Optoma EH401 vs ViewSonic PA503HD

ViewSonic PA503HD is $58.99 cheaper and lighter.

	Optoma EH401$698.99 · Amazon Buy	ViewSonic PA503HD$640 · Amazon Buy

Key differences
White light output
White light output	—	4,000 lm ANSI
Throw ratio
Throw ratio	1.5–1.66:1	1.48–1.62:1
Lowest input lag
Lowest input lag	8.4 msDerived	—
Fan noise
Fan noise	Normal 29 dB(A) · Eco 27 dB(A)	—
MSRP
MSRP	$1,049	$649.99
Best price
Best price	$698.99	$640
Room fit80″100″120″150″
Distance to screen
Distance to screen	3.3–3.7 m	3.3–3.6 m
Picture
White light output
White light output	—	4,000 lm ANSI
Claimed brightness (non-standard)
Claimed brightness (non-standard)	4,000 lm	—
Brightness uniformity
Brightness uniformity	80%	—
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)	1080p (1920 × 1080)
Native aspect
Native aspect	16:9Derived	16:9Derived
Dynamic contrast
Dynamic contrast	22,000:1	22,000:1
Colour bit depth (per channel)
Colour bit depth (per channel)	10 bit	10 bit
Colour management (CMS)
Colour management (CMS)	6-axis	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	Lamp
Lamp power
Lamp power	240 W	240 W
Light-source life
Light-source life	4,000 h max · 10,000 h eco · 15,000 h dynamic	4,000 h normal · 15,000 h dynamic
Cool-down time
Cool-down time	—	10 s
Optics
Throw ratio
Throw ratio	1.5–1.66:1	1.48–1.62:1
Image size
Image size	30–301 in	30–300 in
Projection offset
Projection offset	116%	—
Zoom
Zoom	—	Optical
Zoom ratio
Zoom ratio	—	1.09×Derived
Focal length
Focal length	15.84–17.42 mm	21.8–24 mm
Aperture (f-number)
Aperture (f-number)	—	2.5–2.67
Focus
Focus	Manual	Manual
Autofocus
Autofocus	No	No
Vertical keystone
Vertical keystone	40°	40°
Auto keystone
Auto keystone	—	Yes
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	—
Inputs & control
HDMI inputs
HDMI inputs	HDMI 2.0 (HDCP 2.2) · HDMI 1.4 (HDCP 2.2)	2 × HDMI 1.4 (HDCP 1.4)
Max input resolution
Max input resolution	4K UHD	WUXGA
Audio inputs
Audio inputs	—	3.5 mm
Control ports
Control ports	—	RS-232
Horizontal scan
Horizontal scan	15.38–91.15 kHz	15–102 kHz
Vertical scan
Vertical scan	50–85 Hz	23–120 Hz
Audio
Speaker power
Speaker power	3 W	3 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	309 × 234 × 115 mm
Weight
Weight	2,880 g	2,700 g
Orientations
Orientations	Table, Ceiling, Rear	Table, Ceiling, Rear
Environment & power
Operating temperature
Operating temperature	5–40°C	0–40°C
Operating humidity
Operating humidity	10–85%RH	10–80%RH
Altitude
Altitude	3,000 m	3,048 m · high-altitude mode
Power draw
Power draw	Max 290 W · Eco 210 W	295 W
Standby
Standby	0.5 W	Up to 0.5 W
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)	—
Safety & support
Risk group
Risk group	RG2	RG2
Marks
Marks	FCC	FCC
Warranty
Warranty	2 yr	3 yr (light source 1 yr)
User manual
User manual	https://region-resource.optoma.com/products/import/Documents/09618c8e-818f-46f7-8daa-72abca9ea8bb.pdf	https://www.viewsonicglobal.com/public/products_download/user_guide/projector/PA503HD/PA503HD_UG_ENG.pdf
In the box
In the box
In the box	Power cord, Remote, Remote batteries, User manual	Power cord, Remote, Remote batteries, Quick start guide
Remote
Remote	IR	IR

Optoma EH401$698.99 · Amazon

Buy

ViewSonic PA503HD$640 · Amazon

Buy