BenQ LK936ST vs InFocus INL3148HD

BenQ LK936ST is in stock. InFocus INL3148HD is lighter.

	BenQ LK936ST$4,899 · Amazon Buy	InFocus INL3148HD

Key differences
White light output
White light output	5,100 lm ANSI	—
Native resolution
Native resolution	—	1080p (1920 × 1080)
Throw ratio
Throw ratio	0.81–0.89:1	1.4–2.24:1
Lowest input lag
Lowest input lag	16.7 msDerived	—
HDR formats
HDR formats	HDR10, HLG	—
Fan noise
Fan noise	Normal 40 dB(A) · Eco 33 dB(A)	—
Best price
Best price	$4,899	—
Room fit80″100″120″150″
Distance to screen
Distance to screen	1.8–2.0 m	3.1–5.0 m
Picture
White light output
White light output	5,100 lm ANSI	—
Claimed brightness (non-standard)
Claimed brightness (non-standard)	—	5,500 lm
Brightness uniformity
Brightness uniformity	—	85%
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	—	0.65 in
Native resolution
Native resolution	—	1080p (1920 × 1080)
Native aspect
Native aspect	16:9Derived	16:9Derived
Addressable resolution
Addressable resolution	4K UHD (3840 × 2160)	—
Dynamic contrast
Dynamic contrast	3,000,000:1	—
Colour gamut
Colour gamut	Rec. 709 92% coverage	—
Colour bit depth (per channel)
Colour bit depth (per channel)	10 bit	—
Gamma / EOTF presets
Gamma / EOTF presets	2.2, 2.4, 2.6	—
HDR formats
HDR formats	HDR10, HLG	—
Colour management (CMS)
Colour management (CMS)	6-axis	—
3D
3D	Yes	Yes
3D formats
3D formats	Frame sequential	Side-by-side, Top-bottom, Frame sequential
3D glasses sync
3D glasses sync	DLP-Link	—
Light source
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Emitter
Emitter	—	Blue laser + phosphor
Light engine
Light engine	—	Quantum Color Engine
Light-source life
Light-source life	20,000 h	30,000 h
Light output control
Light output control	—	Steps
Warm-up time
Warm-up time	30 s	—
Cool-down time
Cool-down time	90 s	—
Optics
Throw ratio
Throw ratio	0.81–0.89:1	1.4–2.24:1
Image size
Image size	30–300 in	28.2–300 in
Projection offset
Projection offset	—	113%
Zoom
Zoom	Optical	Optical
Zoom ratio
Zoom ratio	1.1×Derived	1.6×Derived
Focal length
Focal length	8.6–9.4 mm	25–32.6 mm
Aperture (f-number)
Aperture (f-number)	1.83–1.86	—
Focus
Focus	Manual	Manual
Autofocus
Autofocus	No	No
Vertical lens shift
Vertical lens shift	±60%	—
Horizontal lens shift
Horizontal lens shift	±23%	—
Motorised lens shift
Motorised lens shift	No	—
Vertical keystone
Vertical keystone	40°	30°
Horizontal keystone
Horizontal keystone	40°	30°
Auto keystone
Auto keystone	Yes	Yes
Corner correction
Corner correction	—	4-corner
Grid warp
Grid warp	Yes	—
Motion & gaming
Input lag
Input lag	1080p: 60 Hz 16.7 ms · 4K UHD: 60 Hz 16.7 ms	—
Inputs & control
HDMI inputs
HDMI inputs	HDMI 2.0 (HDCP 2.2) · HDMI 2.0 (eARC, HDCP 2.2)	HDMI 2.0 · HDMI 1.4
Other video inputs
Other video inputs	HDBaseT	VGA, Composite, HDBaseT
Max input resolution
Max input resolution	4K UHD	DCI 4K
Audio inputs
Audio inputs	—	3.5 mm, Microphone
USB media playback
USB media playback	—	No
Control ports
Control ports	RS-232, Wired IR, 12 V trigger	RS-232
Control-system drivers
Control-system drivers	Crestron	—
Horizontal scan
Horizontal scan	15–135 kHz	15–102 kHz
Vertical scan
Vertical scan	23–240 Hz	23–120 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Audio
Speaker power
Speaker power	10 W	20 W
Speakers
Speakers	1	2
Layout
Layout	Mono	Stereo
Audio formats
Audio formats	Dolby Atmos	—
Audio outputs
Audio outputs	3.5 mm, Optical, HDMI eARC	3.5 mm
HDMI audio return
HDMI audio return	eARCDerived	NoneDerived
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	416 × 351 × 166 mm	374 × 302 × 117 mm
Weight
Weight	7,000 g	5,500 g
Orientations
Orientations	—	Table, Ceiling, Portrait, 360°
Dust filter
Dust filter	None	—
Ingress protection
Ingress protection	IP5X	IP5X
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	10–85%RH
Altitude
Altitude	3,000 m · high-altitude mode	3,048 m
Power draw
Power draw	Max 520 W · Normal 440 W	Max 341 W
Standby
Standby	Up to 0.5 W	Up to 0.5 W
Networked standby
Networked standby	Up to 2 W	—
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Normal 40 dB(A) · Eco 33 dB(A)	—
Safety & support
Laser class
Laser class	Class 1	—
Risk group
Risk group	RG2	—
Marks
Marks	—	CE, FCC, UL, KC
Warranty
Warranty	3 yr	—
User manual
User manual	https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LK936ST/LK936ST_UM_EN_241101130452.pdf	https://www.projectorcentral.com/pdf/projector_manual_10793.pdf
In the box
In the box
In the box	Power cord, Remote, Remote batteries, Quick start guide, User manual, Warranty card, HDMI cable	Remote, Quick start guide, User manual, Warranty card, HDMI cable

BenQ LK936ST$4,899 · Amazon

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InFocus INL3148HD