Promethean UST-P3 vs ViewSonic PS600W

Promethean UST-P3 is $100 cheaper. ViewSonic PS600W is lighter.

	Promethean UST-P3MSRP $499	ViewSonic PS600WMSRP $599

Key differences
White light output
White light output	—	3,700 lm ANSI
Throw ratio
Throw ratio	0.35:1	0.49:1
MSRP
MSRP	$499	$599
Room fit80″100″120″150″
Distance to screen
Distance to screen	0.75 m	1.1 m
Picture
White light output
White light output	—	3,700 lm ANSI
Claimed brightness (non-standard)
Claimed brightness (non-standard)	3,150 lm	—
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.65 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	Up to 2,300:1	22,000:1
Dynamic contrast method
Dynamic contrast method	—	Light-source dimming
Colour bit depth (per channel)
Colour bit depth (per channel)	—	10 bit
Gamma / EOTF presets
Gamma / EOTF presets	2.2, 2.4	—
Colour management (CMS)
Colour management (CMS)	6-axis	—
3D
3D	Yes	Yes
3D formats
3D formats	Frame packing, Side-by-side, Top-bottom, Frame sequential	—
Light source
Light source
Light source	Lamp	Lamp
Lamp power
Lamp power	240 W	200 W
Replacement lamp
Replacement lamp	—	RLC-109
Light-source life
Light-source life	5,000 h normal · 8,000 h eco	5,000 h normal · 15,000 h dynamic
Optics
Throw ratio
Throw ratio	0.35:1	0.49:1
Image size
Image size	80–100 in	30–300 in
Zoom
Zoom	Digital	—
Focus
Focus	Manual	Manual
Autofocus
Autofocus	No	—
Vertical keystone
Vertical keystone	40°	40°
Horizontal keystone
Horizontal keystone	—	26°
Corner correction
Corner correction	—	4-corner
Interchangeable lens
Interchangeable lens	No	—
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI	2 × HDMI 1.4
Other video inputs
Other video inputs	VGA	VGA, Composite
Max input resolution
Max input resolution	4K UHD	1080p
Audio inputs
Audio inputs	3.5 mm	3.5 mm
Control ports
Control ports	RS-232	RS-232
Control-system drivers
Control-system drivers	Crestron	Crestron, AMX
Horizontal scan
Horizontal scan	15–91.4 kHz	15–102 kHz
Vertical scan
Vertical scan	24–120 Hz	23–120 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Audio
Speaker power
Speaker power	20 W	10 W
Speakers
Speakers	2	1
Layout
Layout	Stereo	—
Audio outputs
Audio outputs	3.5 mm	—
HDMI audio return
HDMI audio return	NoneDerived	—
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	288 × 375 × 168 mm	292 × 236 × 115 mm
Weight
Weight	4,800 g	2,600 g
Colours
Colours	Black	—
Orientations
Orientations	Table, Ceiling, Rear	—
Ceiling mount
Ceiling mount	M4, 12 mm screws	—
Environment & power
Operating temperature
Operating temperature	0–40°C	0–40°C
Operating humidity
Operating humidity	10–85%RH	0–90%RH
Power draw
Power draw	Max 330 W	260 W
Standby
Standby	Up to 0.5 W	Up to 0.5 W
Mains input
Mains input	100–240 V	100–240 V · 50/60 Hz
Safety & support
Risk group
Risk group	RG1	—
Marks
Marks	CE, FCC, UL, CCC	FCC
Warranty
Warranty	—	3 yr (light source 1 yr)
User manual
User manual	https://cdn.cs.1worldsync.com/55/fb/55fb8d82-0779-48d1-9c55-233622ca8bbd.pdf	https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/PS500X_PS501X_PS600X_PS501W_PS600W/PS600W_PS600X_PS501W_PS501X_PS500X_UG_ENG.pdf
In the box
In the box
In the box	Power cord, Remote, Remote batteries, Quick start guide, HDMI cable, VGA cable	Power cord, Remote, Quick start guide, VGA cable
Remote
Remote	IR	—