Epson EX3290 vs Optoma ZK420UST

Epson EX3290 is lighter and in stock.

	Epson EX3290$479.99 · Amazon Buy	Optoma ZK420UST

Key differences
White light output
White light output	4,000 lm ISO	4,200 lm ANSI
Native resolution
Native resolution	WXGA (1280 × 800)	—
Throw ratio
Throw ratio	1.44:1	0.25:1
Lowest input lag
Lowest input lag	—	4.3 msDerived
HDR formats
HDR formats	—	HDR10, HLG
Light source
Light source	Lamp	Laser (phosphor)
Fan noise
Fan noise	Normal 37 dB(A) · Eco 28 dB(A)	Max 34 dB(A) · Eco 29 dB(A)
MSRP
MSRP	$649.99	—
Best price
Best price	$479.99	—
Room fit80″100″120″150″
Distance to screen
Distance to screen	3.1 m	0.55 m
Picture
White light output
White light output	4,000 lm ISO	4,200 lm ANSI
Colour light output
Colour light output	4,000 lm	—
Brightness uniformity
Brightness uniformity	—	75%
Imaging technology
Imaging technology	3LCD	DLP
Chip / panel diagonal
Chip / panel diagonal	0.59 in	—
Native resolution
Native resolution	WXGA (1280 × 800)	—
Native aspect
Native aspect	16:10Derived	16:9Derived
Pixel shift
Pixel shift	None	XPR 4-way
Addressable resolution
Addressable resolution	—	4K UHD (3840 × 2160)
Dynamic contrast
Dynamic contrast	Up to 16,000:1	500,000:1
Gamma / EOTF presets
Gamma / EOTF presets	—	2.2, 2.4
HDR formats
HDR formats	—	HDR10, HLG
3D
3D	—	Yes
3D formats
3D formats	—	Frame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
3D glasses sync	—	DLP-Link
Light source
Light source
Light source	Lamp	Laser (phosphor)
Lamp power
Lamp power	210 W	—
Replacement lamp
Replacement lamp	ELPLP97	—
Light-source life
Light-source life	6,000 h normal · 12,000 h eco	30,000 h eco
Light output control
Light output control	—	Steps
Optics
Throw ratio
Throw ratio	1.44:1	0.25:1
Image size
Image size	33–375 in	100–150 in
Projection offset
Projection offset	—	120%
Zoom
Zoom	Digital	None
Focal length
Focal length	16.7 mm	3.7 mm
Aperture (f-number)
Aperture (f-number)	1.44	2.44
Focus
Focus	Manual	Manual
Autofocus
Autofocus	No	—
Vertical keystone
Vertical keystone	30°	—
Horizontal keystone
Horizontal keystone	30°	—
Auto keystone
Auto keystone	Yes	—
Corner correction
Corner correction	—	4-corner
Grid warp
Grid warp	—	Yes
Interchangeable lens
Interchangeable lens	—	No
Motion & gaming
Input lag
Input lag	—	1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 240 Hz 4.3 ms · 4K UHD: 60 Hz 16.9 ms
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI	2 × HDMI 2.0
Other video inputs
Other video inputs	None	HDBaseT
Max input resolution
Max input resolution	WUXGA	4K UHD
Control ports
Control ports	None	RS-232
Horizontal scan
Horizontal scan	—	15–150 kHz
Vertical scan
Vertical scan	—	24–240 Hz
Smart platform
Wi-Fi
Wi-Fi	None	—
Ethernet
Ethernet	—	Yes
Audio
Speaker power
Speaker power	2 W	15 W
Speakers
Speakers	1	1
Layout
Layout	Mono	Mono
Audio outputs
Audio outputs	—	3.5 mm, HDMI eARC
HDMI audio return
HDMI audio return	—	eARCDerived
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	302 × 234 × 77 mm	327 × 328 × 110 mm
Weight
Weight	2,500 g	4,200 g
Orientations
Orientations	Table, Ceiling, Rear	Portrait, 360°
Ceiling mount
Ceiling mount	M4, 9 mm screws	M4, 10 mm screws
Dust filter
Dust filter	Replaceable	—
Ingress protection
Ingress protection	—	IP6X
Environment & power
Operating temperature
Operating temperature	5–40°C	0–40°C
Operating humidity
Operating humidity	—	10–85%RH
Altitude
Altitude	3,048 m	3,048 m · high-altitude mode
Power draw
Power draw	349 W	Max 255 W · Eco 180 W
Standby
Standby	0.3 W	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	—	24 V
Fan noise
Fan noise	Normal 37 dB(A) · Eco 28 dB(A)	Max 34 dB(A) · Eco 29 dB(A)
Safety & support
Laser class
Laser class	—	Class 1
Risk group
Risk group	RG2	RG2
FDA laser notice
FDA laser notice	—	Notice 57
Marks
Marks	FCC	FCC
Warranty
Warranty	🇺🇸 US 1 yr (light source 3 mo) · 🇨🇦 CA 1 yr	3 yr (light source 5 yr or 12,000 h)
User manual
User manual	https://files.support.epson.com/docid/cpd6/cpd65860/EN/index.html	—
In the box
In the box
In the box	Power cord, Remote, Remote batteries, Quick start guide	Power cord, Power adapter, Remote, Remote batteries, Quick start guide
Remote
Remote	—	IR

Epson EX3290$479.99 · Amazon

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Optoma ZK420UST