (based on CPU type, and overclocked FSB speed/CPU voltage). I think the name of the program was something like "New Watt". I'm not sure.

hdj · 01-08-03, 07:36 PM

You can get a lot of info from amd tech docs, like this one.
To roughly calculate your wattage when over- or undervolting, just find your cpu, divide given wattage by default voltage, and multiply by new voltage.

If you have a palomino, use this techdoc.

and here are more docs.

assuming a linear relationship between mhz and powerconsumption, you can do the same with clockspeed.

so a 1800+ palomino running at 1800mhz and 1.85V would be:

(((66Watts/1.75V)*1.85)/1533mhz)*1800mhz = 82W

Daegon · 01-08-03, 07:44 PM

brand me lazy, but where in the tech docs can i find wattage? btw my cpu is a T-bird
look down there\/

hdj · 01-08-03, 07:45 PM

it's 2-3 pages past the cpuid bookmark.

edit: for you it's the thermal design bookmark in this doc I think.

so your wattage would be (70.5/1.75V)*your voltage

RnPgrosz · 01-08-03, 07:50 PM

The Coolest has a great prog called New Watt, as Edward said just try doing a search because I'm pretty sure the link is somewhere on the forums.

DaddyB · 01-08-03, 08:50 PM

Just go to this website, it calculates your overclocked/overvolted wattage, list the stock voltage for basically all chips (AMD and Intel) and it has a C/w calculator...plus you don't have to the math yourself.

EDIT: err, I forgot the link... http://www.benchtest.com/calc.html

Edward2 · 01-08-03, 09:20 PM

HERE is the link to the NewWatt3 program written by Coolest. It has a built-in database of the default voltages and wattages for almost every CPU (both AMD and Intel), so you do not have to lookup this information. It will automatically read your current CPU speed. You only have to enter the CPU voltage, and it will then calculate the actual wattage of your CPU.

ChillPhatCat · 01-09-03, 09:48 AM

90.77 Watts for me

Mr Gadget · 01-10-03, 12:27 AM

Check out the burn in module of Sisoft Sandra 2003. If you turn on the graphing option it will calculate the min, ave and max power and thermal resistance for your chip. It will also graph your temps during the burn in.

01-08-03, 07:21 PM	Thread Starter #1
Daegon Member Join Date: Dec 2002 Location: Rockville,MD	How to calculate cpu wattage how do you calculate the watts produced by a cpu? __________________ YEAH!! BABIES!!! E8400@4.0 / GTX460 / Asus P5K / 4GB Corsair XMS2 / WD 500 Dell Vostro 1500 (C2D, 8600GT) Black Belt Übercloxx0r Heatware
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01-08-03, 07:27 PM	#2
Edward2 Member Join Date: Apr 2002 Location: Folding@Home in Ball Ground, GA	Try doing a search of the forums. At one time, there was a program you could download which would calculate the watts of your CPU (based on CPU type, and overclocked FSB speed/CPU voltage). I think the name of the program was something like "New Watt". I'm not sure. __________________ Q9300 @ 3.4GHz, Asus P5Q Pro, 4GB OCZ Platinum DDR2-1066, GTX580 @ 900GPU, OCZ Vendetta 2, PC P&C 750W i5-3570K @ 4.5GHz, Asus P8Z77, 4GB G Skill DDR3-1333, GTX580 @ 900GPU, CM Hyper 212+ HS/F, Corsair 850W 4x 6180SE @ 2.75GHz, SM H8QGi-F, 32GB G Skill DDR3-1333, CM Hyper 212+ HS/F, Redundant 1400W
	QUOTE Thanks

01-08-03, 07:36 PM	#3
hdj Member Join Date: Apr 2002 Location: new orleans	You can get a lot of info from amd tech docs, like this one. To roughly calculate your wattage when over- or undervolting, just find your cpu, divide given wattage by default voltage, and multiply by new voltage. If you have a palomino, use this techdoc. and here are more docs. assuming a linear relationship between mhz and powerconsumption, you can do the same with clockspeed. so a 1800+ palomino running at 1800mhz and 1.85V would be: (((66Watts/1.75V)1.85)/1533mhz)1800mhz = 82W Last edited by hdj; 01-08-03 at 07:43 PM.
	QUOTE Thanks

