Christie M 4K+15 RGB vs Christie M 4K15 RGB

	Christie M 4K+15 RGB	Christie M 4K15 RGB MSRP $51,995
Key differences
Native resolution	WUXGA (1920 × 1200)	1080p (1920 × 1080)
Price	—	MSRP $51,995
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	0.95 in
On-screen resolution	3840 × 2400Derived	4K UHD (3840 × 2160)Derived
Native resolution	WUXGA (1920 × 1200)	1080p (1920 × 1080)
Native aspect	16:10Derived	16:9Derived
Pixel shift	Yes (scheme not stated)	Yes (scheme not stated)
Addressable resolution	3840 × 2400	4K UHD (3840 × 2160)
Contrast
Dynamic contrast method	Light-source dimming	—
Colour
Colour gamut	About BT.2020 98% coverage	About BT.2020 98% coverage
Light source
Light source	RGB triple laser	RGB triple laser
Emitter	RGB triple laser	RGB triple laser
Light-source life	25,000 h normal · 50,000 h eco	25,000 h
Life defined as	50% brightness	50% brightness
Constant brightness mode	Yes	—
Optics
Zoom	—	Optical
Focus	—	Motorised
Motorised lens shift	—	Yes
Interchangeable lens	Yes	Yes
Inputs & control
HDMI inputs	HDMI 2.1 · 2 × HDMI 2.0	HDMI 2.1 · 2 × HDMI 2.0
HDMI inputs (count)	3Derived	3Derived
Newest HDMI version	HDMI 2.1Derived	HDMI 2.1Derived
Other video inputs	SDI	SDI
Control ports	RS-232	RS-232
Smart platform
Ethernet	Yes	Yes
Physical & installation
Weight	38,100 g	38,100 g
Orientations	360°	360°
Sealed optical engine	Yes	Yes
Environment & power
Operating temperature	5–40°C	5–40°C
Operating humidity	10–80%RH	10–80%RH
Altitude	3,000 m	3,000 m
Power draw	Max 1,212 W · Normal 827 W	Max 1,212 W · Normal 827 W
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Noise
Fan noise	Normal 43.5 dB(A) · Eco 41 dB(A)	Normal 43.5 dB(A) · Eco 41 dB(A)
Safety & compliance
Laser class	Class 1	Class 1