ProjectorDB

BenQ AK900ST vs BenQ LK936ST

BenQ AK900ST is brighter, better for gaming and quieter. BenQ LK936ST is $1,100 cheaper, lighter and in stock.

BenQ AK900STMSRP $5,999
BenQ LK936ST$4,899 · Amazon
Buy
Key differences
White light outputANSI
6,000 lm ANSI5,100 lm ANSI
Lowest input lag
4.8 msDerived16.7 msDerived
Fan noise
Normal 34 dB(A) · Eco 29 dB(A)Normal 40 dB(A) · Eco 33 dB(A)
MSRP
$5,999—
Best price
—$4,899
Room fit
Distance to screen
1.8–2.0 m1.8–2.0 m
Picture
White light outputANSI
6,000 lm ANSI5,100 lm ANSI
Imaging technology
DLPDLP
Chip / panel diagonal
0.47 in—
Native aspect
16:9Derived16:9Derived
Pixel shift
Yes (scheme not stated)—
Addressable resolution
4K UHD (3840 × 2160)4K UHD (3840 × 2160)
Dynamic contrast
3,000,000:13,000,000:1
Colour gamut
Rec. 709 97% coverageRec. 709 92% coverage
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
2.2, 2.4, 2.62.2, 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 h normal · 30,000 h eco20,000 h
Light output control
Continuous—
Warm-up time
—30 s
Cool-down time
About 15 s90 s
Optics
Throw ratio
0.81–0.89:10.81–0.89:1
Image size
95–300 in30–300 in
Zoom
OpticalOptical
Zoom ratio
1.1×Derived1.1×Derived
Focal length
8.6–9.4 mm8.6–9.4 mm
Aperture (f-number)
1.83–1.861.83–1.86
Focus
MotorisedManual
Autofocus
YesNo
Autofocus runs
On demand—
Vertical lens shift
±60%±60%
Horizontal lens shift
±23%±23%
Motorised lens shift
NoNo
Lens memory slots
5—
Vertical keystone
30°40°
Horizontal keystone
30°40°
Auto keystone
YesYes
Corner correction
4-corner—
Grid warp
YesYes
Auto setup
Fit to screen—
Motion & gaming
Max input refresh
1080p: 240 Hz · 4K UHD: 60 Hz—
Input lag
1080p: 60 Hz 18.6 ms · 120 Hz 9.7 ms · 240 Hz 4.8 ms · 4K UHD: 60 Hz 18.1 ms1080p: 60 Hz 16.7 ms · 4K UHD: 60 Hz 16.7 ms
Gaming features
ALLM—
Inputs & control
HDMI inputs
2 × HDMI 2.1 (HDCP 2.3) · HDMI 2.1 (eARC, HDCP 2.3)HDMI 2.0 (HDCP 2.2) · HDMI 2.0 (eARC, HDCP 2.2)
Other video inputs
—HDBaseT
Max input resolution
4K UHD4K UHD
Control ports
RS-232RS-232, Wired IR, 12 V trigger
Control-system drivers
—Crestron
Horizontal scan
15–270 kHz15–135 kHz
Vertical scan
23–240 Hz23–240 Hz
Smart platform
Ethernet
YesYes
Casting
Miracast—
Audio
Speaker power
20 W10 W
Speakers
11
Layout
MonoMono
Audio formats
—Dolby Atmos
Audio outputs
3.5 mm3.5 mm, Optical, HDMI eARC
HDMI audio return
eARCDerivedeARCDerived
Physical & installation
Dimensions (W × D × H)
521 × 351 × 166 mm416 × 351 × 166 mm
Weight
10,200 g7,000 g
Ceiling mount
M4—
Dust filter
—None
Ingress protection
IP5XIP5X
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
348 WMax 520 W · Normal 440 W
Standby
Up to 0.5 WUp to 0.5 W
Networked standby
Up to 2 WUp to 2 W
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 34 dB(A) · Eco 29 dB(A)Normal 40 dB(A) · Eco 33 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
Warranty
3 yr3 yr
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20CONSUMER/UserManual/AK900ST/AK900ST_UM_EN_260915154537.pdfhttps://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LK936ST/LK936ST_UM_EN_241101130452.pdf
In the box
In the box
Power cord, Remote, Quick start guide, User manualPower cord, Remote, Remote batteries, Quick start guide, User manual, Warranty card, HDMI cable
BenQ AK900STMSRP $5,999
BenQ LK936ST$4,899 · Amazon
Buy