Christie DWU15-HS vs Christie M 4K+15 RGB

	Christie DWU15-HS	Christie M 4K+15 RGB
Key differences
Light source	Laser (phosphor)	RGB triple laser
Fan noise	Normal 38 dB(A) · Eco 35 dB(A)	Normal 43.5 dB(A) · Eco 41 dB(A)
Brightness
Rated brightness	15,750 lmDerived	15,750 lmDerived
White light outputISO	15,750 lm ISO · 14,000 lm ANSI	15,750 lm ISO · 14,000 lm ANSI
Display system
Imaging technology	DLP	DLP
Chip / panel diagonal	0.96 in	0.96 in
On-screen resolution	WUXGA (1920 × 1200)Derived	3840 × 2400Derived
Native resolution	WUXGA (1920 × 1200)	WUXGA (1920 × 1200)
Native aspect	16:10Derived	16:10Derived
Pixel shift	—	Yes (scheme not stated)
Addressable resolution	—	3840 × 2400
Contrast
Dynamic contrast	6,000:1	—
Dynamic contrast method	—	Light-source dimming
Colour
Colour gamut	—	About BT.2020 98% coverage
3D
3D	Yes	—
3D formats	Frame packing, Side-by-side, Top-bottom, Frame sequential	—
Light source
Light source	Laser (phosphor)	RGB triple laser
Emitter	—	RGB triple laser
Light-source life	20,000 h	25,000 h normal · 50,000 h eco
Life defined as	50% brightness	50% brightness
Constant brightness mode	Yes	Yes
Optics
Focus	Motorised	—
Motorised lens shift	Yes	—
Corner correction	4-corner	—
Grid warp	Yes	—
Interchangeable lens	Yes	Yes
Lens material	Glass	—
Inputs & control
HDMI inputs	2 × HDMI 2.0	HDMI 2.1 · 2 × HDMI 2.0
HDMI inputs (count)	2Derived	3Derived
Newest HDMI version	HDMI 2.0Derived	HDMI 2.1Derived
Other video inputs	—	SDI
Control ports	RS-232	RS-232
Control-system drivers	Crestron, AMX	—
Horizontal scan	15–91 kHz	—
Vertical scan	24–120 Hz	—
Smart platform
Ethernet	Yes	Yes
Physical & installation
Weight	41,600 g	38,100 g
Orientations	360°	360°
Sealed optical engine	—	Yes
Environment & power
Operating temperature	0–40°C	5–40°C
Operating humidity	10–85%RH	10–80%RH
Altitude	3,048 m	3,000 m
Power draw	Normal 1,030 W · Eco 824 W	Max 1,212 W · Normal 827 W
Standby	Up to 0.5 W	—
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Noise
Fan noise	Normal 38 dB(A) · Eco 35 dB(A)	Normal 43.5 dB(A) · Eco 41 dB(A)
Safety & compliance
Laser class	Class 1	Class 1
FDA laser notice	Notice 57	—
Marks	CE, FCC, CCC, KC, PSE, RCM	—
In the box
In the box	Power cord, Remote	—
Remote	IR	—