BenQ LW550 vs Optoma ZW350ST

BenQ LW550 is lighter. Optoma ZW350ST is better for gaming.

	BenQ LW550MSRP $849	Optoma ZW350ST$814.99 · Amazon Buy

Key differences
White light output
White light output	3,000 lm ANSI	—
Throw ratio
Throw ratio	1.55–1.7:1	0.52:1
Lowest input lag
Lowest input lag	33.4 msDerived	17 msDerived
Light source
Light source	LED	Laser (phosphor)
Fan noise
Fan noise	Normal 34 dB(A) · Eco 28 dB(A)	Normal 34 dB(A) · Eco 27 dB(A)
MSRP
MSRP	$849	$999
Best price
Best price	—	$814.99
Room fit80″100″120″150″
Distance to screen
Distance to screen	3.3–3.7 m	1.1 m
Picture
White light output
White light output	3,000 lm ANSI	—
Claimed brightness (non-standard)
Claimed brightness (non-standard)	—	3,600 lm
Brightness uniformity
Brightness uniformity	—	75%
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.65 in	0.65 in
Native resolution
Native resolution	WXGA (1280 × 800)	WXGA (1280 × 800)
Native aspect
Native aspect	16:10Derived	16:10Derived
Dynamic contrast
Dynamic contrast	20,000:1	2,000,000:1
Colour gamut
Colour gamut	Rec. 709 95%	—
Colour bit depth (per channel)
Colour bit depth (per channel)	10 bit	10 bit
Gamma / EOTF presets
Gamma / EOTF presets	2.2, 2.4, 2.6	—
Colour temperature presets
Colour temperature presets	Native, Custom	—
Colour management (CMS)
Colour management (CMS)	6-axis	—
Picture mode memories
Picture mode memories	2	—
3D
3D	Yes	Yes
3D formats
3D formats	Frame packing, Side-by-side, Top-bottom, Frame sequential	Frame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
3D glasses sync	—	DLP-Link
Light source
Light source
Light source	LED	Laser (phosphor)
Light-source life
Light-source life	20,000 h normal · 30,000 h eco	30,000 h
Light output control
Light output control	—	Steps
Warm-up time
Warm-up time	10 s	—
Cool-down time
Cool-down time	—	90 s
Optics
Throw ratio
Throw ratio	1.55–1.7:1	0.52:1
Image size
Image size	—	30–300 in
Projection offset
Projection offset	100%	115%
Zoom
Zoom	Optical	None
Zoom ratio
Zoom ratio	1.1×Derived	—
Focal length
Focal length	—	7.51 mm
Aperture (f-number)
Aperture (f-number)	—	2.8
Focus
Focus	Manual	Manual
Autofocus
Autofocus	—	No
Vertical keystone
Vertical keystone	30°	15°
Horizontal keystone
Horizontal keystone	30°	—
Auto keystone
Auto keystone	Yes	—
Lens material
Lens material	Glass	—
Motion & gaming
Input lag
Input lag	1080p: 60 Hz 33.4 ms	1080p: 60 Hz 17 ms
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI 1.4 (HDCP 1.4)	2 × HDMI 1.4
Max input resolution
Max input resolution	WUXGA	—
Control ports
Control ports	RS-232	RS-232
Control-system drivers
Control-system drivers	—	Crestron
Horizontal scan
Horizontal scan	15–102 kHz	15–140 kHz
Vertical scan
Vertical scan	23–120 Hz	24–120 Hz
Smart platform
Ethernet
Ethernet	—	Yes
Audio
Speaker power
Speaker power	10 W	15 W
Speakers
Speakers	1	1
Layout
Layout	Mono	Mono
Audio outputs
Audio outputs	3.5 mm	3.5 mm
HDMI audio return
HDMI audio return	NoneDerived	NoneDerived
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	304 × 221 × 107 mm	274 × 216 × 114 mm
Weight
Weight	2,600 g	3,000 g
Colours
Colours	—	White
Orientations
Orientations	Table, Ceiling, Rear	Table, Ceiling, Rear, 360°
Ceiling mount
Ceiling mount	M4, 20–25 mm screws	—
Ingress protection
Ingress protection	—	IP6X
Sealed optical engine
Sealed optical engine	—	Yes
Environment & power
Operating temperature
Operating temperature	0–40°C	0–40°C
Operating humidity
Operating humidity	10–90%RH	—
Altitude
Altitude	3,000 m · high-altitude mode	2,500 m · high-altitude mode
Power draw
Power draw	Max 250 W · Normal 215 W	Max 139 W · Normal 140 W · Eco 100 W
Standby
Standby	Up to 0.5 W	Up to 0.5 W
Power supply
Power supply	—	External adapter
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Normal 34 dB(A) · Eco 28 dB(A)	Normal 34 dB(A) · Eco 27 dB(A)
Safety & support
Laser class
Laser class	—	Class 1
Risk group
Risk group	RG2	RG2
Marks
Marks	—	FCC
Warranty
Warranty	3 yr	1 yr (light source 5 yr or 12,000 h)
User manual
User manual	https://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/LH550/UM_EN_230310103612.pdf	https://region-resource.optoma.com/products/import/Documents/02387d20-4b12-4d04-97e4-be316b803cf2.pdf
In the box
In the box
In the box	Power cord, Remote, Remote batteries, Quick start guide, Warranty card	Power cord, Remote, Remote batteries, User manual
Remote
Remote	IR	IR

BenQ LW550MSRP $849

Optoma ZW350ST$814.99 · Amazon

Buy