01-08-03, 07:44 PM	Thread Starter #4
Daegon Member Join Date: Dec 2002 Location: Rockville,MD	brand me lazy, but where in the tech docs can i find wattage? btw my cpu is a T-bird look down there\/ __________________ YEAH!! BABIES!!! E8400@4.0 / GTX460 / Asus P5K / 4GB Corsair XMS2 / WD 500 Dell Vostro 1500 (C2D, 8600GT) Black Belt Übercloxx0r Heatware
	QUOTE Thanks

01-08-03, 07:45 PM	#5
hdj Member Join Date: Apr 2002 Location: new orleans	it's 2-3 pages past the cpuid bookmark. edit: for you it's the thermal design bookmark in this doc I think. so your wattage would be (70.5/1.75V)your voltage Last edited by hdj; 01-08-03 at 07:51 PM.*
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How to calculate cpu wattage

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01-08-03, 07:50 PM	#6
RnPgrosz Member Join Date: Dec 2001 Location: NJ	The Coolest has a great prog called New Watt, as Edward said just try doing a search because I'm pretty sure the link is somewhere on the forums.
	QUOTE Thanks

01-08-03, 08:50 PM	#7
DaddyB Member Join Date: Mar 2002 Location: Toronto, Canada	Just go to this website, it calculates your overclocked/overvolted wattage, list the stock voltage for basically all chips (AMD and Intel) and it has a C/w calculator...plus you don't have to the math yourself. EDIT: err, I forgot the link... http://www.benchtest.com/calc.html __________________ Mobile XP2500@2700MHz 208x13 @2.0V†††††††Dell Dimension 8100 P4 1.3 Abit NF7-S, 1024MB Corsair XMS3200††††††††††512MB PC800 RDRAM, T.B. Santa Cruz ATi Radeon X850XT, Klipsch PM 5.1†††††††††††AIW Radeon 9800, 17" Trinitron Dangerden RBX, 47c load, Dell 2005FPW†††††††Altec Lansing 4.1, THX certified Last edited by DaddyB; 01-09-03 at 01:09 AM.
	QUOTE Thanks

01-08-03, 09:20 PM	#8
Edward2 Member Join Date: Apr 2002 Location: Folding@Home in Ball Ground, GA	HERE is the link to the NewWatt3 program written by Coolest. It has a built-in database of the default voltages and wattages for almost every CPU (both AMD and Intel), so you do not have to lookup this information. It will automatically read your current CPU speed. You only have to enter the CPU voltage, and it will then calculate the actual wattage of your CPU. __________________ Q9300 @ 3.4GHz, Asus P5Q Pro, 4GB OCZ Platinum DDR2-1066, GTX580 @ 900GPU, OCZ Vendetta 2, PC P&C 750W i5-3570K @ 4.5GHz, Asus P8Z77, 4GB G Skill DDR3-1333, GTX580 @ 900GPU, CM Hyper 212+ HS/F, Corsair 850W 4x 6180SE @ 2.75GHz, SM H8QGi-F, 32GB G Skill DDR3-1333, CM Hyper 212+ HS/F, Redundant 1400W
	QUOTE Thanks

01-09-03, 09:48 AM	#9
ChillPhatCat Member Join Date: Sep 2002 Location: Ballston Spa, NY	90.77 Watts for me
	QUOTE Thanks

01-10-03, 12:27 AM	#10
Mr Gadget Registered Join Date: Apr 2002 Location: Show Low, AZ	Check out the burn in module of Sisoft Sandra 2003. If you turn on the graphing option it will calculate the min, ave and max power and thermal resistance for your chip. It will also graph your temps during the burn in.
	QUOTE Thanks

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