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[Solved] 450W supply enough for Geforce GTX 670 OC system? - Page 4

post #31 of 36
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Quote:
Originally Posted by Ribozyme View Post

I wouldn't go to GPU boss to compare cards. But in certain apllications it might be a 70w difference. 680 to 780 is around 30-40 watt so 670-680 might be 20-30watt. Check some other sources like anandtech or techpowerup. It also depends on specific version of the card. Some are more efficient than others. http://nl.hardware.info/vergelijkingstabel/producten/188812-186912-187049-192888
As you can see in the comparison, slide down and you should be able to distinguish idle, load and then a number with watts, The inno3D 780 consumes 40watt less under load than the MSI 780 even though the inno3D has the higher clocks. Design of the PCB does a lot for power consumption.

Well, I couldn't care less about saving money. My motiviation is just a mindset: why spill energy if it is not needed? In this day and age I think it is a shame to not buy a at least 90% efficient PSU. As you might or might not now, a PSU efficiency drops a lot when it has a light load on it. So these guys with a 600-800watt PSU and single GPU setups will have a terrible efficiency when the system doesn't even pull 60 watts in idle. They might drop to 60% efficiency. A more suited PSU like 400-500watt will be able to stay around 80% efficiency in those low load scenarios. And seeing that many people let their system idle for a long time or just do some browsing or office, a lot of energy gets spilled by not buying a properly sized PSU. The economical difference mght only begin to show after a few years but I don't care about the money saved, I care about the energy saved and not sent away as heat for nothing.

Thanks for the link, that's quite interesting. Let me know which one you go for!

Sure, saving energy is always good, not only for the environment. My government makes people think about that really hard these days via high energy costs smile.gif
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post #32 of 36
Quote:
Originally Posted by Gero2013 View Post

Thanks for the link, that's quite interesting. Let me know which one you go for!

Sure, saving energy is always good, not only for the environment. My government makes people think about that really hard these days via high energy costs smile.gif

I am leaning very much towards the asus. It has the looks, the most quiet in idle, 2 slots(the ichill requires 3 slots, I can't afford that on a mITX board)+could get it for 500 euro. But I am on the fence here. I don't think it is really worth the disproportional price increase vs the 760 and 770 for the performance you get. I might just go 760, and then when the 20nm nvidias come out, 250 euro would probably buy me a GPU as fast or faster than the 780 and with less power consumption. I don't really need a 780 right now, only in benches it would be fun tongue.gif Going for a run to make up my mind hehe.

Yes saving energy is always good. Where I live we have 0.4 euro/kwh if I am not mistaken, during nighttime less of course. One of the reasons I stopped folding 24/7. Energy has to be even more expensive and water too. Then maybe people wouldn't be so spilling with it.
post #33 of 36
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Quote:
Originally Posted by Ribozyme View Post

I am leaning very much towards the asus. It has the looks, the most quiet in idle, 2 slots(the ichill requires 3 slots, I can't afford that on a mITX board)+could get it for 500 euro. But I am on the fence here. I don't think it is really worth the disproportional price increase vs the 760 and 770 for the performance you get. I might just go 760, and then when the 20nm nvidias come out, 250 euro would probably buy me a GPU as fast or faster than the 780 and with less power consumption. I don't really need a 780 right now, only in benches it would be fun tongue.gif Going for a run to make up my mind hehe.

Yes saving energy is always good. Where I live we have 0.4 euro/kwh if I am not mistaken, during nighttime less of course. One of the reasons I stopped folding 24/7. Energy has to be even more expensive and water too. Then maybe people wouldn't be so spilling with it.

NIce, 0.4€/kWh is insane but probably what it should be.
Thanks for the help again! thumb.gif
How do I close this thread??
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post #34 of 36
Quote:
Originally Posted by Gero2013 View Post

NIce, 0.4€/kWh is insane but probably what it should be.
Thanks for the help again! thumb.gif
How do I close this thread??

Probably needs to be 1-2 euro/kwh before people will start to care.

So how is your 670 doing on your PSU?

You can't, this thread shall live for ever and help out others who have a similar question like you.
post #35 of 36
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Quote:
Originally Posted by Ribozyme View Post

Probably needs to be 1-2 euro/kwh before people will start to care.

So how is your 670 doing on your PSU?

You can't, this thread shall live for ever and help out others who have a similar question like you.

Hehe well people started caring here! Ive got underfloor heating from the 70s it can eat up to 30kWh on a cold winter day, i.e. like €10/day :O
I think it's doing great, I ran some Furmark Tests and the results were where they were supposed to be.

Ok, I meant how can we show that it's been solved? In square brackets?
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post #36 of 36
Quote:
Originally Posted by Gero2013 View Post

Hehe well people started caring here! Ive got underfloor heating from the 70s it can eat up to 30kWh on a cold winter day, i.e. like €10/day :O
I think it's doing great, I ran some Furmark Tests and the results were where they were supposed to be.

Ok, I meant how can we show that it's been solved? In square brackets?

Well that's great that they care but heating on a cold winter day is actually quite necessary so you folks should pay less but those who leave everything on and buy oversized PSUs should pay more biggrin.gif

Great that you have no problems. And furmark puts an unrealistic load on the GPU so you are never going to experience any power consumption like that during gaming. Have fun with it! Yes solved in brackets in front of the topic would be good actually. Hopefully many people will take this thread as an example biggrin.gif
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