The Pi has a weird boot sequence because of the Broadcom chip. SBCs with uncomplicated boot loaders can get you to a shell prompt within one second of applying

The Pi has a weird boot sequence because of the Broadcom chip. SBCs with uncomplicated boot loaders can get you to a shell prompt within one second of applying power; I imagine getting to a lightweight graphical environment in under 2 seconds is not hard. Doubtless you can reduce that a little with tweaking. That's a good deal faster than my car stereo, say.