this post was submitted on 05 Dec 2023
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After a chaotic three years, GPU sales are starting to look normal-ish again (arstechnica.com)
submitted 11 months ago by misk@sopuli.xyz to c/games@sh.itjust.works
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[–] lowleveldata@programming.dev -1 points 11 months ago (2 children)

What is the right proportion? 7800 XT uses 25% more power than 4070 (200W vs 250W). It seems outstanding to me.

[–] sugar_in_your_tea@sh.itjust.works 9 points 11 months ago (2 children)

Are you measuring power actually used, or are you just looking at TDP figures on the marketing material? You can't directly compare those marketing numbers on products from different gens, much less different companies.

To really understand what's going on, you need to look at something like watts per frame.

[–] lowleveldata@programming.dev 2 points 11 months ago (1 children)

I'm getting the numbers from GamersNexus' power consumption chart from their review of the card.

[–] sugar_in_your_tea@sh.itjust.works 0 points 11 months ago* (last edited 11 months ago) (1 children)

Ok, then those numbers are at full load running a benchmark, assuming you're talking about charts like this. Actual power usage in games could be a fair amount lower.

[–] lowleveldata@programming.dev 2 points 11 months ago

It could be, depending on the game. It's still a good indicator that 7800XT would run hotter than 4070 in general cases.

[–] DavLemmyHav@lemmy.blahaj.zone -2 points 11 months ago (1 children)

The numbers here are the maximum number of watts used if i recall correctly. So most of the time when your gaming its probably gonna be close to those numbers

[–] sugar_in_your_tea@sh.itjust.works 3 points 11 months ago (1 children)

No, it's TDP like with CPUs. So a 200W GPU needs a cooler rated to dissipate 200W worth it thermal load (and that's not scientific, AMD and NVIDIA do it differently). The actual power usage can be higher than that under full load, and it could be lower during normal, sustained usage.

So the wattage rating doesn't really tell you much about expected power usage unless you're comparing two products from the same product line (e.g. RX 6600 and 6700), and sometimes between generations from the same company (e.g. 6600 and 7600), and even then it's just a rough idea.

[–] DavLemmyHav@lemmy.blahaj.zone 1 points 11 months ago

Oh ok thanks

[–] narc0tic_bird@lemm.ee 2 points 11 months ago (1 children)

You think 50 watts difference will noticeably heat up your room? You must have a tiny room then or the difference will hardly be measurable.

[–] lowleveldata@programming.dev 1 points 11 months ago

It is already hot enough that I don't want to add more heat to it. Also yes I have a tiny room.