Panasonic PT-LB356 vs ViewSonic LS625X

Panasonic PT-LB356 is lighter.

	Panasonic PT-LB356	ViewSonic LS625XMSRP $1,199

Key differences
White light outputANSI
White light outputANSI	3,300 lm ISO (Normal power, Dynamic mode) · 3,300 lm ANSI	3,200 lm ANSI
Throw ratio
Throw ratio	1.48–1.78:1	0.49:1
Light source
Light source	Lamp	Laser (phosphor)
Fan noise
Fan noise	Normal 38 dB(A) · Eco 35 dB(A)	—
MSRP
MSRP	—	$1,199
Room fit80″100″120″150″
Distance to screen
Distance to screen	3.0–3.6 m	1.00 m
Picture
White light outputANSI
White light outputANSI	3,300 lm ISO (Normal power, Dynamic mode) · 3,300 lm ANSI	3,200 lm ANSI
Brightness uniformity
Brightness uniformity	85%	—
Imaging technology
Imaging technology	3LCD	DLP
Chip / panel diagonal
Chip / panel diagonal	0.63 in	—
Native resolution
Native resolution	1024 × 768	1024 × 768
Native aspect
Native aspect	4:3Derived	4:3Derived
Dynamic contrast
Dynamic contrast	20,000:1	—
Colour bit depth (per channel)
Colour bit depth (per channel)	8 bit	10 bit
Light source
Light source
Light source	Lamp	Laser (phosphor)
Emitter
Emitter	—	Blue laser + phosphor
Lamp power
Lamp power	230 W	—
Replacement lamp
Replacement lamp	ET-LAL510	—
Light-source life
Light-source life	10,000 h normal · 20,000 h eco	20,000 h normal · 20,000 h dynamic
Life defined as
Life defined as	50% brightness	—
Light output control
Light output control	—	Steps
Optics
Throw ratio
Throw ratio	1.48–1.78:1	0.49:1
Image size
Image size	30–300 in	60–300 in
Zoom
Zoom	Optical	None
Zoom ratio
Zoom ratio	1.2×Derived	—
Focal length
Focal length	19.16–23.02 mm	—
Aperture (f-number)
Aperture (f-number)	1.6–1.76	—
Focus
Focus	Manual	Manual
Vertical lens shift
Vertical lens shift	—	None
Horizontal lens shift
Horizontal lens shift	—	None
Vertical keystone
Vertical keystone	35°	40°
Horizontal keystone
Horizontal keystone	35°	—
Auto keystone
Auto keystone	Yes	—
Interchangeable lens
Interchangeable lens	—	No
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI (HDCP 1.4)	—
Other video inputs
Other video inputs	VGA, Composite	VGA, Composite
Max input resolution
Max input resolution	WUXGA	1080p
Audio inputs
Audio inputs	3.5 mm, RCA	3.5 mm
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	—	Crestron, AMX
Horizontal scan
Horizontal scan	—	15–102 kHz
Vertical scan
Vertical scan	—	23–120 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Audio
Speaker power
Speaker power	10 W	10 W
Speakers
Speakers	—	1
Layout
Layout	Mono	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)	335 × 252 × 96 mm	383 × 291 × 147 mm
Weight
Weight	2,900 g	6,200 g
Orientations
Orientations	Table, Ceiling, Rear	Table, Ceiling, Rear
Ceiling mount
Ceiling mount	—	4 × M4, screws ≤ 8 mm
Dust filter
Dust filter	Replaceable	—
Sealed optical engine
Sealed optical engine	—	Yes
Environment & power
Operating temperature
Operating temperature	5–40°C	0–40°C
Operating humidity
Operating humidity	20–80%RH	0–90%RH
Altitude
Altitude	2,700 m	3,000 m · high-altitude mode
Power draw
Power draw	Max 300 W	305 W
Standby
Standby	0.5 W	Up to 0.5 W
Power supply
Power supply	Built in	—
Mains input
Mains input	100–240 V · 50/60 Hz	—
Fan noise
Fan noise	Normal 38 dB(A) · Eco 35 dB(A)	—
Safety & support
Marks
Marks	—	FCC
Warranty
Warranty	—	3 yr
User manual
User manual	—	https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS625X_LS625W/LS625X_LS625W_UG_ENG.pdf
Spare parts
Spare parts	Lamp ET-LAL510 · Air filter ET-RFL300	—
In the box
In the box
In the box	Power cord, Remote, Remote batteries	Power cord, Remote, Quick start guide, VGA cable
Remote
Remote	—	IR