ProjectorDB

BenQ LK936ST vs Panasonic PT-RZ660

BenQ LK936ST is lighter. Panasonic PT-RZ660 is $606.66 cheaper, brighter and quieter.

BenQ LK936ST$4,899 · Amazon
Buy
Panasonic PT-RZ660$4,292.34 · Amazon
Buy
Key differences
White light outputANSI
5,100 lm ANSI6,000 lm ISO (Normal power) · 6,000 lm ANSI
Native resolution
—WUXGA (1920 × 1200)
Throw ratio
0.81–0.89:11.7–2.4:1
Lowest input lag
16.7 msDerived—
HDR formats
HDR10, HLG—
Fan noise
Normal 40 dB(A) · Eco 33 dB(A)35 dB(A)
MSRP
—$14,549
Best price
$4,899$4,292.34
Room fit
Distance to screen
1.8–2.0 m3.7–5.2 m
Picture
White light outputANSI
5,100 lm ANSI6,000 lm ISO (Normal power) · 6,000 lm ANSI
Imaging technology
DLPDLP
Chip / panel diagonal
—0.67 in
Native resolution
—WUXGA (1920 × 1200)
Native aspect
16:9Derived16:10Derived
Pixel shift
—None
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
3,000,000:110,000:1
Dynamic contrast method
—Light-source dimming
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
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 h20,000 h normal · 24,000 h eco
Life defined as
—50% brightness
Constant brightness mode
—Yes
Warm-up time
30 s—
Cool-down time
90 s—
Optics
Throw ratio
0.81–0.89:11.7–2.4:1
Image size
30–300 in50–600 in
Zoom
OpticalOptical
Zoom ratio
1.1×Derived1.41×Derived
Focal length
8.6–9.4 mm25.6–35.7 mm
Aperture (f-number)
1.83–1.861.7–1.9
Focus
ManualMotorised
Autofocus
No—
Vertical lens shift
±60%-16–50%
Horizontal lens shift
±23%-30–10%
Motorised lens shift
No—
Vertical keystone
40°40°
Horizontal keystone
40°15°
Auto keystone
Yes—
Corner correction
—4-corner
Grid warp
Yes—
Interchangeable lens
—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)HDMI
Other video inputs
HDBaseTVGA, HDBaseT, SDI
Max input resolution
4K UHDWUXGA
Control ports
RS-232, Wired IR, 12 V triggerRS-232
PJLink
—Class 1
Control-system drivers
CrestronCrestron
Horizontal scan
15–135 kHz—
Vertical scan
23–240 Hz—
Smart platform
Ethernet
YesYes
Audio
Speaker power
10 W—
Speakers
10
Layout
Mono—
Audio formats
Dolby Atmos—
Audio outputs
3.5 mm, Optical, HDMI eARC—
HDMI audio return
eARCDerived—
Physical & installation
Dimensions (W × D × H)
416 × 351 × 166 mm498 × 581 × 200 mm
Weight
7,000 g23,100 g
Colours
—Black, White
Orientations
—Table, Ceiling, Rear, Portrait, 360°
Ceiling mount
—5 × M6, 12 mm screws
Dust filter
None—
Ingress protection
IP5X—
Sealed optical engine
YesYes
Environment & power
Operating temperature
0–40°C0–45°C
Operating humidity
10–90%RH10–80%RH
Altitude
3,000 m · high-altitude mode4,200 m
Power draw
Max 520 W · Normal 440 WMax 700 W
Standby
Up to 0.5 W0.3 W
Networked standby
Up to 2 W3 W
Power supply
—Built in
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 40 dB(A) · Eco 33 dB(A)35 dB(A)
Safety & support
Laser class
Class 1Class 1 (US: Class 3R)
Risk group
RG2RG2
Marks
—FCC
Warranty
3 yr3 yr
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LK936ST/LK936ST_UM_EN_241101130452.pdfhttps://eu.connect.panasonic.com/sites/default/files/media/document/2025-08/rz770_rz660_manual_en.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, Lens cap, Software CD
BenQ LK936ST$4,899 · Amazon
Buy
Panasonic PT-RZ660$4,292.34 · Amazon
Buy