Audible noise is the noise that a device produces while in operation. Reduced audible noise improves quality.
Philips PicoPix 2480
How much power the device consumes when it's switched on.
4096 x 2160px
1920 x 1080px
The light projected by the device is brighter, i.e. it has a higher ANSI lumens measurement.
Motorized or power zoom lenses allow the user to remotely press a switch, for example on a remote control, causing the projector to automatically zoom in or out and correct the size of the image.
A bigger variety of brand lenses means that you have more options and can find one that suits your needs.
The device can display 3D images without the need for wearing special glasses. The display's special construction allows viewers to get a sense of an image's depth by tailoring its position to fit the user's perspective.
The lens shift feature on a device allows the optical lens to be physically shifted up and down (vertical) or left and right (horizontal).
More HDMI ports mean that you can simultaneously connect numerous devices, such as video game consoles and set-top boxes.
Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
A remote control allows you to control the device remotely. The remote control can be included or optional.
The bigger the screen size is, the better the user experience.
Epson PowerLite Home Cinema 8350
Digital inputs carry a binary digital signal, instead of an analog signal. Digital input improves the quality of the projection.