BenQ SP840
BenQ SP840
Top 16%176 points
Top 16%
Top specs and features

BenQ SP840: 27 facts and highlights

1. width

325mm
LG PG65U: 60mm

2. has motorized zoom

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.
BenQ SP840
28% have it

3. has a VGA connector

VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.
BenQ SP840
84% have it

4. height

100mm
Elmo BOXi T-350: 17mm

5. thickness

254mm
Celluon PicoPro: 12.7mm

6. weight

3.4kg
Celluon PicoPro: 181g

7. audible noise

Audible noise is the noise that a device produces while in operation. Reduced audible noise improves quality.
38dB
Dream Vision Yunzi 1: 19dB

8. lenses

A bigger variety of brand lenses means that you have more options and can find one that suits your needs.
2
Sony VPL-VW60: 11

9. ANSI lumens

The light projected by the device is brighter, i.e. it has a higher ANSI lumens measurement.
4000cd/m²
Panasonic PT-DZ20K: 20000cd/m²

10. has lens shift

The lens shift feature on a device allows the optical lens to be physically shifted up and down (vertical) or left and right (horizontal).
BenQ SP840
36% have it

11. can be controlled remotely

A remote control allows you to control the device remotely. The remote control can be included or optional.
BenQ SP840
85% have it

12. audio output power

Audio output power is based on the number of speakers and their power in watts. High audio output power results in loud, clear sounds.
1 x 3W
Optoma EH501: 2 x 15W

13. audio input ports

More audio input ports mean that more audio devices such as microphones and keyboards can be connected at once.
3
BenQ LW61ST: 4

14. maximum projection size

The maximum size of image that a device can project without compromising quality.
300"
InFocus IN5544: 603"

16. resolution

1920 x 1080px
Sony VPL-VW350ES: 4096 x 2160px

17. has a HDMI output

Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
BenQ SP840
83% have it

18. has manual focus

This allows to manually set the focus.
BenQ SP840
71% have it

19. lamp life

This shows the lifespan of the light source. Beamers need to have their lamps (light source) replaced every now and then.
2000h
Vivitek Qumi Q7: 30000h

20. zoom ratio

Projector zoom allows you to increase or decrease the size of the projected image without moving the projector. Bigger zoom ratio provides more flexibility. The most common zoom ratio among today's projectors is 1.2. With a 1.2 zoom ratio you can vary the image size by 20% by simply adjusting the zoom lens.
1.2:1
Epson PowerLite Pro Cinema 6030UB: 2.1:1

21. power consumption operation

How much power the device consumes when it's switched on.
430W
JVC DLA-X30: 0.8W

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.
3
BenQ MS504: 6

23. 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.
85Hz
Panasonic PT-AE7000U: 480Hz

24. has a 24p cinema mode

24p is a video format (24 frames per second) traditionally used in cinema. Nowadays, it is used to create film-like motion characteristics.
BenQ SP840
0% have it

25. HDMI ports

More HDMI ports mean that you can simultaneously connect numerous devices, such as video game consoles and set-top boxes.
2
Panasonic PT-AE8000U: 3

Top 10 projectors

Add to comparison
    Compare
    This page is currently only available in English.