Should I upgrade from 600w white to 750w gold?

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Henn0871

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Jul 18, 2017
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Hi
I am currently using a EVGA 600 W1, 80+ WHITE 600W psu.
I wonder if it's worth upgrading to EVGA Supernova G2 750w Gold,
in terms of efficiency. According to the PSU tierlist, the EVGA 600 W1 is very bad.
I use my pc around 7-10 hours a day.
My build requires 375w.
 
Solution
raisonjohn


Yes, that's true. The 50% load of the PSU's rated power is the highest efficiency in the curve. However, the pcpartpicker's estimates of 370W-375W is the maximum power draw at which each components' were calculated. Realistically, your rig won't run at that peak 375W load 24/7. It will...
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raisonjohn

raisonjohn

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Feb 22, 2015
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Yes, you should. There is no doubt that the EVGA SuperNova G2 has much better quality, efficiency, and reliability than the W1. But what are your complete specs that necessitates a 750W or 600W PSU? You might be able to do away with a G2 550W to lessen your costs.
 
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Henn0871

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Jul 18, 2017
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510


Link to my build:
https://pcpartpicker.com/list/gqbsNN

Well I might be wrong, but I've heard that ideally you want to have around 50% system load, to get max efficiency
 
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raisonjohn

raisonjohn

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Feb 22, 2015
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Yes, that's true. The 50% load of the PSU's rated power is the highest efficiency in the curve. However, the pcpartpicker's estimates of 370W-375W is the maximum power draw at which each components' were calculated. Realistically, your rig won't run at that peak 375W load 24/7. It will vary by the minute/second depending on what you are doing with the PC. You can say that given a 550W PSU, with 50% load being 275W (highest efficiency point), your rig will more-or-less average/hover around that vicinity (not at 375W peak as pcpartpicker calculated). It can even go as low as just 100W or less when not gaming.

The 550W PSU would definitely suffice for your i7-6700K + a GTX 1070.
 
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