ProjectorDB

BenQ AK800ST vs BenQ LK936ST

BenQ AK800ST is $900 cheaper, better for gaming and quieter. BenQ LK936ST is in stock.

BenQ AK800STMSRP $3,999
BenQ LK936ST$4,899 · Amazon
Buy
Key differences
White light outputANSI
5,000 lm ANSI5,100 lm ANSI
Throw ratio
0.69–0.83:10.81–0.89:1
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
$3,999—
Best price
—$4,899
Room fit
Distance to screen
1.5–1.8 m1.8–2.0 m
Picture
White light outputANSI
5,000 lm ANSI5,100 lm ANSI
Imaging technology
DLPDLP
Chip / panel diagonal
0.65 in—
Native aspect
16:9Derived16:9Derived
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, 2.6
HDR formats
HDR10, HLGHDR10, HLG
Colour management (CMS)
6-axis6-axis
Greyscale control points
11—
3D
—Yes
3D formats
—Frame sequential
3D glasses sync
—DLP-Link
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
Blue 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
—90 s
Optics
Throw ratio
0.69–0.83:10.81–0.89:1
Throw measured from
Lens—
Image size
60–300 in30–300 in
Projection offset
103%—
Zoom
OpticalOptical
Zoom ratio
1.2×Derived1.1×Derived
Focal length
10.31–12.32 mm8.6–9.4 mm
Aperture (f-number)
2.49–2.71.83–1.86
Focus
MotorisedManual
Autofocus
YesNo
Autofocus runs
On demand—
Vertical lens shift
—±60%
Horizontal lens shift
—±23%
Motorised lens shift
—No
Vertical keystone
30°40°
Horizontal keystone
30°40°
Auto keystone
—Yes
Corner correction
4-corner—
Grid warp
YesYes
Auto setup
Fit to screen—
Motion & gaming
Frame interpolation (MEMC)
Yes—
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
USB media playback
Yes—
Control ports
RS-232RS-232, Wired IR, 12 V trigger
Control-system drivers
—Crestron
Horizontal scan
15–135 kHz15–135 kHz
Vertical scan
23–240 Hz23–240 Hz
Smart platform
Ethernet
YesYes
Security updates until
31 Aug 2029—
Casting
Chromecast built-in, Miracast—
Audio
Speaker power
10 W10 W
Speakers
11
Layout
—Mono
Audio formats
—Dolby Atmos
Audio outputs
3.5 mm, HDMI eARC3.5 mm, Optical, HDMI eARC
HDMI audio return
eARCDerivedeARCDerived
Physical & installation
Dimensions (W × D × H)
388 × 302 × 140 mm416 × 351 × 166 mm
Weight
5,900 g7,000 g
Orientations
Table, Ceiling, Rear—
Ceiling mount
M4—
Dust filter
NoneNone
Ingress protection
IP5X (light engine)IP5X
Sealed optical engine
YesYes
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 327 W · Normal 285 W · Eco 223 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/AK800ST/AK800ST_UM_EN_261009133619.pdfhttps://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LK936ST/LK936ST_UM_EN_241101130452.pdf
Spare parts
Mount CM00G3—
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, Warranty cardPower cord, Remote, Remote batteries, Quick start guide, User manual, Warranty card, HDMI cable
Remote
IR—
BenQ AK800STMSRP $3,999
BenQ LK936ST$4,899 · Amazon
Buy