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
16. power consumption operation
How much power the device consumes when it's switched on.
JVC DLA-X30: 0.8W
17. power consumption on standby
How much power the device consumes when shut down but still plugged in.
Panasonic PT-AE8000U: 0.08W
18. lamp life
This shows the lifespan of the light source. Beamers need to have their lamps (light source) replaced every now and then.
Vivitek Qumi Q7: 30000h
19. 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
20. has a HDMI output
Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
83% have it
21. USB ports
With more USB ports, you are able to connect more devices.
Optoma UHD51A: 4
22. 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
23. 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.