Nvidia explains PSU requirements for GeForce RTX 40 series GPU
Click here to post a comment for Nvidia explains PSU requirements for GeForce RTX 40 series GPU on our message forum
Glottiz
Nice, hopefully this will make all fear mongers and badly informed people shut up. Who am I kidding, of course not lul
RealNC
[youtube=0frNP0qzxQc]
Kool64
the only "real" fear was that the 4090 was going to clock in at 800W so now that's a non issue
Solfaur
We will see how real or not this is 1-2 months after release when plenty of user feedback will be available...
geogan
I'm really worried about this issue with 4090 cards which I will never buy because they are about 2,500 EUROS in Europe!
mackintosh
Well, you might score a used one two years from now, so you never know.
Dragam1337
Exactly, i don't give any credit to anything nvidia says tbh.
H83
The 850w minimum for a 4090 seems a little risky, specially because the PSU also needs to feed a thirsty CPU to match such powerful card.
Dragam1337
It's decidedly BS tbh - anyone with just a bit of smarts will use at least a 1000w psu with a 4090.
Alessio1989
what was the original pcb come from, an embedded or server solution? that's a lot of time that guy spent for making that joke.
gQx
any news about 40 series mobile versions? what's the release date and when will we see comparison against previous generation?
Dragam1337
Guru3d doesn't do laptop reviews, so no. This is the website you want for laptop reviews
https://www.notebookcheck.net/
But you can just take any given gpu model and subtract 30%... then you are about where the laptop varient lands.
gQx
racists 🙂 Didn't realise that till now sounds right though thanks
Netherwind
Any word on which CPU is recommended? Digital Foundry have only tested with the 12900K but nVidia themselves have, in their presentations, mentioned the 5900X (which isn't that thirsty).
schmidtbag
It doesn't really matter what CPU you get because unless you're doing something CPU intensive other than gaming, most CPUs will consume roughly the same amount of power. Either the CPU is bottlenecked by the GPU or you only have a couple of cores that are maxed out (with the rest being practically idle), so no matter what you're probably going to use less than 100W on a modern CPU.
All that being said, it's 850W minimum. Even if you were to max out a 12900K and a 4090, you're still unlikely to exceed 850W. Of course, you really don't want to be pushing the PSU that hard, so going at least 1KW for such a system is the wiser choice - it's just not a necessity.
fantaskarsef
I thought it was clear by now that the growing PSU requirements are not there to actually cope with normal power draw, but transitient spikes.
Reardan
We don't pick our PSU based on the average expected draw of the computer under a normal workload. You pick your PSU for the worst case scenario, because the pop and smoke is not going to care that its unusual for you to be maxing out both components at the same time, it's just going to care that it happened.
RealNC
Probably 3D printed. He did more jokes like this on his channel.
tunejunky
ahh man this is what they should've led with back in August.
it's still 75% BS though. if i had a 13900k and a 4090 i'd be rocking a 1200w psu
cucaulay malkin
it says 850w is minimum, so probably not for a 13900k system, more like 5600/12400 one.
