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
16. has a HDMI output
Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
84% have it
17. power consumption on standby
How much power the device consumes when shut down but still plugged in.
Panasonic PT-AE8000U: 0.08W
18. optical zoom
The zoom range is the ratio between the longest and shortest focal lengths. A higher zoom range means that the lens is more versatile.
Panasonic PT-AE8000U: 2x
19. refresh rate
The frequency at which the screen is refreshed. Higher frequency results in less flickering (less noise) and more natural movement representation in action-intense scenes.
Panasonic PT-AE7000U: 480Hz
20. component ports
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
21. power consumption operation
How much power the device consumes when it's switched on.