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 Posted: Tue, 23rd Apr 2013 14:50 Post subject: 1200 Watt PSU |
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couleur
[Moderator] Janitor
Posts: 14352
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| Posted: Tue, 23rd Apr 2013 15:08 Post subject: |
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It is known.
"Enlightenment is man's emergence from his self-imposed nonage. Nonage is the inability to use one's own understanding without another's guidance. This nonage is self-imposed if its cause lies not in lack of understanding but in indecision and lack of courage to use one's own mind without another's guidance. Dare to know! (Sapere aude.) "Have the courage to use your own understanding," is therefore the motto of the enlightenment."
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| Posted: Tue, 23rd Apr 2013 15:18 Post subject: |
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But still, at that load and about 90% efficiency of the PSU, that's like 360 watts... It just seems really low to me.
Ryzen 5 5600, ASUS ROG STRIX B550-F GAMING WIFI II, Corsair Vengeance RGB RT 32GB 3600MHz C16, MSI RTX 5070 Ti Ventus 3X OC , Corsair RMx Series RM750x. AOC AGON AG324UX - 4K 144Hz 1ms
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Werelds
Special Little Man
Posts: 15098
Location: 0100111001001100
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| Posted: Tue, 23rd Apr 2013 16:02 Post subject: |
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It's not. And you're not getting 90% efficiency. Your PSU only hits the 90% mark at around 700-800W, below that it's between 85 and 88% most of the time; and at about 300 it drops very sharply to 80-82; below 250 it's just horrible.
At 380W and assuming 85% efficiency, you're really using 380 / (100 / 85) = 323W. That sounds about right; a little on the low side, but not by much. Your CPU probably does about 150W at those clocks, GPU won't be at full load even in Crysis even if the "meter" shows it is, so that'll be 180-190 at most. Everything else will be in the single digits.
And that's why I call everyone who goes over 800W a retard, because you're getting like 80W in heat there. That has to be cooled one way or another. Now, with an X-650 or something similar, i.e. a PSU that actually stays well above 90% efficiency even at 100W, you would've been pulling at least 50W less - that's how Seasonic's PSUs don't even spin up their fans until really, really stressed. And the damn thing would've been half as expensive.
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tonizito
VIP Member
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Location: Portugal, the shithole of Europe.
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| Posted: Tue, 23rd Apr 2013 16:19 Post subject: |
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 indeed
Well, now you know it 
| boundle (thoughts on cracking AITD) wrote: | | i guess thouth if without a legit key the installation was rolling back we are all fucking then |
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| Posted: Tue, 23rd Apr 2013 16:25 Post subject: |
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How much does it cost to get such a decent ~450-500watt seasonic?
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| Posted: Tue, 23rd Apr 2013 16:46 Post subject: |
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| Werelds wrote: | | It's not. And you're not getting 90% efficiency. Your PSU only hits the 90% mark at around 700-800W, below that it's between 85 and 88% most of the time; and at about 300 it drops very sharply to 80-82; below 250 it's just horrible. |
According to this it is 90% efficient at just 20% load http://www.anandtech.com/show/3992/1000w1200w-highend-psuroundup/13
Oh and 10% load/120 watts is 83% efficient.
Ryzen 5 5600, ASUS ROG STRIX B550-F GAMING WIFI II, Corsair Vengeance RGB RT 32GB 3600MHz C16, MSI RTX 5070 Ti Ventus 3X OC , Corsair RMx Series RM750x. AOC AGON AG324UX - 4K 144Hz 1ms
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Werelds
Special Little Man
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Location: 0100111001001100
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Less than crysis 3)
