Christie M 4K+15 RGB vs Panasonic PT-REZ15

Panasonic PT-REZ15 is quieter and lighter.

	Christie M 4K+15 RGB	Panasonic PT-REZ15

Key differences
White light outputISO
White light outputISO	15,750 lm ISO · 14,000 lm ANSI	15,000 lm ISO (Normal power) · 15,000 lm ANSI
Throw ratio
Throw ratio	—	1.36–2.1:1
HDR formats
HDR formats	—	HLG
Light source
Light source	RGB triple laser	Laser (phosphor)
Fan noise
Fan noise	Normal 43.5 dB(A) · Eco 41 dB(A)	Normal 42 dB(A) · Eco 42 dB(A)
Room fit80″100″120″150″
Distance to screen
Distance to screen	—	2.9–4.5 m
Picture
White light outputISO
White light outputISO	15,750 lm ISO · 14,000 lm ANSI	15,000 lm ISO (Normal power) · 15,000 lm ANSI
Brightness uniformity
Brightness uniformity	—	90%
Brightness by mode
Brightness by mode	—	Normal 15,000 lm · Eco 12,000 lm
Eco brightness
Eco brightness	—	80%Derived
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.96 in	0.8 in
Native resolution
Native resolution	WUXGA (1920 × 1200)	WUXGA (1920 × 1200)
Native aspect
Native aspect	16:10Derived	16:10Derived
Pixel shift
Pixel shift	Yes (scheme not stated)	—
Addressable resolution
Addressable resolution	3840 × 2400	—
Dynamic contrast
Dynamic contrast	—	25,000:1
Dynamic contrast method
Dynamic contrast method	Light-source dimming	—
Colour gamut
Colour gamut	About BT.2020 98% coverage	—
Gamma / EOTF presets
Gamma / EOTF presets	—	2.2, Custom
Colour temperature presets
Colour temperature presets	—	Custom
HDR formats
HDR formats	—	HLG
Light source
Light source
Light source	RGB triple laser	Laser (phosphor)
Emitter
Emitter	RGB triple laser	—
Light-source life
Light-source life	25,000 h normal · 50,000 h eco	20,000 h normal · 24,000 h eco
Life defined as
Life defined as	50% brightness	50% brightness
Constant brightness mode
Constant brightness mode	Yes	—
Optics
Throw ratio
Throw ratio	—	1.36–2.1:1
Image size
Image size	—	70–1,000 in
Zoom
Zoom	—	Optical
Zoom ratio
Zoom ratio	—	1.54×Derived
Focal length
Focal length	—	23.9–37.2 mm
Aperture (f-number)
Aperture (f-number)	—	1.84–2.31
Focus
Focus	—	Motorised
Vertical lens shift
Vertical lens shift	—	±60%
Horizontal lens shift
Horizontal lens shift	—	±29%
Motorised lens shift
Motorised lens shift	—	Yes
Vertical keystone
Vertical keystone	—	40°
Horizontal keystone
Horizontal keystone	—	40°
Grid warp
Grid warp	—	Yes
Interchangeable lens
Interchangeable lens	Yes	Yes
Inputs & control
HDMI inputs
HDMI inputs	HDMI 2.1 · 2 × HDMI 2.0	2 × HDMI (HDCP 2.3)
Other video inputs
Other video inputs	SDI	—
Max input resolution
Max input resolution	—	DCI 4K
Control ports
Control ports	RS-232	RS-232
PJLink
PJLink	—	Class 2
Control-system drivers
Control-system drivers	—	Crestron, AMX
Horizontal scan
Horizontal scan	—	27–148 kHz
Vertical scan
Vertical scan	—	24–120 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	—	498 × 648 × 212 mm
Weight
Weight	38,100 g	28,700 g
Colours
Colours	—	Black
Orientations
Orientations	360°	Table, Ceiling, Rear, 360°
Ceiling mount
Ceiling mount	—	5 × M6, 12 mm deep, 4 N·m
Dust filter
Dust filter	—	None
Ingress protection
Ingress protection	—	IP5X (light engine)
Sealed optical engine
Sealed optical engine	Yes	—
Environment & power
Operating temperature
Operating temperature	5–40°C	0–45°C
Operating humidity
Operating humidity	10–80%RH	10–80%RH
Altitude
Altitude	3,000 m	4,200 m
Power draw
Power draw	Max 1,212 W · Normal 827 W	Max 1,090 W · Normal 945 W · Eco 730 W
Standby
Standby	—	0.5 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)	Normal 42 dB(A) · Eco 42 dB(A)
Safety & support
Laser class
Laser class	Class 1	Class 1
Risk group
Risk group	—	RG3
FDA laser notice
FDA laser notice	—	Notice 57
Marks
Marks	—	FCC
User manual
User manual	—	https://bizpartner.panasonic.net/public/ppr/file_view/213960
In the box
In the box
In the box	—	Power cord, Remote, Remote batteries