Asklemmy

43822 readers

1281 users here now

A loosely moderated place to ask open-ended questions

Search asklemmy 🔍

If your post meets the following criteria, it's welcome here!

Open-ended question
Not offensive: at this point, we do not have the bandwidth to moderate overtly political discussions. Assume best intent and be excellent to each other.
Not regarding using or support for Lemmy: context, see the list of support communities and tools for finding communities below
Not ad nauseam inducing: please make sure it is a question that would be new to most members
An actual topic of discussion

Looking for support?

Looking for a community?

Lemmyverse: community search
sub.rehab: maps old subreddits to fediverse options, marks official as such
[email protected]: a community for finding communities

~Icon~ ~by~ ~@Double_[email protected]~

founded 5 years ago

MODERATORS

[email protected]

What is the deal with mobile GPUs vs PC GPUs? (lemmy.world)

submitted 7 months ago by [email protected] to c/[email protected]

21 comments fedilink hide all child comments

For anyone who knows.

Basically, it seems to me like the technology in mobile GPUs is crazier than desktop/laptop GPUs. Desktop GPUs obviously can do things better graphically, but not by enough that it seems to need to be 100x bigger than a mobile GPU. And top end mobile GPUs actually perform quite admirably when it comes to graphics and power.

So, considering that, why are desktop GPUs so huge and power hungry in comparison to mobile GPUs?

you are viewing a single comment's thread
view the rest of the comments

[–] [email protected] 3 points 7 months ago* (last edited 7 months ago)

Basically, it seems to me like the technology in mobile GPUs is crazier than desktop/laptop GPUs.

It's not. They have the same software technologies and the desktop counterparts have better hardware.

but not by enough that it seems to need to be 100x bigger than a mobile GPU.

Yes it is. No benchmarks would agree with you here. Also, just look at the power draw for each and how much noise each cooling solution makes.

And top end mobile GPUs actually perform quite admirably when it comes to graphics and power.

Depends entirely on what you see as admirable. Power efficiency wise, they're great, but their performance isn't anything to write home about, especially considering that they typically share cooling solutions with the CPU. And that's at the top of the line. Lower down, it's not all that great, with desktop counterparts having much better 1% lows when the power is more comparable.

So with most of what you said being incorrect, your conclusion is also incorrect. Generally, more surface area on coolers means they can cool higher power limits, can have bigger fans and/or have those fans spin slower so they're much quieter. Regarding the power consumption, it's simply diminishing returns. Mobile GPUs are just cut sooner on the graph.