Optoma HD146X vs ViewSonic PX703HD

Optoma HD146X is $96 cheaper and in stock. ViewSonic PX703HD is lighter.

	Optoma HD146X$599 · Amazon Buy	ViewSonic PX703HDMSRP $695

Key differences
White light outputANSI
White light outputANSI	3,600 lm ANSI	3,500 lm ANSI
Throw ratio
Throw ratio	1.47–1.62:1	1.13–1.47:1
Lowest input lag
Lowest input lag	16 msDerived	—
Fan noise
Fan noise	Normal 28 dB(A) · Eco 26 dB(A)	—
MSRP
MSRP	—	$695
Best price
Best price	$599	—
Room fit80″100″120″150″
Distance to screen
Distance to screen	3.3–3.6 m	2.5–3.3 m
Picture
White light outputANSI
White light outputANSI	3,600 lm ANSI	3,500 lm ANSI
Brightness uniformity
Brightness uniformity	80%	—
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.47 in	—
Native resolution
Native resolution	1080p (1920 × 1080)	1080p (1920 × 1080)
Native aspect
Native aspect	16:9Derived	16:9Derived
Colour wheel segments
Colour wheel segments	6	—
Dynamic contrast
Dynamic contrast	25,000:1	—
Dynamic contrast method
Dynamic contrast method	Light-source dimming	—
Colour bit depth (per channel)
Colour bit depth (per channel)	10 bit	10 bit
Gamma / EOTF presets
Gamma / EOTF presets	2.2, 2.4	—
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	—
Light source
Light source
Light source	Lamp	Lamp
Lamp power
Lamp power	240 W	203 W
Light-source life
Light-source life	4,000 h max · 10,000 h eco · 15,000 h dynamic	5,000 h normal · 20,000 h dynamic
Optics
Throw ratio
Throw ratio	1.47–1.62:1	1.13–1.47:1
Image size
Image size	28–301 in	30–300 in
Projection offset
Projection offset	116%	—
Zoom
Zoom	Optical	Optical
Zoom ratio
Zoom ratio	1.1×Derived	1.3×Derived
Focal length
Focal length	15.59–17.14 mm	—
Aperture (f-number)
Aperture (f-number)	2.1–2.31	—
Focus
Focus	Manual	—
Autofocus
Autofocus	No	—
Vertical keystone
Vertical keystone	40°	40°
Motion & gaming
Input lag
Input lag	1080p: 60 Hz 16 ms	—
Inputs & control
HDMI inputs
HDMI inputs	HDMI 1.4	2 × HDMI 1.4
Other video inputs
Other video inputs	—	VGA
Max input resolution
Max input resolution	WUXGA	1080p
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	24–85 Hz	23–120 Hz
Audio
Speaker power
Speaker power	3 W	10 W
Speakers
Speakers	1	1
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 × 109 mm	312 × 222 × 108 mm
Weight
Weight	2,800 g	2,600 g
Colours
Colours	—	White
Orientations
Orientations	Table, Ceiling, Rear	Table, Ceiling, Rear
Ceiling mount
Ceiling mount	M4	M4, screws ≤ 8 mm
Environment & power
Operating temperature
Operating temperature	5–40°C	0–40°C
Operating humidity
Operating humidity	10–85%RH	0–90%RH
Altitude
Altitude	3,000 m · high-altitude mode	3,000 m
Power draw
Power draw	Max 325 W · Normal 295 W · Eco 215 W	300 W
Standby
Standby	0.5 W	Up to 0.5 W
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V
Fan noise
Fan noise	Normal 28 dB(A) · Eco 26 dB(A)	—
Safety & support
Risk group
Risk group	RG2	—
Marks
Marks	CE, FCC	—
Warranty
Warranty	1 yr (light source 3 mo)	3 yr (light source 1 yr)
User manual
User manual	—	https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/PX703HD/PX703HD_PX703HDH_UG_ENG.pdf
In the box
In the box
In the box	Power cord, Remote, Remote batteries, Quick start guide	Power cord, Remote, Quick start guide, VGA cable
Remote
Remote	IR	—

Optoma HD146X$599 · Amazon

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ViewSonic PX703HDMSRP $695