Christie CP4450-RGB vs Christie D4K40-RGB

	Christie CP4450-RGB	Christie D4K40-RGB
Key differences
White light output	—	45,000 lm ISO · 40,000 lm ANSI
Brightness
Rated brightness	—	45,000 lmDerived
White light output	—	45,000 lm ISO · 40,000 lm ANSI
Claimed brightness (non-standard)	Up to 55,000 lm	—
Display system
Imaging technology	DLP	DLP
Chip / panel diagonal	1.38 in	1.38 in
On-screen resolution	DCI 4K (4096 × 2160)Derived	DCI 4K (4096 × 2160)Derived
Native resolution	DCI 4K (4096 × 2160)	DCI 4K (4096 × 2160)
Native aspect	17:9Derived	17:9Derived
Colour
Colour gamut	Over BT.2020 95% coverage	Over BT.2020 95%
Colour bit depth (per channel)	—	12 bit
Light source
Light source	RGB triple laser	RGB triple laser
Emitter	RGB triple laser	RGB triple laser
Light-source life	Over 50,000 h	25,000 h
Life defined as	—	50% brightness
Optics
Focus	—	Motorised
Motorised lens shift	—	Yes
Grid warp	—	Yes
Interchangeable lens	Yes	Yes
Inputs & control
HDMI inputs	2 × HDMI 2.0	HDMI 2.0
HDMI inputs (count)	2Derived	1Derived
Newest HDMI version	HDMI 2.0Derived	HDMI 2.0Derived
Other video inputs	SDI	+ HDBaseT, SDI
Control ports	—	RS-232
Smart platform
Ethernet	Yes	Yes
Physical & installation
Orientations	—	360°
Environment & power
Operating temperature	15–30°C	5–40°C
Operating humidity	20–80%RH	10–80%RH
Altitude	3,000 m	3,000 m
Power draw	Max 5,450 W	Max 4,000 W
Mains input	200–240 V · 50/60 Hz	200–240 V · 50/60 Hz
Safety & compliance
Laser class	Class 1	Class 1
Risk group	RG3	RG3
Marks	—	FCC
Support & ownership
User manual	—	https://www.christiedigital.com/globalassets/resources/public/020-102958-05-Christie-LIT-MAN-USR-4K40-RGB.pdf
Firmware	—	1.3.5 (Jul 2026)
In the box
In the box	—	Power cord, Remote
Remote	—	IR