Christie LW551i vs Christie LWU502

	Christie LW551i MSRP $5,985	Christie LWU502
Key differences
White light outputANSI	5,500 lm ANSI	5,525 lm ISO · 5,000 lm ANSI
Native resolution	WXGA (1280 × 800)	WUXGA (1920 × 1200)
Throw ratio	1.5–3:1	1.4–2.3:1
Fan noise	Normal 37 dB(A) · Eco 31 dB(A)	Normal 39 dB(A) · Eco 30 dB(A)
Price	MSRP $5,985	—
Room fit80″100″120″150″
Distance to screen	3.2–6.5 m	3.0–5.0 m
Brightness
Rated brightness	5,500 lmDerived	5,525 lmDerived
White light outputANSI	5,500 lm ANSI	5,525 lm ISO · 5,000 lm ANSI
Display system
Imaging technology	3LCD	3LCD
Chip / panel diagonal	0.76 in	0.67 in
On-screen resolution	WXGA (1280 × 800)Derived	WUXGA (1920 × 1200)Derived
Native resolution	WXGA (1280 × 800)	WUXGA (1920 × 1200)
Native aspect	16:10Derived	16:10Derived
Contrast
Dynamic contrast	3,000:1	—
Dynamic contrast method	Dynamic iris	—
Calibration
Picture mode memories	4	—
Light source
Light source	Lamp	Lamp
Lamp power	330 W	300 W
Light-source life	2,500 h normal · 3,000 h eco	4,000 h normal · 6,000 h eco
Optics
Throw ratio	1.5–3:1	1.4–2.3:1
Image size	30–600 in	—
Zoom	Optical	Optical
Zoom ratio	2×Derived	1.64×Derived
Focus	Motorised	Manual
Vertical lens shift	-40–125%	—
Horizontal lens shift	±22%	—
Motorised lens shift	Yes	—
Lens memory slots	3	—
Vertical keystone	12°	—
Horizontal keystone	20°	—
Auto keystone	Yes	—
Corner correction	8-point	—
Interchangeable lens	Yes	—
Inputs & control
HDMI inputs	2 × HDMI	2 × HDMI
HDMI inputs (count)	2Derived	2Derived
Other video inputs	VGA	VGA, + Component, + Composite, + HDBaseT
Max input resolution	1600 × 1200	WUXGA
Audio inputs	3.5 mm, RCA	3.5 mm, RCA
USB media playback	Yes	—
Control ports	RS-232, Wired IR	RS-232, Wired IR
PJLink	Class 1	Class 1
Control-system drivers	Crestron	—
Horizontal scan	15–106 kHz	15–106 kHz
Vertical scan	56–120 Hz	60–120 Hz
Smart platform
Ethernet	Yes	Yes
Audio
Speaker power	16 W	16 W
Speakers	2	1
Layout	Stereo	—
Physical & installation
Dimensions (W × D × H)	498 × 476 × 147 mm	460 × 334 × 138 mm
Weight	8,900 g	7,200 g
Orientations	Table, Ceiling, Rear	Table, Ceiling, Rear
Environment & power
Operating temperature	0–40°C	5–40°C
Operating humidity	10–85%RH	10–85%RH
Altitude	3,048 m · high-altitude mode	3,048 m
Power draw	Max 480 W	Max 440 W
Standby	Up to 0.35 W	—
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Noise
Fan noise	Normal 37 dB(A) · Eco 31 dB(A)	Normal 39 dB(A) · Eco 30 dB(A)
Safety & compliance
Marks	CE, FCC, UL, + CCC	CE, FCC, UL
Support & ownership
Warranty	3 yr (light source 1 yr or 500 h)	—
User manual	https://www.christiedigital.com/globalassets/resources/public/020-000461-02-christie-lit-man-usr-d1.pdf	https://www.christiedigital.com/globalassets/resources/public/020-001057-02-christie-lit-man-usr-ap-series.pdf
In the box
In the box	Power cord, + Power adapter, Remote, + Remote batteries, User manual, + HDMI cable, VGA cable, Lens cap, Software CD	Power cord, Remote, User manual, VGA cable, Lens cap, Software CD
Remote	IR	IR