Optoma EH401 vs Optoma ZW350ST

Optoma EH401 is $116 cheaper, sharper and better for gaming.

	Optoma EH401$698.99 · Amazon Buy	Optoma ZW350ST$814.99 · Amazon Buy

Key differences
Native resolution
Native resolution	1080p (1920 × 1080)	WXGA (1280 × 800)
Throw ratio
Throw ratio	1.5–1.66:1	0.52:1
Lowest input lag
Lowest input lag	8.4 msDerived	17 msDerived
Light source
Light source	Lamp	Laser (phosphor)
Fan noise
Fan noise	Normal 29 dB(A) · Eco 27 dB(A)	Normal 34 dB(A) · Eco 27 dB(A)
MSRP
MSRP	$1,049	$999
Best price
Best price	$698.99	$814.99
Room fit80″100″120″150″
Distance to screen
Distance to screen	3.3–3.7 m	1.1 m
Picture
Claimed brightness (non-standard)
Claimed brightness (non-standard)	4,000 lm	3,600 lm
Brightness uniformity
Brightness uniformity	80%	75%
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.47 in	0.65 in
Native resolution
Native resolution	1080p (1920 × 1080)	WXGA (1280 × 800)
Native aspect
Native aspect	16:9Derived	16:10Derived
Dynamic contrast
Dynamic contrast	22,000:1	2,000,000:1
Colour bit depth (per channel)
Colour bit depth (per channel)	10 bit	10 bit
Colour management (CMS)
Colour management (CMS)	6-axis	—
Picture certifications
Picture certifications	ISF	—
3D
3D	Yes	Yes
3D formats
3D formats	Frame packing, Side-by-side, Top-bottom	Frame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
3D glasses sync	DLP-Link	DLP-Link
Light source
Light source
Light source	Lamp	Laser (phosphor)
Lamp power
Lamp power	240 W	—
Light-source life
Light-source life	4,000 h max · 10,000 h eco · 15,000 h dynamic	30,000 h
Light output control
Light output control	—	Steps
Cool-down time
Cool-down time	—	90 s
Optics
Throw ratio
Throw ratio	1.5–1.66:1	0.52:1
Image size
Image size	30–301 in	30–300 in
Projection offset
Projection offset	116%	115%
Zoom
Zoom	—	None
Focal length
Focal length	15.84–17.42 mm	7.51 mm
Aperture (f-number)
Aperture (f-number)	—	2.8
Focus
Focus	Manual	Manual
Autofocus
Autofocus	No	No
Vertical keystone
Vertical keystone	40°	15°
Motion & gaming
Max input refresh
Max input refresh	1080p: 120 Hz	—
Input lag
Input lag	1080p: 60 Hz 16 ms · 120 Hz 8.4 ms	1080p: 60 Hz 17 ms
Inputs & control
HDMI inputs
HDMI inputs	HDMI 2.0 (HDCP 2.2) · HDMI 1.4 (HDCP 2.2)	2 × HDMI 1.4
Max input resolution
Max input resolution	4K UHD	—
Control ports
Control ports	—	RS-232
Control-system drivers
Control-system drivers	—	Crestron
Horizontal scan
Horizontal scan	15.38–91.15 kHz	15–140 kHz
Vertical scan
Vertical scan	50–85 Hz	24–120 Hz
Smart platform
Ethernet
Ethernet	—	Yes
Audio
Speaker power
Speaker power	3 W	15 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)	316 × 244 × 108 mm	274 × 216 × 114 mm
Weight
Weight	2,880 g	3,000 g
Colours
Colours	—	White
Orientations
Orientations	Table, Ceiling, Rear	Table, Ceiling, Rear, 360°
Ingress protection
Ingress protection	—	IP6X
Sealed optical engine
Sealed optical engine	—	Yes
Environment & power
Operating temperature
Operating temperature	5–40°C	0–40°C
Operating humidity
Operating humidity	10–85%RH	—
Altitude
Altitude	3,000 m	2,500 m · high-altitude mode
Power draw
Power draw	Max 290 W · Eco 210 W	Max 139 W · Normal 140 W · Eco 100 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
Fan noise
Fan noise	Normal 29 dB(A) · Eco 27 dB(A)	Normal 34 dB(A) · Eco 27 dB(A)
Safety & support
Laser class
Laser class	—	Class 1
Risk group
Risk group	RG2	RG2
Marks
Marks	FCC	FCC
Warranty
Warranty	2 yr	1 yr (light source 5 yr or 12,000 h)
User manual
User manual	https://region-resource.optoma.com/products/import/Documents/09618c8e-818f-46f7-8daa-72abca9ea8bb.pdf	https://region-resource.optoma.com/products/import/Documents/02387d20-4b12-4d04-97e4-be316b803cf2.pdf
In the box
In the box
In the box	Power cord, Remote, Remote batteries, User manual	Power cord, Remote, Remote batteries, User manual
Remote
Remote	IR	IR

Optoma EH401$698.99 · Amazon

Buy

Optoma ZW350ST$814.99 · Amazon

Buy