Power Consumption Graphs (GF 6/7/8, x800 - x1950) :D - Overclock.net

Kramy · 01-17-07

Here's some interesting power consumption graphs:

http://forum.ncix.com/forums/index.p...t=15&subpage=1

I'm not sure how accurate the actual wattages are, but the ratios between them seem accurate. If you want to be on the safe side, estimate the wattages at 70-80% of what you really need - that's a good thing to do for your average power supply anyway.

Pretty nice having it all laid out so simply!

Edit: Updated graphs Feb 2007.

Melcar · 01-17-07

Nice one. Loving the ratings on the x1950pro; just wished they overclocked more.

Kramy · 01-17-07

Yeah, the x1950PRO is pretty sick power consumption wise - matches a 7950GT when overclocked too, so it's right in line with GeForce cards!

I was shocked my 7900GS required so little at first. However, just now I realized I forgot to plug the PCIe power cable into mine; it's been running without extra juice for weeks and weeks at 600/800mhz, and broke a couple 7900GS records!

Seems very accurate on the whole, except maybe for those GeForce 8's, which have that separate chip to power as well.

FrankenPC · 01-17-07

Nice graphs

DuckieHo · 01-17-07

Some of the power consumption seems a bit low... another member tested his 8800GTX and registered 180w+ power consumption. nVidia themselves have stated that this card TDP is around 175w. However, some of the other values seem on point.

I should add these to my TDP spreadsheet...

Melcar · 01-17-07

Quote:

Originally Posted by Kramy

Yeah, the x1950PRO is pretty sick power consumption wise - matches a 7950GT when overclocked too, so it's right in line with GeForce cards!

I was shocked my 7900GS required so little at first. However, just now I realized I forgot to plug the PCIe power cable into mine; it's been running without extra juice for weeks and weeks at 600/800mhz, and broke a couple 7900GS records!

Seems very accurate on the whole, except maybe for those GeForce 8's, which have that separate chip to power as well.

I would assume that once one voltmods and starts pushing 700MHz+ on a 7900GS, power comsumption would be more in line with a 7900GT/7950GT.
The x1950pros remind me a bit of the x800xls; monster cards that could not OC.

**gonX** · 01-18-07

They've updated the graphs... includes most 6-series for nVidia and the 8xx series for ATi.

lenzo · 01-18-07

37 watts for a 7600GT, there goes my electric bill, lol

Kramy · 01-18-07

Quote:

Originally Posted by gonX

They've updated the graphs... includes most 6-series for nVidia and the 8xx series for ATi.

Kramy · 01-20-07

Quote:

Originally Posted by SKYMTL @ NCIX

Basically what I do is get a baseline measurement of a card that I own (in this case a 6600 DDR2) and check the wattage on Xbitlabs. Xbitlabs uses a series of shunts and whatnot to measure the actual consumption of graphics cards. Then I plug in my kill-a-watt electric usage monitor and measure how much my system is using at load.

I then install the next graphics card (in this case a 7600GT) and measure how much my system increased in power usage using the Kill-a-Watt. Then, I can find the total system wattage difference between the 6600 and 7600GT. When I add that to the reading at Xbitlabs for the 6600, I get how much the 7600GT uses. It looks like this:

6600 (from Xbitlabs) = 28W
6600 (total wattage for my system) = 210W
7600GT (total wattage for my system) = 219W

28+9= 37W usage for the 7600GT.

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Power Consumption Graphs (GF 6/7/8, x800 - x1950) :D

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