Epson PowerLite E20 vs ViewSonic PS700W

	Epson PowerLite E20 $469	ViewSonic PS700W MSRP $1,256
Key differences
White light output	3,400 lm ISO (Max power)	3,300 lm ANSI
Native resolution	1024 × 768	WXGA (1280 × 800)
Throw ratio	1.44:1	0.23:1
Fan noise	Normal 37 dB(A) · Eco 28 dB(A)	—
Price	$469	MSRP $1,256
Room fit80″100″120″150″
Distance to screen	2.9 m	0.50 m
Brightness
Rated brightness	3,400 lmDerived	3,300 lmDerived
White light output	3,400 lm ISO (Max power)	3,300 lm ANSI
Colour light output	3,400 lm (Normal power)	—
Brightness by mode	Max 3,400 lm · Eco 2,200 lm	—
Eco brightness	65%Derived	—
Display system
Imaging technology	3LCD	DLP
Chip / panel diagonal	0.55 in	0.65 in
On-screen resolution	1024 × 768Derived	WXGA (1280 × 800)Derived
Native resolution	1024 × 768	WXGA (1280 × 800)
Native aspect	4:3Derived	16:10Derived
Colour wheel segments	—	6
Contrast
Dynamic contrast	15,000:1	—
Colour
Colour bit depth (per channel)	10 bitDerived	10 bit
3D
3D	—	Yes
Light source
Light source	Lamp	Lamp
Lamp power	210 W	240 W
Replacement lamp	—	RLC-107
Light-source life	6,000 h normal · 12,000 h eco	3,000 h normal · 7,500 h dynamic
Cool-down time	0 s	—
Optics
Throw ratio	1.44:1	0.23:1
Image size	30–350 in	87–120 in
Zoom	Digital	None
Focal length	16.7 mm	—
Aperture (f-number)	1.44	—
Focus	Manual	Manual
Autofocus	No	—
Vertical lens shift	—	None
Horizontal lens shift	—	None
Vertical keystone	30°	30°
Horizontal keystone	30°	30°
Auto keystone	No	—
Corner correction	4-corner	4-corner
Interchangeable lens	—	No
Inputs & control
HDMI inputs	HDMI	HDMI 1.4 (HDCP 1.4) · HDMI
HDMI inputs (count)	1Derived	2Derived
Newest HDMI version	—	HDMI 1.4Derived
Other video inputs	VGA	VGA, + Component, + Composite
Max input resolution	—	1080p
Audio inputs	3.5 mm, RCA	3.5 mm, RCA
USB media playback	No	—
Control ports	RS-232	RS-232
Control-system drivers	—	Crestron, AMX
Horizontal scan	—	15–102 kHz
Vertical scan	—	23–120 Hz
Smart platform
Wi-Fi	None	—
Ethernet	No	Yes
Audio
Speaker power	5 W	20 W
Speakers	1	2
Layout	Mono	—
Audio outputs	3.5 mm	3.5 mm
HDMI audio return	NoneDerived	NoneDerived
Physical & installation
Dimensions (W × D × H)	302 × 249 × 92 mm	434 × 388 × 153 mm
Weight	2,700 g	6,100 g
Colours	White	—
Orientations	Table, Ceiling, + Rear	Table, Ceiling
Ceiling mount	M4, 9 mm screws	—
Dust filter	Replaceable	—
Environment & power
Operating temperature	5–40°C	0–40°C
Operating humidity	20–80%RH	0–90%RH
Altitude	3,048 m · high-altitude mode	3,000 m · high-altitude mode
Power draw	Normal 345 W · Eco 235 W	410 W
Standby	0.3 W	Up to 0.5 W
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Noise
Fan noise	Normal 37 dB(A) · Eco 28 dB(A)	—
Safety & compliance
Marks	FCC, + UL	FCC
Support & ownership
Warranty	🇺🇸 US 2 yr (light source 3 mo) · 🇨🇦 CA 2 yr · 🇪🇺 EU 3 yr	3 yr (light source 1 yr)
User manual	https://files.support.epson.com/docid/cpd5/cpd59679.pdf	https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/PS700W_PS700X_PS750W_PS750X_PS750HD/PS700W_PS700X_PS750W_PS750X_PS750HD_UG_ENG.pdf
Spare parts	—	Lamp RLC-107
In the box
In the box	Power cord, Remote, + Remote batteries, Quick start guide, + Warranty card, + HDMI cable, + Software CD	Power cord, Remote, Quick start guide, + VGA cable