Optoma W405LVe vs Optoma ZK431ST

Optoma W405LVe is quieter and in stock.

	Optoma W405LVe$399 · Amazon Buy	Optoma ZK431ST

Key differences
White light output
White light output	4,200 lm ANSI	—
Native resolution
Native resolution	WXGA (1280 × 800)	—
Throw ratio
Throw ratio	1.55–1.73:1	0.5:1
Lowest input lag
Lowest input lag	—	8.6 msDerived
Light source
Light source	Lamp	Laser (phosphor)
Fan noise
Fan noise	Normal 29 dB(A) · Eco 27 dB(A)	Normal 35 dB(A) · Eco 29 dB(A)
Best price
Best price	$399	—
Room fit80″100″120″150″
Distance to screen
Distance to screen	3.3–3.7 m	1.1 m
Picture
White light output
White light output	4,200 lm ANSI	—
Claimed brightness (non-standard)
Claimed brightness (non-standard)	—	4,100 lm
Brightness uniformity
Brightness uniformity	75%	75%
Imaging technology
Imaging technology	DLP	DLP
Native resolution
Native resolution	WXGA (1280 × 800)	—
Native aspect
Native aspect	16:10Derived	16:9Derived
Addressable resolution
Addressable resolution	—	4K UHD (3840 × 2160)
Dynamic contrast
Dynamic contrast	30,000:1	2,000,000:1
Gamma / EOTF presets
Gamma / EOTF presets	—	2.2, 2.4
3D
3D	Yes	Yes
3D formats
3D formats	Frame packing, Side-by-side, Top-bottom	Frame packing, Side-by-side, Top-bottom
3D glasses sync
3D glasses sync	—	DLP-Link
Light source
Light source
Light source	Lamp	Laser (phosphor)
Lamp power
Lamp power	203 W	—
Light-source life
Light-source life	6,000 h max · 10,000 h eco · 15,000 h super eco · 12,000 h dynamic	30,000 h eco
Optics
Throw ratio
Throw ratio	1.55–1.73:1	0.5:1
Image size
Image size	30–300 in	30–300 in
Projection offset
Projection offset	112%	114%
Zoom
Zoom	—	None
Focal length
Focal length	21.85–24 mm	7.51 mm
Aperture (f-number)
Aperture (f-number)	—	2.8
Focus
Focus	Manual	Manual
Autofocus
Autofocus	No	—
Vertical keystone
Vertical keystone	40°	15°
Horizontal keystone
Horizontal keystone	—	15°
Corner correction
Corner correction	—	4-corner
Grid warp
Grid warp	—	Yes
Motion & gaming
Input lag
Input lag	—	1080p: 60 Hz 16.7 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.7 ms
Inputs & control
HDMI inputs
HDMI inputs	HDMI 1.4	2 × HDMI 2.0
Other video inputs
Other video inputs	VGA	—
Max input resolution
Max input resolution	1080p	4K UHD
Audio inputs
Audio inputs	3.5 mm	—
Control ports
Control ports	RS-232	RS-232, 12 V trigger
Horizontal scan
Horizontal scan	15.38–91.15 kHz	15–150 kHz
Vertical scan
Vertical scan	50–85 Hz	24–240 Hz
Smart platform
Ethernet
Ethernet	—	Yes
Audio
Speaker power
Speaker power	10 W	15 W
Speakers
Speakers	1	1
Layout
Layout	Mono	—
Audio outputs
Audio outputs	—	3.5 mm
HDMI audio return
HDMI audio return	—	NoneDerived
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	316 × 244 × 108 mm	274 × 216 × 109 mm
Weight
Weight	3,040 g	2,900 g
Orientations
Orientations	Table, Ceiling, Rear	360°
Ceiling mount
Ceiling mount	—	M4, screws ≥ 10 mm
Environment & power
Operating temperature
Operating temperature	5–40°C	0–40°C
Operating humidity
Operating humidity	10–85%RH	—
Altitude
Altitude	3,000 m	3,048 m
Power draw
Power draw	Max 225 W · Eco 187 W	Max 178 W · Eco 125 W
Standby
Standby	0.5 W	Up to 0.5 W
Power supply
Power supply	—	External adapter
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
DC input
DC input	—	19.5 V
Fan noise
Fan noise	Normal 29 dB(A) · Eco 27 dB(A)	Normal 35 dB(A) · Eco 29 dB(A)
Safety & support
Laser class
Laser class	—	Class 1
Risk group
Risk group	—	RG2
Hazard distance
Hazard distance	—	1 m
FDA laser notice
FDA laser notice	—	Notice 57
Marks
Marks	—	FCC
Warranty
Warranty	—	5 yr
User manual
User manual	https://region-resource.optoma.com/products/import/Documents/56ac35cf-7cb4-46f0-acc0-75c846804ea2.pdf	—
In the box
In the box
In the box	Power cord, Remote, Remote batteries, Quick start guide	Power cord, Remote, Remote batteries, Quick start guide

Optoma W405LVe$399 · Amazon

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Optoma ZK431ST