A user from 4PDA.ru measured the power consumption of the MiniX with the August firmware.
Off means when the led is red.
Off/standby – 10mA
Boot – 220-380mA
Android logo booting – 450mA
Idle(home screen) – 340-390mA
Mouse connected – 420mA
Mouse pointer move – 550-580mA
Interactive governer idle – 200-260mA
Video streaming from ex.ua app 300-500mA (maybe depends on FPS)
GTA3 with joystick connected – 550mA
Angry Birds – 590mA
Standby with interactive governer – 40mA
Standby default governer fantasy – 330mA