Christie CP4450-RGB vs Christie CP4455-RGB

	Christie CP4450-RGB	Christie CP4455-RGB
Key differences
Fan noise	—	Max 59 dB(A) · Normal 59 dB(A)
Brightness
Claimed brightness (non-standard)	Up to 55,000 lm	Up to 57,000 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% coverage
3D
3D	—	Yes
Light source
Light source	RGB triple laser	RGB triple laser
Emitter	RGB triple laser	—
Light-source life	Over 50,000 h	Over 50,000 h max
Optics
Interchangeable lens	Yes	Yes
Inputs & control
HDMI inputs	2 × HDMI 2.0	2 × HDMI 2.0
HDMI inputs (count)	2Derived	2Derived
Newest HDMI version	HDMI 2.0Derived	HDMI 2.0Derived
Other video inputs	SDI	SDI
Smart platform
Ethernet	Yes	Yes
Environment & power
Operating temperature	15–30°C	15–30°C
Operating humidity	20–80%RH	20–80%RH
Altitude	3,000 m	3,000 m
Power draw	Max 5,450 W	Max 5,037 W
Mains input	200–240 V · 50/60 Hz	200–240 V · 50/60 Hz
Noise
Fan noise	—	Max 59 dB(A) · Normal 59 dB(A)
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/020-103845-06-Christie-LIT-MAN-USR-CineLifePlus2.pdf