Christie LW401 vs Philips ProPix 850

	Christie LW401 $1,699.99	Philips ProPix 850 MSRP $699
Key differences
Native resolution	WXGA (1280 × 800)	1080p (1920 × 1080)
Native contrast (on/off)	—	1,600:1
Throw ratio	1.5–2.2:1	1.49–1.64:1
Fan noise	Normal 35 dB(A) · Eco 29 dB(A)	—
Price	$1,699.99	MSRP $699
Room fit80″100″120″150″
Distance to screen	3.2–4.7 m	3.3–3.6 m
Brightness
Rated brightness	4,000 lmDerived	4,000 lmDerived
White light outputANSI	4,000 lm ANSI	4,000 lm ANSI
Display system
Imaging technology	3LCD	DLP
Chip / panel diagonal	0.59 in	0.65 in
On-screen resolution	WXGA (1280 × 800)Derived	1080p (1920 × 1080)Derived
Native resolution	WXGA (1280 × 800)	1080p (1920 × 1080)
Native aspect	16:10Derived	16:9Derived
Contrast
Native contrast (on/off)	—	1,600:1
Dynamic contrast	3,000:1	—
Dynamic contrast method	Dynamic iris	—
Calibration
Picture mode memories	4	—
3D
3D	—	Yes
Light source
Light source	Lamp	Lamp
Lamp power	245 W	200 W
Replacement lamp	—	PPA3001
Light-source life	2,500 h normal · 4,000 h eco	6,000 h normal · 10,000 h eco
Optics
Throw ratio	1.5–2.2:1	1.49–1.64:1
Image size	30–600 in	70–150 in
Zoom	Optical	Digital
Zoom ratio	1.47×Derived	—
Focus	Motorised	Manual
Autofocus	—	No
Vertical lens shift	-45–155%	—
Horizontal lens shift	±105%	—
Motorised lens shift	Yes	—
Lens memory slots	3	—
Vertical keystone	12°	40°
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	—
Max input resolution	1600 × 1200	—
Audio inputs	3.5 mm, RCA	—
USB media playback	Yes	—
Control ports	RS-232	RS-232
Control-system drivers	Crestron	—
Horizontal scan	15–106 kHz	—
Vertical scan	56–120 Hz	—
Smart platform
Ethernet	Yes	—
Smart platform	—	None
Audio
Speaker power	16 W	2 W
Speakers	2	—
Layout	Stereo	—
Audio outputs	—	3.5 mm
HDMI audio return	—	NoneDerived
Physical & installation
Dimensions (W × D × H)	498 × 476 × 147 mm	302 × 218 × 99 mm
Weight	8,500 g	2,500 g
Orientations	Table, Ceiling, Rear	—
Tripod socket	—	Yes
Environment & power
Operating temperature	0–40°C	0–40°C
Operating humidity	10–85%RH	—
Altitude	3,048 m · high-altitude mode	High-altitude mode
Power draw	Max 375 W	260 W
Standby	Up to 0.35 W	0.5 W
Mains input	100–240 V · 50/60 Hz	100–240 V
Noise
Fan noise	Normal 35 dB(A) · Eco 29 dB(A)	—
Safety & compliance
Marks	CE, FCC, UL, CCC	—
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.documents.philips.com/assets/20250907/9a1da8258e69466da511b35101160835.pdf
In the box
In the box	Power cord, Remote, Remote batteries, + User manual, + HDMI cable, + VGA cable, + Lens cap	Power cord, Remote, Remote batteries, + Quick start guide, + Warranty card
Remote	IR	IR