ProjectorDB

BenQ LK936ST vs ViewSonic LS920WU

BenQ LK936ST is broader on HDR. ViewSonic LS920WU is $1,199.01 cheaper, brighter and quieter.

BenQ LK936ST$4,899 · Amazon
Buy
ViewSonic LS920WU$3,699.99 · Amazon
Buy
Key differences
White light outputANSI
5,100 lm ANSI6,000 lm ANSI
Native resolution
—WUXGA (1920 × 1200)
Throw ratio
0.81–0.89:11.36–2.18:1
Lowest input lag
16.7 msDerived—
HDR formats
HDR10, HLGHLG
Fan noise
Normal 40 dB(A) · Eco 33 dB(A)Normal 36 dB(A) · Eco 29 dB(A)
MSRP
—$3,699
Best price
$4,899$3,699.99
Room fit
Distance to screen
1.8–2.0 m2.9–4.7 m
Picture
White light outputANSI
5,100 lm ANSI6,000 lm ANSI
Imaging technology
DLPDLP
Native resolution
—WUXGA (1920 × 1200)
Native aspect
16:9Derived16:10Derived
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
3,000,000:1—
Colour gamut
Rec. 709 92% coverage—
Colour bit depth (per channel)
10 bit—
Gamma / EOTF presets
2.2, 2.4, 2.6—
Colour temperature presets
—D93, D65
HDR formats
HDR10, HLGHLG
Colour management (CMS)
6-axis—
3D
YesYes
3D formats
Frame sequentialFrame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
DLP-Link—
Light source
Light source
Laser (phosphor)Laser (phosphor)
Light-source life
20,000 h20,000 h
Warm-up time
30 s—
Cool-down time
90 s—
Optics
Throw ratio
0.81–0.89:11.36–2.18:1
Image size
30–300 in30–300 in
Zoom
OpticalOptical
Zoom ratio
1.1×Derived1.6×Derived
Focal length
8.6–9.4 mm—
Aperture (f-number)
1.83–1.86—
Focus
ManualManual
Autofocus
No—
Vertical lens shift
±60%±50%
Horizontal lens shift
±23%±50%
Motorised lens shift
No—
Vertical keystone
40°40°
Horizontal keystone
40°40°
Auto keystone
Yes—
Corner correction
—4-corner
Grid warp
Yes—
Motion & gaming
Input lag
1080p: 60 Hz 16.7 ms · 4K UHD: 60 Hz 16.7 ms—
Inputs & control
HDMI inputs
HDMI 2.0 (HDCP 2.2) · HDMI 2.0 (eARC, HDCP 2.2)2 × HDMI 2.0 (HDCP 2.2)
Other video inputs
HDBaseTVGA, Composite, HDBaseT
Max input resolution
4K UHD4K UHD
Audio inputs
—3.5 mm, RCA
Control ports
RS-232, Wired IR, 12 V triggerRS-232, 12 V trigger
Control-system drivers
CrestronCrestron, AMX
Horizontal scan
15–135 kHz15–135 kHz
Vertical scan
23–240 Hz23–120 Hz
Smart platform
Ethernet
YesYes
Audio
Speaker power
10 W20 W
Speakers
12
Layout
Mono—
Audio formats
Dolby Atmos—
Audio outputs
3.5 mm, Optical, HDMI eARC3.5 mm
HDMI audio return
eARCDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
416 × 351 × 166 mm405 × 305 × 145 mm
Weight
7,000 g6,500 g
Orientations
—Portrait, 360°
Ceiling mount
—M4, 12.8–15.8 mm screws
Dust filter
None—
Ingress protection
IP5X—
Sealed optical engine
Yes—
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–90%RH10–90%RH
Altitude
3,000 m · high-altitude mode3,000 m · high-altitude mode
Power draw
Max 520 W · Normal 440 W450 W
Standby
Up to 0.5 WUp to 0.5 W
Networked standby
Up to 2 W—
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 40 dB(A) · Eco 33 dB(A)Normal 36 dB(A) · Eco 29 dB(A)
Safety & support
Laser class
Class 1—
Risk group
RG2RG2
Marks
—CE, FCC
Warranty
3 yr5 yr (light source 1 yr)
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LK936ST/LK936ST_UM_EN_241101130452.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS920WU_LS921WU/LS920WU_LS921WU_UG_ENG.pdf
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, User manual, Warranty card, HDMI cablePower cord, Remote, Quick start guide
BenQ LK936ST$4,899 · Amazon
Buy
ViewSonic LS920WU$3,699.99 · Amazon
Buy