ProjectorDB

BenQ LK936ST vs Epson PowerLite L690SU

BenQ LK936ST is lighter. Epson PowerLite L690SU is $771.23 cheaper and quieter.

BenQ LK936ST$4,899 · Amazon
Buy
Epson PowerLite L690SU$4,127.77 · Amazon
Buy
Key differences
White light output
5,100 lm ANSI6,200 lm ISO
Native resolution
—WUXGA (1920 × 1200)
Throw ratio
0.81–0.89:10.79–1.36:1
Lowest input lag
16.7 msDerived—
Fan noise
Normal 40 dB(A) · Eco 33 dB(A)Normal 38 dB(A) · Eco 27 dB(A)
MSRP
—$4,661
Best price
$4,899$4,127.77
Room fit
Distance to screen
1.8–2.0 m1.7–2.9 m
Picture
White light output
5,100 lm ANSI6,200 lm ISO
Colour light output
—6,200 lm
Brightness uniformity
—88%
Imaging technology
DLP3LCD
Chip / panel diagonal
—0.67 in
Native resolution
—WUXGA (1920 × 1200)
Native aspect
16:9Derived16:10Derived
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
3,000,000:1Up to 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
Warm-up time
30 s—
Cool-down time
90 s—
Optics
Throw ratio
0.81–0.89:10.79–1.36:1
Image size
30–300 in60–400 in
Zoom
OpticalOptical
Zoom ratio
1.1×Derived1.72×Derived
Focal length
8.6–9.4 mm11.6–19.9 mm
Aperture (f-number)
1.83–1.861.7–2.1
Focus
ManualManual
Autofocus
No—
Vertical lens shift
±60%±50%
Horizontal lens shift
±23%±20%
Motorised lens shift
No—
Vertical keystone
40°30°
Horizontal keystone
40°30°
Auto keystone
Yes—
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 (HDCP 2.3)
Other video inputs
HDBaseTHDBaseT
Max input resolution
4K UHD—
USB media playback
—Yes
Control ports
RS-232, Wired IR, 12 V triggerRS-232
PJLink
—Class 2
Control-system drivers
CrestronControl4, Crestron, AMX
Horizontal scan
15–135 kHz26–135 kHz
Vertical scan
23–240 Hz—
Smart platform
Wi-Fi
—Wi-Fi 6
Ethernet
YesYes
Casting
—AirPlay 2, Miracast
Audio
Speaker power
10 W10 W
Speakers
11
Layout
MonoMono
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 g9,979 g
Ceiling mount
—4 × M4, screws ≤ 9 mm
Dust filter
None—
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 WNormal 415 W · Eco 305 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 38 dB(A) · Eco 27 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2—
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.pdf—
Spare parts
—Air filter V13H134AF0
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
Buy
Epson PowerLite L690SU$4,127.77 · Amazon
Buy