Christie DWU15-HS vs Panasonic PT-RQ18K

Christie DWU15-HS is quieter. Panasonic PT-RQ18K is lighter.

	Christie DWU15-HS	Panasonic PT-RQ18K

Key differences
White light outputISO
White light outputISO	15,750 lm ISO · 14,000 lm ANSI	16,000 lm ISO (Normal power) · 16,000 lm ANSI
HDR formats
HDR formats	—	HLG
Fan noise
Fan noise	Normal 38 dB(A) · Eco 35 dB(A)	Normal 43 dB(A) · Eco 43 dB(A)
Picture
White light outputISO
White light outputISO	15,750 lm ISO · 14,000 lm ANSI	16,000 lm ISO (Normal power) · 16,000 lm ANSI
Brightness uniformity
Brightness uniformity	—	90%
Brightness by mode
Brightness by mode	—	Normal 16,000 lm · Eco 12,800 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	6,000:1	25,000:1
Dynamic contrast method
Dynamic contrast method	—	Light-source dimming
HDR formats
HDR formats	—	HLG
3D
3D	Yes	—
3D formats
3D formats	Frame packing, Side-by-side, Top-bottom, Frame sequential	—
Light source
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Light-source life
Light-source life	20,000 h	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
Image size
Image size	—	70–1,000 in
Focus
Focus	Motorised	—
Vertical lens shift
Vertical lens shift	—	±66%
Horizontal lens shift
Horizontal lens shift	—	±24%
Motorised lens shift
Motorised lens shift	Yes	Yes
Vertical keystone
Vertical keystone	—	45°
Horizontal keystone
Horizontal keystone	—	40°
Corner correction
Corner correction	4-corner	—
Grid warp
Grid warp	Yes	Yes
Interchangeable lens
Interchangeable lens	Yes	Yes
Lens material
Lens material	Glass	—
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI 2.0	2 × HDMI (HDCP 2.3)
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	15–91 kHz	27–148 kHz
Vertical scan
Vertical scan	24–120 Hz	24–120 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	—	550 × 570 × 220 mm
Weight
Weight	41,600 g	35,000 g
Colours
Colours	—	Black
Orientations
Orientations	360°	Table, Ceiling, Rear, 360°
Ingress protection
Ingress protection	—	IP5X (light engine)
Sealed optical engine
Sealed optical engine	—	Yes
Environment & power
Operating temperature
Operating temperature	0–40°C	0–45°C
Operating humidity
Operating humidity	10–85%RH	10–80%RH
Altitude
Altitude	3,048 m	4,200 m
Power draw
Power draw	Normal 1,030 W · Eco 824 W	Max 1,190 W · Normal 1,030 W · Eco 820 W
Standby
Standby	Up to 0.5 W	0.4 W
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Normal 38 dB(A) · Eco 35 dB(A)	Normal 43 dB(A) · Eco 43 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	CE, FCC, CCC, KC, PSE, RCM	FCC
User manual
User manual	—	https://eu.connect.panasonic.com/sites/default/files/media/document/2025-08/rq25k_manual_en.pdf
In the box
In the box
In the box	Power cord, Remote	Power cord, Remote, Remote batteries
Remote
Remote	IR	—