It's basically impossible for hibernating a laptop to take more than about 5-6 minutes unless you deliberately configured it with insanely imbalanced components, ie. more RAM than mainstream laptop hardware platforms support, and the slowest storage you can find.

Could still be a problem if you are expecting hibernation to save you at 1% battery remaining.

Especially when 1% is displayed as 5% or 10%.

The monster laptop consumes more power because it has all of that RAM, the battery is sized to "not cause a crisis on an airplane if it burns up" not to power a machine of that type, particularly after a year of battery aging.

I have an Alienware that runs rings around any Mac and can do ML dev work with NVIDIA if it is on the plug but on battery I count on it to keep running as I move it to another plug and for the battery to maintain sleep mode for 48 hrs or so.

SSDs have also been getting pretty fast, though.

I don't have lots of RAM (but rather on the low side for present day), but hibernation takes maybe 15 seconds on a SATA SSD.

Hibernation was definitely a lot slower 10 years ago on a desktop with less RAM and a slow spinning disk.

Really? Hibernate has never taken more than 30 seconds for me even on a mediocre laptop with an HDD.

My bog-standard PCIe laptop SSD writes at 3GB/s, so anything over 10s seems like it is an implementation problem not a hardware limitation.