Take a laptop with a mobile graphics card. Mobile graphics cards obviously perform worse than their desktop counterparts. I would say they perform like the next lower tier on desktop (e.g. an RTX 3080 Mobile performs about as good as an RTX ~~3070~~ 3060TI desktop card according to UserBenchmark (yeah, I know, not the best site, but close enough in this case). But the mobile card still only less wats.
Example: [https://www.youtube.com/watch?v=Hz9GfxCAXgs](https://www.youtube.com/watch?v=Hz9GfxCAXgs)
This laptop uses a 200 watt charger. How can a 200 watt charger power a 3070 and an i9 processor? Even if they are just the mobile variant, isn’t that almost like expecting a 200 watt power supply to run a 3060 TI and an i7 processor from the same generation? Heck, we don’t even run 75 watt cards like GTX 1650s and 60w CPUs like some i5s and i3s on 200 watt on desktops. So what gives?
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It’s very similar technology so they produce similar results. The main factor is laptops are more compact with components closer together and less air flow so they are much more susceptible to overheating. Heat is a byproduct of electricity so the components are throttled for how much power it takes to run them.
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