NEC NP-UM351W vs ViewSonic PS700W

NEC NP-UM351W is $906.90 cheaper and lighter.

	NEC NP-UM351W$349.10 · Amazon · Used Buy	ViewSonic PS700WMSRP $1,256

Key differences
White light output
White light output	3,500 lm ISO	3,300 lm ANSI
Throw ratio
Throw ratio	0.36:1	0.23:1
Fan noise
Fan noise	Max 37 dB(A) · Normal 29 dB(A) · Eco 28 dB(A)	—
MSRP
MSRP	—	$1,256
Best price
Best price	$349.10	—
Room fit80″100″120″150″
Distance to screen
Distance to screen	0.78 m	0.50 m
Picture
White light output
White light output	3,500 lm ISO	3,300 lm ANSI
Imaging technology
Imaging technology	3LCD	DLP
Chip / panel diagonal
Chip / panel diagonal	0.59 in	0.65 in
Native resolution
Native resolution	WXGA (1280 × 800)	WXGA (1280 × 800)
Native aspect
Native aspect	16:10Derived	16:10Derived
Colour wheel segments
Colour wheel segments	—	6
Dynamic contrast
Dynamic contrast	4,000:1	—
Dynamic contrast method
Dynamic contrast method	Dynamic iris	—
Colour bit depth (per channel)
Colour bit depth (per channel)	10 bit	10 bit
Picture mode memories
Picture mode memories	7	—
3D
3D	—	Yes
Light source
Light source
Light source	Lamp	Lamp
Lamp power
Lamp power	255 W	240 W
Replacement lamp
Replacement lamp	—	RLC-107
Light-source life
Light-source life	3,800 h max · 5,000 h normal · 6,000 h eco	3,000 h normal · 7,500 h dynamic
Warm-up time
Warm-up time	6 s	—
Cool-down time
Cool-down time	0 s	—
Optics
Throw ratio
Throw ratio	0.36:1	0.23:1
Throw measured from
Throw measured from	Front of the case	—
Image size
Image size	58–110 in	87–120 in
Projection offset
Projection offset	81%	—
Zoom
Zoom	Digital	None
Focal length
Focal length	4.78 mm	—
Aperture (f-number)
Aperture (f-number)	1.8	—
Focus
Focus	Manual	Manual
Autofocus
Autofocus	No	—
Vertical lens shift
Vertical lens shift	—	None
Horizontal lens shift
Horizontal lens shift	—	None
Vertical keystone
Vertical keystone	10°	30°
Horizontal keystone
Horizontal keystone	10°	30°
Corner correction
Corner correction	4-corner	4-corner
Interchangeable lens
Interchangeable lens	No	No
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI	HDMI 1.4 (HDCP 1.4) · HDMI
Other video inputs
Other video inputs	VGA	VGA, Component, Composite
Max input resolution
Max input resolution	WUXGA	1080p
Audio inputs
Audio inputs	3.5 mm, RCA, Microphone	3.5 mm, RCA
USB media playback
USB media playback	Yes	—
Control ports
Control ports	RS-232	RS-232
PJLink
PJLink	Class 1	—
Control-system drivers
Control-system drivers	Crestron	Crestron, AMX
Horizontal scan
Horizontal scan	15–100 kHz	15–102 kHz
Vertical scan
Vertical scan	50–120 Hz	23–120 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Audio
Speaker power
Speaker power	20 W	20 W
Speakers
Speakers	1	2
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)	378 × 428 × 112 mm	434 × 388 × 153 mm
Weight
Weight	5,600 g	6,100 g
Orientations
Orientations	Table, Ceiling, Rear	Table, Ceiling
Environment & power
Operating temperature
Operating temperature	5–40°C	0–40°C
Operating humidity
Operating humidity	20–80%RH	0–90%RH
Altitude
Altitude	2,600 m · high-altitude mode	3,000 m · high-altitude mode
Power draw
Power draw	Max 337 W · Normal 257 W · Eco 214 W	410 W
Standby
Standby	0.39 W	Up to 0.5 W
Networked standby
Networked standby	2.4 W	—
Power supply
Power supply	Built in	—
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Max 37 dB(A) · Normal 29 dB(A) · Eco 28 dB(A)	—
Safety & support
Marks
Marks	FCC, UL	FCC
Warranty
Warranty	3 yr (light source 6 mo or 1,000 h)	3 yr (light source 1 yr)
User manual
User manual	https://sharp-displays.jp.sharp/support/webdl/dl_service/data/manual/en/um351w/UM351W_manual_ENG_v3.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
Spare parts	—	Lamp RLC-107
In the box
In the box
In the box	Power cord, Remote, Quick start guide, User manual, VGA cable, Stand or mount	Power cord, Remote, Quick start guide, VGA cable
Remote
Remote	IR	—

NEC NP-UM351W$349.10 · Amazon · Used

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ViewSonic PS700WMSRP $1,256