Epson PowerLite 800F vs ViewSonic LS831WU

Epson PowerLite 800F is lighter and in stock. ViewSonic LS831WU is sharper.

	Epson PowerLite 800F$2,466.60 · Amazon Buy	ViewSonic LS831WUMSRP $2,500

Key differences
White light output
White light output	5,000 lm ISO	4,500 lm ANSI
Native resolution
Native resolution	1366 × 768	WUXGA (1920 × 1200)
Throw ratio
Throw ratio	0.27–0.37:1	0.25:1
Fan noise
Fan noise	Normal 36 dB(A) · Eco 27 dB(A)	—
MSRP
MSRP	$2,986	$2,500
Best price
Best price	$2,466.60	—
Room fit80″100″120″150″
Distance to screen
Distance to screen	0.60–0.82 m	0.54 m
Picture
White light output
White light output	5,000 lm ISO	4,500 lm ANSI
Colour light output
Colour light output	5,000 lm	—
Brightness by mode
Brightness by mode	Normal 5,000 lm · Eco 3,500 lm	—
Eco brightness
Eco brightness	70%Derived	—
Imaging technology
Imaging technology	3LCD	DLP
Chip / panel diagonal
Chip / panel diagonal	0.62 in	—
Native resolution
Native resolution	1366 × 768	WUXGA (1920 × 1200)
Native aspect
Native aspect	16:9Derived	16:10Derived
Pixel shift
Pixel shift	Yes (scheme not stated)	—
Addressable resolution
Addressable resolution	1080p (1920 × 1080)	—
Dynamic contrast
Dynamic contrast	Over 2,500,000:1	3,000,000:1
Colour bit depth (per channel)
Colour bit depth (per channel)	10 bit	—
Picture mode memories
Picture mode memories	—	2
3D
3D	—	Yes
3D formats
3D formats	—	Frame packing, Side-by-side, Top-bottom, Frame sequential
Light source
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Emitter
Emitter	Blue laser + phosphor	Blue laser + phosphor
Light-source life
Light-source life	20,000 h normal · 30,000 h eco	20,000 h
Life defined as
Life defined as	50% brightness	—
Optics
Throw ratio
Throw ratio	0.27–0.37:1	0.25:1
Image size
Image size	65–130 in	70–200 in
Zoom
Zoom	Digital	None
Focal length
Focal length	3.9 mm	—
Aperture (f-number)
Aperture (f-number)	1.5	—
Focus
Focus	Manual	Manual
Vertical lens shift
Vertical lens shift	—	None
Horizontal lens shift
Horizontal lens shift	—	None
Vertical keystone
Vertical keystone	3°	5°
Horizontal keystone
Horizontal keystone	3°	5°
Corner correction
Corner correction	—	4-corner
Interchangeable lens
Interchangeable lens	—	No
Inputs & control
HDMI inputs
HDMI inputs	3 × HDMI 2.0 (HDCP 2.3)	2 × HDMI 2.0 (HDCP 2.2)
Other video inputs
Other video inputs	VGA, Composite, HDBaseT	VGA, Composite, HDBaseT
Max input resolution
Max input resolution	DCI 4K	4K UHD
Audio inputs
Audio inputs	3.5 mm	3.5 mm, RCA
USB media playback
USB media playback	Yes	—
Control ports
Control ports	RS-232	RS-232, 12 V trigger
PJLink
PJLink	Class 2	—
Control-system drivers
Control-system drivers	Control4, Crestron, AMX	Crestron, AMX
Horizontal scan
Horizontal scan	—	15–102 kHz
Vertical scan
Vertical scan	—	23–120 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Casting
Casting	Miracast	—
Audio
Speaker power
Speaker power	16 W	20 W
Speakers
Speakers	2	2
Layout
Layout	Stereo	Stereo
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)	460 × 450 × 229 mm	492 × 387 × 157 mm
Weight
Weight	9,390 g	9,900 g
Colours
Colours	Black, White	—
Orientations
Orientations	Table, Ceiling, Rear	Table, Ceiling, Rear
Ceiling mount
Ceiling mount	—	M4, 12.8–15.8 mm screws
Dust filter
Dust filter	Replaceable	—
Environment & power
Operating temperature
Operating temperature	0–45°C	0–40°C
Operating humidity
Operating humidity	20–80%RH	10–90%RH
Altitude
Altitude	3,048 m · high-altitude mode	3,000 m · high-altitude mode
Power draw
Power draw	Normal 381 W · Eco 270 W	504 W
Standby
Standby	0.5 W	Up to 0.5 W
Networked standby
Networked standby	2 W	—
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Normal 36 dB(A) · Eco 27 dB(A)	—
Safety & support
Laser class
Laser class	Class 1	Class 1
Risk group
Risk group	RG2	—
FDA laser notice
FDA laser notice	Notice 57	—
Marks
Marks	FCC, UL	FCC
Warranty
Warranty	3 yr or 20,000 h	3 yr
User manual
User manual	https://files.support.epson.com/docid/cpd5/cpd59311.pdf	https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS831WU/LS831WU_UG_ENG.pdf
Spare parts
Spare parts	Air filter ELPAF56 · Mount ELPMB62	—
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

Epson PowerLite 800F$2,466.60 · Amazon

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ViewSonic LS831WUMSRP $2,500