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EricHiggin on 27 March 2017
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Pemalite said:

I'm not trying to say it's crappy.

But when a device has a larger base power consumption, then the efficiency curve will be different.
Most decent PSU's are at their most efficient at around about 50-60% load.... At a set temperature.

So if you had a device that consumes 100w of power, then a 200w PSU should be the sweet spot.
But if your device consumes 50w of power than a 100w PSU could be the sweet spot... So even though power consumption is only 50w different, the PSU is 100w different.

Sony would have more intimate knowledge about the Playstation 4's power consumption and PSU efficiency than I would and would have accounted for all that.

Regardless... If Sony was to release another console, chances are it will use a new PSU anyway.

Correct.

What I found was past consoles, especially PS4's, seemed to fall into the 55%-65% range. A 275w PSU at 65% power usage is 180w while gaming. It's totally possible that PS wanted closer to 50% and went with 310w to make that happen. It's also possible they have another peripheral for Pro only that will require a 310w PSU. 

Pro has a 310w PSU for some reason, and is surely justified for whatever reason they had. There could be more than just one answer as to why.

Good points.



PS1   - ! - We must build a console that can alert our enemies.

PS2  - @- We must build a console that offers online living room gaming.

PS3   - #- We must build a console that’s powerful, social, costs and does everything.

PS4   - $- We must build a console that’s affordable, charges for services, and pumps out exclusives.

PRO  -%-We must build a console that's VR ready, checkerboard upscales, and sells but a fraction of the money printer.

PS5   - ^ -We must build a console that’s a generational cross product, with RT lighting, and price hiking.

PRO  -&- We must build a console that Super Res upscales and continues the cost increases.