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Should the Watts always be the same? - Page 2

post #11 of 24
Thread Starter 
Quote:
Originally Posted by TickleMeElmo View Post
You have an 800 dollar CPU to put it into perspective...
I can still think it is expensive even if I got an expensive CPU. And let me guess, the green power thingies that put's the watts down when you idle isn't really good when you OC?
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post #12 of 24
Quote:
Originally Posted by frW View Post
I can still think it is expensive even if I got an expensive CPU. And let me guess, the green power thingies that put's the watts down when you idle isn't really good when you OC?
Do you get concerned when you have two 100W light bulbs on for several hours?

I'm not trying to make fun of you, but instead I'm trying to point out that if this 144W is real, then the entire system is probably only pulling 200 to 250W.

But if you aren't comfortable with running your CPU at full load for 10 hours, then don't overclock.
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post #13 of 24
Thread Starter 
Not really, but I think more or less a computer uses ~400W maybe more when the monitor is on. And if there's ~4 computers in a household ( it's in mine ). Then you easily have to pay a lot

I was just curious, seemed like ~150W was a lot..
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post #14 of 24
Quote:
Originally Posted by frW View Post
Not really, but I think more or less a computer uses ~400W maybe more when the monitor is on. And if there's ~4 computers in a household ( it's in mine ). Then you easily have to pay a lot

I was just curious, seemed like ~150W was a lot..
Performance comes at the cost of power sad reality of computing
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post #15 of 24
Quote:
Originally Posted by frW View Post
Not really, but I think more or less a computer uses ~400W maybe more when the monitor is on. And if there's ~4 computers in a household ( it's in mine ). Then you easily have to pay a lot

I was just curious, seemed like ~150W was a lot..
If 144W is an accurate reading, then it makes sense because it is under a full load.

But when idling, a computer system will not pull more than 100-200W from the wall. I mean, it just can't. But while gaming? Well, then there's a chance that it might pull 300-400W or more, depending on the system.

Edit: I actually have recent proof: we recently had a brownout here in St. Paul, Minnesota. For anyone who doesn't know what a brownout is, this is when the power is suddenly reduced down to like 50%. That means the lights dim quite noticeably (all of our 100W bulbs looked like 40W bulbs), and certain things can't turn on such as relatively big fluorescent light fixtures (but we have one small one that was able to turn on).

Well, when this brownout occurred, I was just sitting here on OCN reading a thread. To my shock, my system stayed on and appeared to be completely unaffected by it. Even my LCD monitor stayed as bright as normal. But I shut down Windows immediately, and it shut down properly (again, to my shock).

Then the brownout occurred again about 2 hours later. Sure enough, it was the same result: my computer was unaffected. But this time I was in the middle of a huge post on here. So I saved it to Notepad as fast as I could and then shut down, all during the brownout! This is with my sig rig!
Edited by TwoCables - 1/12/11 at 2:52am
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post #16 of 24
According to my Killawatt meter, my PC uses 527W from the wall when running IBT and 275W at idle. So 252W difference from idle to load. The two monitors use 102W combined.
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post #17 of 24
Thread Starter 
I gotta get one of those meters.
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post #18 of 24
Quote:
Originally Posted by Trogdor View Post
According to my Killawatt meter, my PC uses 527W from the wall when running IBT and 275W at idle. So 252W difference from idle to load. The two monitors use 102W combined.
Yeah it uses 527W from the wall but real system power comsumption is affected by efficiency of your PSU..

So if your PSU has for example 85% tipical efficiency (for that amount of load on PSU) then real system`s PWR comumption is 527 x 85/100 = 448W ...

And OP you have 6core CPU so what did you expect??

My Q9550 @ 3.9GHz pulls around 150W under full load

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post #19 of 24
Thread Starter 
Quote:
Originally Posted by KingT View Post
Yeah it uses 527W from the wall but real system power comsumption is affected by efficiency of your PSU..

So if your PSU has for example 85% tipical efficiency (for that amount of load on PSU) then real system`s PWR comumption is 527 x 85/100 = 448W ...

And OP you have 6core CPU so what did you expect??

My Q9550 @ 3.9GHz pulls around 150W under full load

CHEERS..
I didn't expect anything at all, I have never really thought about power consumption before. Untill last year I had free power, included in the rent. Now I don't anymore
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post #20 of 24
Quote:
Originally Posted by KingT View Post
Yeah it uses 527W from the wall but real system power comsumption is affected by efficiency of your PSU..
But in this situation we only care about power consumed from the wall.

frW may be consuming more than my rig with hyper-threading and triple the RAM. Though he does have an SSD, GTX 470 and an air cooler compared to my more power hungry components.
Edited by Trogdor - 1/12/11 at 4:53am
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