Optoma ZK430ST vs Panasonic PT-LW376

Optoma ZK430ST is in stock. Panasonic PT-LW376 is lighter.

	Optoma ZK430ST$2,098.30 · Amazon Buy	Panasonic PT-LW376

Key differences
White light output
White light output	—	3,600 lm ISO (Normal power, Dynamic mode) · 3,600 lm ANSI (Normal power, Dynamic mode)
Native resolution
Native resolution	—	WXGA (1280 × 800)
Throw ratio
Throw ratio	0.5:1	1.48–1.78:1
Lowest input lag
Lowest input lag	4.4 msDerived	—
HDR formats
HDR formats	HDR10, HLG	—
Light source
Light source	Laser (phosphor)	Lamp
Fan noise
Fan noise	Max 35 dB(A)	Normal 38 dB(A) · Eco 35 dB(A)
MSRP
MSRP	$5,199	—
Best price
Best price	$2,098.30	—
Room fit80″100″120″150″
Distance to screen
Distance to screen	1.1 m	3.2–3.8 m
Picture
White light output
White light output	—	3,600 lm ISO (Normal power, Dynamic mode) · 3,600 lm ANSI (Normal power, Dynamic mode)
Claimed brightness (non-standard)
Claimed brightness (non-standard)	3,700 lm	—
Brightness uniformity
Brightness uniformity	75%	85%
Imaging technology
Imaging technology	DLP	3LCD
Chip / panel diagonal
Chip / panel diagonal	0.65 in	0.59 in
Native resolution
Native resolution	—	WXGA (1280 × 800)
Native aspect
Native aspect	16:9Derived	16:10Derived
Addressable resolution
Addressable resolution	4K UHD (3840 × 2160)	—
Dynamic contrast
Dynamic contrast	300,000:1	20,000:1
Dynamic contrast method
Dynamic contrast method	—	Dynamic iris
Gamma / EOTF presets
Gamma / EOTF presets	2.2, 2.4	—
HDR formats
HDR formats	HDR10, HLG	—
Colour management (CMS)
Colour management (CMS)	6-axis	—
3D
3D	Yes	—
3D formats
3D formats	Frame sequential	—
3D glasses sync
3D glasses sync	DLP-Link	—
Light source
Light source
Light source	Laser (phosphor)	Lamp
Lamp power
Lamp power	—	230 W
Replacement lamp
Replacement lamp	—	ET-LAL510
Light-source life
Light-source life	30,000 h	10,000 h normal · 20,000 h eco
Light output control
Light output control	Steps	—
Optics
Throw ratio
Throw ratio	0.5:1	1.48–1.78:1
Image size
Image size	36–300 in	30–300 in
Projection offset
Projection offset	116%	—
Zoom
Zoom	None	Optical
Zoom ratio
Zoom ratio	—	1.2×Derived
Focal length
Focal length	7.51 mm	19.16–23.02 mm
Aperture (f-number)
Aperture (f-number)	2.8	1.6–1.76
Focus
Focus	Manual	Manual
Vertical keystone
Vertical keystone	15°	35°
Horizontal keystone
Horizontal keystone	15°	35°
Auto keystone
Auto keystone	—	Yes
Corner correction
Corner correction	4-corner	—
Grid warp
Grid warp	Yes	—
Motion & gaming
Max input refresh
Max input refresh	1080p: 240 Hz	—
Input lag
Input lag	1080p: 240 Hz 4.4 ms	—
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI 2.0	2 × HDMI (HDCP 1.4)
Other video inputs
Other video inputs	—	VGA, Component, Composite
Max input resolution
Max input resolution	DCI 4K	—
Audio inputs
Audio inputs	—	3.5 mm, RCA
USB media playback
USB media playback	—	Yes
Control ports
Control ports	RS-232	RS-232
PJLink
PJLink	—	Class 2
Control-system drivers
Control-system drivers	AMX	—
Horizontal scan
Horizontal scan	15–140 kHz	—
Vertical scan
Vertical scan	24–240 Hz	—
Smart platform
Ethernet
Ethernet	Yes	Yes
Audio
Speaker power
Speaker power	15 W	10 W
Speakers
Speakers	1	1
Layout
Layout	—	Mono
Audio outputs
Audio outputs	3.5 mm	3.5 mm
HDMI audio return
HDMI audio return	NoneDerived	NoneDerived
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	274 × 216 × 114 mm	335 × 252 × 96 mm
Weight
Weight	3,200 g	2,900 g
Colours
Colours	White	White
Orientations
Orientations	Portrait, 360°	Table, Ceiling, Rear
Ceiling mount
Ceiling mount	M4, screws ≥ 10 mm	—
Dust filter
Dust filter	—	Replaceable
Ingress protection
Ingress protection	IP6X	—
Environment & power
Operating temperature
Operating temperature	0–40°C	5–40°C
Operating humidity
Operating humidity	—	20–80%RH
Altitude
Altitude	762 m	2,700 m
Power draw
Power draw	Max 185 W · Eco 126 W	Max 300 W
Standby
Standby	Up to 0.5 W	0.5 W
Networked standby
Networked standby	Up to 2 W	1 W
Power supply
Power supply	External adapter	—
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Max 35 dB(A)	Normal 38 dB(A) · Eco 35 dB(A)
Safety & support
Laser class
Laser class	Class 1	—
Risk group
Risk group	RG2	—
FDA laser notice
FDA laser notice	Notice 57	—
Marks
Marks	FCC	—
Warranty
Warranty	1 yr (light source 5 yr or 12,000 h)	—
User manual
User manual	https://region-resource.optoma.com/products/import/Documents/cbd58627-8cc5-43de-9633-fa24cd20bd45.pdf	https://eu.connect.panasonic.com/sites/default/files/media/document/2024-04/lb426_manual_en_0.pdf
Spare parts
Spare parts	—	Lamp ET-LAL510 · Air filter ET-RFL300
In the box
In the box
In the box	Power cord, Remote, Remote batteries, User manual	—
Remote
Remote	IR	—

Optoma ZK430ST$2,098.30 · Amazon

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Panasonic PT-LW376