BenQ LK936ST vs Optoma ProScene ZU820T

BenQ LK936ST is $800 cheaper and lighter. Optoma ProScene ZU820T is brighter.

BenQ LK936ST$4,899 · Amazon
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Key differences
White light outputANSI
5,100 lm ANSI7,400 lm ANSI
Native resolution
—WUXGA (1920 × 1200)
Throw ratio
0.81–0.89:11.25–2:1
Lowest input lag
16.7 msDerived—
HDR formats
HDR10, HLG—
Fan noise
Normal 40 dB(A) · Eco 33 dB(A)Max 36 dB(A) · Eco 34 dB(A)
MSRP
—$8,699
Best price
$4,899$5,699
Room fit
Distance to screen
1.8–2.0 m2.7–4.3 m
Picture
White light outputANSI
5,100 lm ANSI7,400 lm ANSI
Claimed brightness (non-standard)
—8,800 lm
Brightness uniformity
—95%
Imaging technology
DLPDLP
Native resolution
—WUXGA (1920 × 1200)
Native aspect
16:9Derived16:10Derived
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
3,000,000:13,000,000:1
Colour gamut
Rec. 709 92% coverage—
Colour bit depth (per channel)
10 bit—
Gamma / EOTF presets
2.2, 2.4, 2.6—
HDR formats
HDR10, HLG—
Colour management (CMS)
6-axis—
3D
YesYes
3D formats
Frame sequential—
3D glasses sync
DLP-Link—
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
—Blue laser + phosphor
Light engine
—DuraCore
Light-source life
20,000 h30,000 h eco
Warm-up time
30 s—
Cool-down time
90 s—
Optics
Throw ratio
0.81–0.89:11.25–2:1
Image size
30–300 in50–300 in
Zoom
Optical—
Zoom ratio
1.1×Derived—
Focal length
8.6–9.4 mm18.72–29.59 mm
Aperture (f-number)
1.83–1.86—
Focus
ManualMotorised
Autofocus
No—
Vertical lens shift
±60%±55%
Horizontal lens shift
±23%±25%
Motorised lens shift
NoYes
Vertical keystone
40°30°
Horizontal keystone
40°30°
Auto keystone
Yes—
Corner correction
—4-corner
Grid warp
YesYes
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
Other video inputs
HDBaseTVGA, HDBaseT
Max input resolution
4K UHDDCI 4K
Audio inputs
—3.5 mm
Control ports
RS-232, Wired IR, 12 V triggerRS-232, Wired IR, 12 V trigger
Control-system drivers
CrestronCrestron
Horizontal scan
15–135 kHz—
Vertical scan
23–240 Hz—
Smart platform
Ethernet
YesYes
Audio
Speaker power
10 W10 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 mm486 × 433 × 186 mm
Weight
7,000 g13,998 g
Orientations
—360°
Dust filter
None—
Ingress protection
IP5XIP5X (light engine)
Sealed optical engine
Yes—
Environment & power
Operating temperature
0–40°C5–40°C
Operating humidity
10–90%RH10–85%RH
Altitude
3,000 m · high-altitude mode—
Power draw
Max 520 W · Normal 440 WMax 520 W · Eco 260 W
Standby
Up to 0.5 W0.5 W
Networked standby
Up to 2 W—
Mains input
100–240 V · 50/60 Hz90–264 V · 50/60 Hz
Fan noise
Normal 40 dB(A) · Eco 33 dB(A)Max 36 dB(A) · Eco 34 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
FDA laser notice
—Notice 57
Marks
—FCC
Warranty
3 yr3 yr
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LK936ST/LK936ST_UM_EN_241101130452.pdfhttps://region-resource.optoma.com/products/documents/cJBRmgq5eFRmK1IYH3CEw4MoyPCaPNqqn2dGsXXG.pdf
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, User manual, Warranty card, HDMI cable—
BenQ LK936ST$4,899 · Amazon
Buy