BenQ GV31 vs Nebula Mars 3 Air

Nebula Mars 3 Air is $79.01 cheaper, brighter and in stock.

	BenQ GV31MSRP $599	Nebula Mars 3 Air$519.99 · Amazon Buy

Key differences
White light outputANSI
White light outputANSI	300 lm ANSI	400 lm ANSI
Lowest input lag
Lowest input lag	45 msDerived	—
HDR formats
HDR formats	—	HDR10, HLG
Fan noise
Fan noise	Normal 28 dB(A) · Eco 26 dB(A)	28 dB(A)
MSRP
MSRP	$599	$599.99
Best price
Best price	—	$519.99
Room fit80″100″120″150″
Distance to screen
Distance to screen	2.7 m	2.7 m
Picture
White light outputANSI
White light outputANSI	300 lm ANSI	400 lm ANSI
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.23 in	0.23 in
Native resolution
Native resolution	1080p (1920 × 1080)	1080p (1920 × 1080)
Native aspect
Native aspect	16:9Derived	16:9Derived
Dynamic contrast
Dynamic contrast	100,000:1	400:1
Colour gamut
Colour gamut	Rec. 709 98% coverage	—
Colour bit depth (per channel)
Colour bit depth (per channel)	8 bit	8 bit
HDR formats
HDR formats	—	HDR10, HLG
Light source
Light source
Light source	LED	LED
Emitter
Emitter	—	RGB LED
Light-source life
Light-source life	20,000 h normal · 30,000 h eco	30,000 h
Light output control
Light output control	—	Steps
Optics
Throw ratio
Throw ratio	1.2:1	1.2:1
Image size
Image size	30–120 in	30–150 in
Projection offset
Projection offset	100%	—
Zoom
Zoom	None	Digital
Focal length
Focal length	6.26 mm	—
Aperture (f-number)
Aperture (f-number)	1.7	—
Focus
Focus	—	Motorised
Autofocus
Autofocus	Yes	Yes
Autofocus runs
Autofocus runs	—	When moved
Vertical lens shift
Vertical lens shift	—	None
Horizontal lens shift
Horizontal lens shift	—	None
Vertical keystone
Vertical keystone	40°	—
Auto keystone
Auto keystone	Yes	Yes
Corner correction
Corner correction	—	4-corner
Auto setup
Auto setup	—	Fit to screen, Obstacle avoidance
Interchangeable lens
Interchangeable lens	—	No
Motion & gaming
Max input refresh
Max input refresh	—	1080p: 60 Hz
Input lag
Input lag	1080p: 60 Hz 45 ms	—
Inputs & control
HDMI inputs
HDMI inputs	HDMI 1.4 (HDCP 1.4) · HDMI 1.4 (HDCP 1.4, internal)	HDMI 2.0
Other video inputs
Other video inputs	USB-C (DisplayPort)	None
Max input resolution
Max input resolution	1080p	1080p
Audio inputs
Audio inputs	—	3.5 mm
USB media playback
USB media playback	Yes	Yes
Horizontal scan
Horizontal scan	25–85 kHz	—
Vertical scan
Vertical scan	22–62 Hz	—
Smart platform
Wi-Fi
Wi-Fi	Wi-Fi 6	Wi-Fi 5
Bluetooth
Bluetooth	5.0	5.1
Smart platform
Smart platform	Android TV	Google TV
OS version
OS version	11	—
Google-certified
Google-certified	Yes	—
Security updates until
Security updates until	31 Dec 2026	—
Netflix
Netflix	Via dongle	Built in
Casting
Casting	Chromecast built-in	Chromecast built-in
Audio
Speaker power
Speaker power	Up to 16 W	16 W
Speakers
Speakers	2	2
Layout
Layout	2.1	Stereo
Audio formats
Audio formats	—	Dolby Audio
Audio outputs
Audio outputs	3.5 mm, Bluetooth	3.5 mm, Bluetooth
HDMI audio return
HDMI audio return	NoneDerived	NoneDerived
Bluetooth speaker mode
Bluetooth speaker mode	Yes	Yes
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	131 × 191 × 203 mm	122 × 178 × 133 mm
Weight
Weight	1,700 g	1,680 g
Orientations
Orientations	Table, Ceiling, Rear	Table, Ceiling, Rear
Built-in stand
Built-in stand	Base, 135° tilt	—
Tripod socket
Tripod socket	Yes	Yes
Exhaust
Exhaust	—	Rear
Dust filter
Dust filter	—	None
Sealed optical engine
Sealed optical engine	—	Yes
Environment & power
Operating temperature
Operating temperature	0–40°C	0–35°C
Operating humidity
Operating humidity	10–90%RH	—
Altitude
Altitude	2,000 m	—
Power draw
Power draw	45 W	Max 90 W
Standby
Standby	—	Up to 1 W
Power supply
Power supply	External adapter	External adapter
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V
Battery
Battery	—	64.8 Wh
Battery runtime
Battery runtime	About 180 min	150 min
Fan noise
Fan noise	Normal 28 dB(A) · Eco 26 dB(A)	28 dB(A)
Safety & support
Marks
Marks	—	CE, FCC
Warranty
Warranty	3 yr	🇺🇸 US 1 yr · 🇦🇺 AU 1 yr
User manual
User manual	https://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/GV31/GV31_UM_EN_230616163647.pdf	https://salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000014639/en_US/000014639.pdf
In the box
In the box
In the box	Power cord, Power adapter, Remote, Remote batteries, Quick start guide, Warranty card	Power cord, Power adapter, Remote, Remote batteries, Quick start guide
Remote
Remote	—	Voice

BenQ GV31MSRP $599

Nebula Mars 3 Air$519.99 · Amazon

Buy