BenQ LK936ST vs Epson PowerLite L690E

BenQ LK936ST is lighter and in stock. Epson PowerLite L690E is $730 cheaper and quieter.

Key differences
White light output
5,100 lm ANSI6,500 lm ISO
Native resolution
—WUXGA (1920 × 1200)
Throw ratio
0.81–0.89:11.35–2.2:1
Lowest input lag
16.7 msDerived—
Fan noise
Normal 40 dB(A) · Eco 33 dB(A)Normal 32 dB(A) · Eco 25 dB(A)
MSRP
—$4,169
Best price
$4,899—
Room fit
Distance to screen
1.8–2.0 m2.9–4.7 m
Picture
White light output
5,100 lm ANSI6,500 lm ISO
Colour light output
—6,500 lm
Brightness uniformity
—88%
Imaging technology
DLP3LCD
Chip / panel diagonal
—0.67 in
Native resolution
—WUXGA (1920 × 1200)
Native aspect
16:9Derived16:10Derived
Pixel shift
—Yes (scheme not stated)
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
3,000,000:1Over 5,000,000:1
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, HLGHDR10, HLG
Colour management (CMS)
6-axis—
3D
Yes—
3D formats
Frame sequential—
3D glasses sync
DLP-Link—
Light source
Light source
Laser (phosphor)Laser (phosphor)
Light-source life
20,000 h20,000 h normal · 30,000 h eco
Life defined as
—50% brightness
Light output control
—Continuous
Warm-up time
30 s—
Cool-down time
90 s—
Optics
Throw ratio
0.81–0.89:11.35–2.2:1
Image size
30–300 in50–500 in
Zoom
OpticalOptical
Zoom ratio
1.1×Derived1.63×Derived
Focal length
8.6–9.4 mm20–31.8 mm
Aperture (f-number)
1.83–1.861.5–1.7
Focus
ManualManual
Autofocus
No—
Vertical lens shift
±60%±50%
Horizontal lens shift
±23%±20%
Motorised lens shift
NoNo
Vertical keystone
40°30°
Horizontal keystone
40°30°
Auto keystone
Yes—
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 (HDCP 2.3)
Other video inputs
HDBaseTHDBaseT
Max input resolution
4K UHD4K UHD
USB media playback
—Yes
Control ports
RS-232, Wired IR, 12 V triggerRS-232
PJLink
—Class 2
Control-system drivers
Crestron—
Horizontal scan
15–135 kHz26–135 kHz
Vertical scan
23–240 Hz23.98–60 Hz
Smart platform
Wi-Fi
—Wi-Fi 6
Ethernet
YesYes
Casting
—AirPlay 2, Miracast
Audio
Speaker power
10 W10 W
Speakers
11
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 mm440 × 304 × 122 mm
Weight
7,000 g8,210 g
Orientations
—Table, Ceiling, Rear, 360°
Dust filter
NoneReplaceable
Ingress protection
IP5X—
Sealed optical engine
Yes—
Environment & power
Operating temperature
0–40°C0–45°C
Operating humidity
10–90%RH20–80%RH
Altitude
3,000 m · high-altitude mode3,048 m
Power draw
Max 520 W · Normal 440 W415 W
Standby
Up to 0.5 W0.3 W
Networked standby
Up to 2 W2.4 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 32 dB(A) · Eco 25 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
FDA laser notice
—Notice 57
Warranty
3 yr🇺🇸 US 3 yr · 🇨🇦 CA 3 yr
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LK936ST/LK936ST_UM_EN_241101130452.pdfhttps://download2.ebz.epson.net/sec_pubs_visual/eai/projectors/pdf/useg/EN/UsersGuide_EBL890E_EN_EAI.pdf
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, User manual, Warranty card, HDMI cablePower cord, Remote, Remote batteries, Quick start guide
BenQ LK936ST$4,899 · Amazon
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