Christie 4K860-iS vs Christie DWU860-iS

	Christie 4K860-iS	Christie DWU860-iS
Key differences
Native resolution	1080p (1920 × 1080)	WUXGA (1920 × 1200)
Fan noise	Up to Eco 34 dB(A)	Max 34 dB(A)
Room fit80″100″120″150″
Distance to screen	2.8–4.4 m	2.7–4.3 m
Brightness
Rated brightness	8,500 lmDerived	8,500 lmDerived
White light outputISO	8,500 lm ISO · 7,200 lm ANSI	8,500 lm ISO · 7,200 lm ANSI
Display system
Imaging technology	DLP	DLP
Chip / panel diagonal	0.65 in	0.67 in
On-screen resolution	4K UHD (3840 × 2160)Derived	WUXGA (1920 × 1200)Derived
Native resolution	1080p (1920 × 1080)	WUXGA (1920 × 1200)
Native aspect	16:9Derived	16:10Derived
Addressable resolution	4K UHD (3840 × 2160)	—
Contrast
Dynamic contrast method	Light-source dimming	Light-source dimming
3D
3D	Yes	Yes
3D formats	+ Frame packing, + Side-by-side, + Top-bottom, Frame sequential	Frame sequential
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Emitter	Blue laser + phosphor	Blue laser + phosphor
Light-source life	20,000 h max	20,000 h max
Life defined as	50% brightness	50% brightness
Constant brightness mode	—	Yes
Optics
Throw ratio	1.25–2:1	1.25–2:1
Image size	60–200 in	60–200 in
Zoom	Optical	Optical
Zoom ratio	1.6×Derived	1.6×Derived
Focus	Motorised	Motorised
Vertical lens shift	±110%	±110%
Horizontal lens shift	±50%	±50%
Motorised lens shift	Yes	Yes
Lens memory slots	5	—
Corner correction	4-corner	—
Grid warp	Yes	Yes
Interchangeable lens	No	No
Inputs & control
HDMI inputs	2 × HDMI 2.0	HDMI 1.4 · HDMI 2.0
HDMI inputs (count)	2Derived	2Derived
Newest HDMI version	HDMI 2.0Derived	HDMI 2.0Derived
Other video inputs	HDBaseT	+ VGA, HDBaseT
Max input resolution	—	DCI 4K
Audio inputs	—	3.5 mm
Control ports	RS-232, Wired IR, 12 V trigger	RS-232, Wired IR, 12 V trigger
Control-system drivers	Crestron, AMX	Crestron, AMX
Horizontal scan	15.73–135 kHz	15.38–91.15 kHz
Vertical scan	24–240 Hz	24–85 Hz
Smart platform
Ethernet	Yes	Yes
Audio
Speaker power	20 W	20 W
Speakers	2	2
Layout	Stereo	Stereo
Audio outputs	3.5 mm	—
HDMI audio return	NoneDerived	—
Physical & installation
Weight	15,000 g	13,700 g
Orientations	360°	360°
Ceiling mount	4 × M4	—
Ingress protection	IP5X (light engine)	IP5X (light engine)
Sealed optical engine	Yes	Yes
Environment & power
Operating temperature	0–40°C	5–40°C
Operating humidity	10–85%RH	10–80%RH
Altitude	3,048 m · high-altitude mode	3,048 m
Power draw	—	Normal 520 W · Eco 415 W
Standby	Up to 0.5 W	Up to 0.5 W
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Noise
Fan noise	Up to Eco 34 dB(A)	Max 34 dB(A)
Safety & compliance
Laser class	Class 1	Class 1
Risk group	RG2	RG2
FDA laser notice	Notice 57	Notice 50
Marks	CE, FCC, CCC, KC, PSE, RCM	CE, FCC, CCC, KC, PSE, RCM
Support & ownership
User manual	https://www.christiedigital.com/globalassets/resources/public/020-002098-01-christie-lit-man-usr-inspire-series.pdf	https://www.christiedigital.com/globalassets/resources/public/020-001934-03-LIT-MAN-USR-Inspire-Series.pdf
Firmware	—	1.10.0 (Dec 2025)
Spare parts	Air filter 140-148104-XX · Mount 108-506102-XX	—
In the box
In the box	Power cord, Remote, Remote batteries, Lens cap	Power cord, Remote, Remote batteries, Lens cap
Remote	IR	IR