Christie M 4K15 RGB vs Optoma ProScene ZK1120

Christie M 4K15 RGB is brighter. Optoma ProScene ZK1120 is $14,496 cheaper, quieter and lighter.

	Christie M 4K15 RGB MSRP $51,995	Optoma ProScene ZK1120 MSRP $37,499

Key differences
White light outputISO
White light outputISO	15,750 lm ISO · 14,000 lm ANSI	11,000 lm ISO · 9,300 lm ANSI
Native resolution
Native resolution	1080p (1920 × 1080)	—
Lowest input lag
Lowest input lag	—	4.5 msDerived
HDR formats
HDR formats	—	HDR10, HLG
Light source
Light source	RGB triple laser	Laser (phosphor)
Fan noise
Fan noise	Normal 43.5 dB(A) · Eco 41 dB(A)	Max 40 dB(A) · Normal 36 dB(A)
MSRP
MSRP	$51,995	$37,499
Picture
White light outputISO
White light outputISO	15,750 lm ISO · 14,000 lm ANSI	11,000 lm ISO · 9,300 lm ANSI
Brightness uniformity
Brightness uniformity	—	95%
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.95 in	0.8 in
Native resolution
Native resolution	1080p (1920 × 1080)	—
Native aspect
Native aspect	16:9Derived	16:10Derived
Pixel shift
Pixel shift	Yes (scheme not stated)	—
Addressable resolution
Addressable resolution	4K UHD (3840 × 2160)	3840 × 2400
Dynamic contrast
Dynamic contrast	—	4,000,000:1
Colour gamut
Colour gamut	About BT.2020 98% coverage	Rec. 709 97% coverage · DCI-P3 80% coverage
Colour bit depth (per channel)
Colour bit depth (per channel)	—	10 bit
Gamma / EOTF presets
Gamma / EOTF presets	—	2.2, 2.4, 2.6
HDR formats
HDR formats	—	HDR10, HLG
Colour management (CMS)
Colour management (CMS)	—	6-axis
3D
3D	—	Yes
3D formats
3D formats	—	Frame packing, Side-by-side, Top-bottom, Frame sequential
Light source
Light source
Light source	RGB triple laser	Laser (phosphor)
Emitter
Emitter	RGB triple laser	Blue laser + phosphor
Light-source life
Light-source life	25,000 h	20,000 h normal · 30,000 h eco
Life defined as
Life defined as	50% brightness	—
Light output control
Light output control	—	Continuous
Constant brightness mode
Constant brightness mode	—	Yes
Optics
Projection offset
Projection offset	—	0%
Zoom
Zoom	Optical	—
Focus
Focus	Motorised	Motorised
Vertical lens shift
Vertical lens shift	—	±120%
Horizontal lens shift
Horizontal lens shift	—	±50%
Motorised lens shift
Motorised lens shift	Yes	Yes
Lens memory slots
Lens memory slots	—	5
Vertical keystone
Vertical keystone	—	20°
Horizontal keystone
Horizontal keystone	—	20°
Grid warp
Grid warp	—	Yes
Interchangeable lens
Interchangeable lens	Yes	Yes
Motion & gaming
Input lag
Input lag	—	1080p: 240 Hz 4.5 ms
Inputs & control
HDMI inputs
HDMI inputs	HDMI 2.1 · 2 × HDMI 2.0	2 × HDMI 2.0 (HDCP 2.3)
Other video inputs
Other video inputs	SDI	HDBaseT
Max input resolution
Max input resolution	—	3840 × 2400
Control ports
Control ports	RS-232	RS-232, Wired IR
Control-system drivers
Control-system drivers	—	Crestron, AMX
Horizontal scan
Horizontal scan	—	15.38–135 kHz
Vertical scan
Vertical scan	—	23.98–240 Hz
Smart platform
Wi-Fi
Wi-Fi	—	None
Ethernet
Ethernet	Yes	Yes
Audio
Speakers
Speakers	—	0
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	—	535 × 396 × 212 mm
Weight
Weight	38,100 g	16,800 g
Orientations
Orientations	360°	360°
Ingress protection
Ingress protection	—	IP5X (light engine)
Sealed optical engine
Sealed optical engine	Yes	—
Environment & power
Operating temperature
Operating temperature	5–40°C	0–40°C
Operating humidity
Operating humidity	10–80%RH	10–85%RH
Altitude
Altitude	3,000 m	3,048 m
Power draw
Power draw	Max 1,212 W · Normal 827 W	Max 655 W · Eco 375 W
Standby
Standby	—	0.3 W
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Normal 43.5 dB(A) · Eco 41 dB(A)	Max 40 dB(A) · Normal 36 dB(A)
Safety & support
Laser class
Laser class	Class 1	Class 1
Risk group
Risk group	—	RG2
FDA laser notice
FDA laser notice	—	Notice 57
Warranty
Warranty	—	3 yr
User manual
User manual	—	https://region-resource.optoma.com/products/documents/B0J6EXlDRCocrOrFVdPWQHRiEjh5QhWS8XTf9uV6.pdf
In the box
In the box
In the box	—	Power cord, Remote, Remote batteries, Quick start guide
Remote
Remote	—	Backlit