The more component ports a device has, the more devices can be simultaneously connected, such as video game consoles and set-top boxes.
BenQ MS504: 6
16. supports digital input
Digital inputs carry a binary digital signal, instead of an analog signal. Digital input improves the quality of the projection.
9% have it
17. has a DVI connector
Devices that have a DVI connector (usually computers and notebooks) can be connected to the TV set.
13% have it
18. contrast ratio
Contrast ratio is the visual distance between the lightest and the darkest colors that may be reproduced on the display. A high contrast ratio is desired, resulting in richer dark colors and more distinctive color gradation.
Epson PowerLite Pro Cinema 6030UB: 600000:1
19. USB ports
With more USB ports, you are able to connect more devices.