Earlier quoted context omitted.
i don't know about other people's experience - but my framework with intel cpu is always running that fan relatively maxed out even when it's not doing anything. And it has massive issues staying asleep which is some sort of driver issue with Windows. But I can be an airport and all of a sudden my backpack feels like it's about to combust and i can hear my laptop fan rippin', even though it should be asleep.
Some new laptops cannot actually fully suspend to ram. It sounds crazy but I had this issue even after installing Linux on a laptop. It’s a hardware limitation. You can thank Microsoft for trying to make sure they can sneak in OS updates when you think your laptop is asleep.
Combined with properly prepared HW taking less power in modern standby than in S3, but it requires hardware/firmware/driver/userland confluence to work well