BenQ LK936ST vs Sharp XP-P721Q-W

BenQ LK936ST is $1,342.98 cheaper and lighter. Sharp XP-P721Q-W is brighter and quieter.

	BenQ LK936ST$4,899 · Amazon Buy	Sharp XP-P721Q-W$6,241.98 · Amazon Buy

Key differences
White light outputANSI
White light outputANSI	5,100 lm ANSI	7,200 lm ISO · 7,200 lm ANSI
Native resolution
Native resolution	—	1080p (1920 × 1080)
Throw ratio
Throw ratio	0.81–0.89:1	1.25–2:1
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)	Normal 36 dB(A) · Eco 34 dB(A)
Best price
Best price	$4,899	$6,241.98
Room fit80″100″120″150″
Distance to screen
Distance to screen	1.8–2.0 m	2.8–4.4 m
Picture
White light outputANSI
White light outputANSI	5,100 lm ANSI	7,200 lm ISO · 7,200 lm ANSI
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
Pixel shift
Pixel shift	—	Yes (scheme not stated)
Addressable resolution
Addressable resolution	4K UHD (3840 × 2160)	4K UHD (3840 × 2160)
Dynamic contrast
Dynamic contrast	3,000,000:1	3,000,000:1
Dynamic contrast method
Dynamic contrast method	—	Light-source dimming
Colour gamut
Colour gamut	Rec. 709 92% coverage	—
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	2.2, 2.4, 2.6
HDR formats
HDR formats	HDR10, HLG	—
Tone mapping
Tone mapping	—	Adjustable
Colour management (CMS)
Colour management (CMS)	6-axis	6-axis
3D
3D	Yes	Yes
3D formats
3D formats	Frame sequential	Frame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
3D glasses sync	DLP-Link	DLP-Link
Light source
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Emitter
Emitter	—	Blue laser + phosphor
Laser wavelengths
Laser wavelengths	—	B 455 nm
Light-source life
Light-source life	20,000 h	20,000 h normal · 30,000 h eco
Life defined as
Life defined as	—	50% brightness
Light output control
Light output control	—	Continuous
Constant brightness mode
Constant brightness mode	—	Yes
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	1.25–2:1
Image size
Image size	30–300 in	60–300 in
Zoom
Zoom	Optical	Optical
Zoom ratio
Zoom ratio	1.1×Derived	1.6×Derived
Focal length
Focal length	8.6–9.4 mm	18.7–29.6 mm
Aperture (f-number)
Aperture (f-number)	1.83–1.86	2–2.4
Focus
Focus	Manual	Motorised
Autofocus
Autofocus	No	—
Vertical lens shift
Vertical lens shift	±60%	±55%
Horizontal lens shift
Horizontal lens shift	±23%	±25%
Motorised lens shift
Motorised lens shift	No	Yes
Lens memory slots
Lens memory slots	—	5
Vertical keystone
Vertical keystone	40°	40°
Horizontal keystone
Horizontal keystone	40°	40°
Auto keystone
Auto keystone	Yes	—
Grid warp
Grid warp	Yes	Yes
Motion & gaming
Max input refresh
Max input refresh	—	1080p: 240 Hz · 4K UHD: 60 Hz
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)	2 × HDMI (HDCP 2.2)
Other video inputs
Other video inputs	HDBaseT	HDBaseT
Max input resolution
Max input resolution	4K UHD	4K UHD
Audio inputs
Audio inputs	—	3.5 mm
Control ports
Control ports	RS-232, Wired IR, 12 V trigger	RS-232, Wired IR, 12 V trigger
PJLink
PJLink	—	Class 2
Control-system drivers
Control-system drivers	Crestron	Crestron
Horizontal scan
Horizontal scan	15–135 kHz	15–255 kHz
Vertical scan
Vertical scan	23–240 Hz	24–240 Hz
Smart platform
Wi-Fi
Wi-Fi	—	None
Ethernet
Ethernet	Yes	Yes
Audio
Speaker power
Speaker power	10 W	20 W
Speakers
Speakers	1	2
Layout
Layout	Mono	Mono
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	486 × 433 × 186 mm
Weight
Weight	7,000 g	14,700 g
Colours
Colours	—	White
Orientations
Orientations	—	Table, Ceiling, Rear, Portrait, 360°
Ceiling mount
Ceiling mount	—	4 × M4, screws ≥ 8 mm
Dust filter
Dust filter	None	None
Ingress protection
Ingress protection	IP5X	—
Sealed optical engine
Sealed optical engine	Yes	Yes
Environment & power
Operating temperature
Operating temperature	0–40°C	0–45°C
Operating humidity
Operating humidity	10–90%RH	10–85%RH
Altitude
Altitude	3,000 m · high-altitude mode	3,048 m · high-altitude mode
Power draw
Power draw	Max 520 W · Normal 440 W	Max 530 W · Normal 530 W · Eco 285 W
Standby
Standby	Up to 0.5 W	Up to 0.5 W
Networked standby
Networked standby	Up to 2 W	Up to 2 W
Power supply
Power supply	—	Built in
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)	Normal 36 dB(A) · Eco 34 dB(A)
Safety & support
Laser class
Laser class	Class 1	Class 1
Risk group
Risk group	RG2	RG2
Marks
Marks	—	CE, UKCA
Warranty
Warranty	3 yr	🇨🇦 CA 5 yr or 20,000 h · 🇪🇺 EU 3 yr (light source 3 yr or 10,000 h)
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_12438.pdf
In the box
In the box
In the box	Power cord, Remote, Remote batteries, Quick start guide, User manual, Warranty card, HDMI cable	Power cord, Remote, Remote batteries, Quick start guide
Remote
Remote	—	IR

BenQ LK936ST$4,899 · Amazon

Buy

Sharp XP-P721Q-W$6,241.98 · Amazon

Buy