By the way, “throttling” refers to CPU _slowing down_ despite cooling working at full capacity, so loud fans in itself isn’t one.

e: Another way to explain thermal throttling would be “thermal fading”, like brake fading on a car. Whether brake fading is considered a design fault or a feature that allow bursts of stronger brakes is semantic.

Thin and light is great for short bursts of activity, but, when you need sustainable heavy usage, you'll need a bigger computer, even if it's just to have a bigger heatsink.