Christie DWU860-iS vs Optoma ProScene ZU920TST

Optoma ProScene ZU920TST is brighter and in stock.

Key differences
White light outputANSI
8,500 lm ISO · 7,200 lm ANSI8,200 lm ANSI
Throw ratio
1.25–2:10.65–0.75:1
Fan noise
Max 34 dB(A)Max 38 dB(A) · Eco 36 dB(A)
MSRP
—$17,499
Best price
—$9,999
Room fit
Distance to screen
2.7–4.3 m1.4–1.6 m
Picture
White light outputANSI
8,500 lm ISO · 7,200 lm ANSI8,200 lm ANSI
Claimed brightness (non-standard)
—9,800 lm
Brightness uniformity
—95%
Imaging technology
DLPDLP
Chip / panel diagonal
0.67 in—
Native resolution
WUXGA (1920 × 1200)WUXGA (1920 × 1200)
Native aspect
16:10Derived16:10Derived
Dynamic contrast
—3,000,000:1
Dynamic contrast method
Light-source dimmingLight-source dimming
Gamma / EOTF presets
—2.2, 2.4, 2.6
3D
YesYes
3D formats
Frame sequential—
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
Blue laser + phosphor—
Light-source life
20,000 h max30,000 h eco
Life defined as
50% brightness—
Light output control
—Continuous
Constant brightness mode
YesYes
Optics
Throw ratio
1.25–2:10.65–0.75:1
Image size
60–200 in50–300 in
Zoom
OpticalOptical
Zoom ratio
1.6×Derived1.15×Derived
Focal length
—9.69–11.19 mm
Focus
MotorisedMotorised
Vertical lens shift
±110%±55%
Horizontal lens shift
±50%±25%
Motorised lens shift
YesYes
Lens memory slots
—5
Vertical keystone
—30°
Horizontal keystone
—30°
Corner correction
—4-corner
Grid warp
YesYes
Interchangeable lens
NoNo
Inputs & control
HDMI inputs
HDMI 1.4 · HDMI 2.02 × HDMI 2.0
Other video inputs
VGA, HDBaseTVGA, HDBaseT
Max input resolution
DCI 4KDCI 4K
Audio inputs
3.5 mm3.5 mm
Control ports
RS-232, Wired IR, 12 V triggerRS-232, Wired IR, 12 V trigger
Control-system drivers
Crestron, AMXCrestron, AMX
Horizontal scan
15.38–91.15 kHz15.38–91.15 kHz
Vertical scan
24–85 Hz24–85 Hz
Smart platform
Wi-Fi
—None
Ethernet
YesYes
Audio
Speaker power
20 W20 W
Speakers
22
Layout
Stereo—
Audio outputs
—3.5 mm
HDMI audio return
—NoneDerived
Physical & installation
Dimensions (W × D × H)
—486 × 428 × 186 mm
Weight
13,700 g14,000 g
Colours
—Black
Orientations
360°Portrait, 360°
Ceiling mount
—M4, screws ≥ 8 mm
Ingress protection
IP5X (light engine)IP5X (light engine)
Sealed optical engine
Yes—
Environment & power
Operating temperature
5–40°C5–40°C
Operating humidity
10–80%RH10–85%RH
Altitude
3,048 m—
Power draw
Normal 520 W · Eco 415 WMax 505 W · Eco 260 W
Standby
Up to 0.5 WUp to 0.5 W
Power supply
—Built in
Mains input
100–240 V · 50/60 Hz90–264 V · 50/60 Hz
Fan noise
Max 34 dB(A)Max 38 dB(A) · Eco 36 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
FDA laser notice
Notice 50Notice 57
Marks
CE, FCC, CCC, KC, PSE, RCM—
Warranty
—3 yr
User manual
https://www.christiedigital.com/globalassets/resources/public/020-001934-03-LIT-MAN-USR-Inspire-Series.pdfhttps://region-resource.optoma.com/products/import/Documents/cefe348a-bd13-4af6-9ef2-2586d483435e.pdf
Firmware
1.10.0 (Dec 2025)—
In the box
In the box
Power cord, Remote, Remote batteries, Lens capPower cord, Remote
Remote
IRBacklit