Christie DWU860-iS vs Optoma ProScene ZU820TNL

	Christie DWU860-iS	Optoma ProScene ZU820TNL MSRP $4,999
Key differences
White light outputISO	8,500 lm ISO · 7,200 lm ANSI	8,800 lm ISO · 7,400 lm ANSI
Throw ratio	1.25–2:1	—
Fan noise	Max 34 dB(A)	Max 36 dB(A)
Price	—	MSRP $4,999
Room fit80″100″120″150″
Distance to screen	2.7–4.3 m	—
Brightness
Rated brightness	8,500 lmDerived	8,800 lmDerived
White light outputISO	8,500 lm ISO · 7,200 lm ANSI	8,800 lm ISO · 7,400 lm ANSI
Brightness uniformity	—	95%
Display system
Imaging technology	DLP	DLP
Chip / panel diagonal	0.67 in	—
On-screen resolution	WUXGA (1920 × 1200)Derived	WUXGA (1920 × 1200)Derived
Native resolution	WUXGA (1920 × 1200)	WUXGA (1920 × 1200)
Native aspect	16:10Derived	16:10Derived
Contrast
Dynamic contrast	—	3,000,000:1
Dynamic contrast method	Light-source dimming	—
3D
3D	Yes	Yes
3D formats	Frame sequential	—
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Emitter	Blue laser + phosphor	—
Light engine	—	DuraCore Laser
Light-source life	20,000 h max	30,000 h eco
Life defined as	50% brightness	—
Constant brightness mode	Yes	Yes
Optics
Throw ratio	1.25–2:1	—
Image size	60–200 in	—
Zoom	Optical	—
Zoom ratio	1.6×Derived	—
Focus	Motorised	Motorised
Vertical lens shift	±110%	—
Horizontal lens shift	±50%	—
Motorised lens shift	Yes	Yes
Lens memory slots	—	5
Vertical keystone	—	30°
Horizontal keystone	—	30°
Corner correction	—	4-corner
Grid warp	Yes	Yes
Interchangeable lens	No	Yes
Inputs & control
HDMI inputs	HDMI 1.4 · HDMI 2.0	2 × HDMI 2.0
HDMI inputs (count)	2Derived	2Derived
Newest HDMI version	HDMI 2.0Derived	HDMI 2.0Derived
Other video inputs	VGA, HDBaseT	VGA, HDBaseT
Max input resolution	DCI 4K	DCI 4K
Audio inputs	3.5 mm	3.5 mm
Control ports	RS-232, Wired IR, 12 V trigger	RS-232, Wired IR, 12 V trigger
PJLink	—	Class 1
Control-system drivers	Crestron, AMX	Crestron, AMX
Horizontal scan	15.38–91.15 kHz	—
Vertical scan	24–85 Hz	—
Smart platform
Wi-Fi	—	None
Ethernet	Yes	Yes
Audio
Speaker power	20 W	20 W
Speakers	2	2
Layout	Stereo	—
Audio outputs	—	3.5 mm
HDMI audio return	—	NoneDerived
Physical & installation
Dimensions (W × D × H)	—	486 × 376 × 185 mm
Weight	13,700 g	12,601 g
Orientations	360°	360°
Ingress protection	IP5X (light engine)	IP5X (light engine)
Sealed optical engine	Yes	—
Environment & power
Operating temperature	5–40°C	—
Operating humidity	10–80%RH	—
Altitude	3,048 m	—
Power draw	Normal 520 W · Eco 415 W	Max 598 W
Standby	Up to 0.5 W	—
Mains input	100–240 V · 50/60 Hz	90–264 V · 50/60 Hz
Noise
Fan noise	Max 34 dB(A)	Max 36 dB(A)
Safety & compliance
Laser class	Class 1	Class 1
Risk group	RG2	RG2
FDA laser notice	Notice 50	Notice 57
Marks	+ CE, FCC, + CCC, + KC, + PSE, + RCM	FCC
Support & ownership
User manual	https://www.christiedigital.com/globalassets/resources/public/020-001934-03-LIT-MAN-USR-Inspire-Series.pdf	https://region-resource.optoma.com/products/documents/LB1C8hGZpjkehqqLMF8GtQVYyc4eWqkBhrj9Bny8.pdf
Firmware	1.10.0 (Dec 2025)	—
In the box
In the box	Power cord, Remote, Remote batteries, Lens cap	—
Remote	IR	Backlit