 UAE can use as much of the host's power in native mode as possible, or balance it with other requirements of the host OS, or to accurately reflect the original speed, depending on a user's choice.UAE also provides an RTG-compatible "video card" for the Amiga side of the emulation which is tailored for display on the host hardware, so as not to be limited to the emulation of the original Amiga video hardware.There are five main forks of the original program