Christie Captiva DWU500S vs Optoma ZK521ST

Optoma ZK521ST is lighter.

	Christie Captiva DWU500S	Optoma ZK521STMSRP $2,699

Key differences
White light outputISO
White light outputISO	5,000 lm ISO · 4,500 lm ANSI	5,000 lm ISO
Native resolution
Native resolution	WUXGA (1920 × 1200)	—
Throw ratio
Throw ratio	0.25:1	0.79:1
Lowest input lag
Lowest input lag	—	8.6 msDerived
Fan noise
Fan noise	Normal 36 dB(A) · Eco 30 dB(A)	Max 29 dB(A) · Eco 29 dB(A)
MSRP
MSRP	—	$2,699
Room fit80″100″120″150″
Distance to screen
Distance to screen	0.54 m	1.7 m
Picture
White light outputISO
White light outputISO	5,000 lm ISO · 4,500 lm ANSI	5,000 lm ISO
Brightness uniformity
Brightness uniformity	—	75%
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.67 in	—
Native resolution
Native resolution	WUXGA (1920 × 1200)	—
Native aspect
Native aspect	16:10Derived	16:9Derived
Addressable resolution
Addressable resolution	—	4K UHD (3840 × 2160)
Dynamic contrast
Dynamic contrast	—	2,000,000:1
3D
3D	Yes	Yes
3D formats
3D formats	Frame packing, Side-by-side, Top-bottom, Frame sequential	Frame packing, Side-by-side, Top-bottom
3D glasses sync
3D glasses sync	DLP-Link	—
Light source
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Light-source life
Light-source life	20,000 h	30,000 h eco
Optics
Throw ratio
Throw ratio	0.25:1	0.79:1
Image size
Image size	130–150 in	30–300 in
Projection offset
Projection offset	—	104%
Zoom
Zoom	—	None
Focal length
Focal length	—	11.6 mm
Aperture (f-number)
Aperture (f-number)	2.4	—
Focus
Focus	—	Manual
Vertical lens shift
Vertical lens shift	—	0–21%
Vertical keystone
Vertical keystone	—	15°
Horizontal keystone
Horizontal keystone	—	15°
Corner correction
Corner correction	4-corner	4-corner
Lens material
Lens material	Glass	—
Motion & gaming
Input lag
Input lag	—	1080p: 60 Hz 16.7 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.7 ms
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI	2 × HDMI 2.0
Other video inputs
Other video inputs	VGA	VGA
Max input resolution
Max input resolution	WUXGA	—
Audio inputs
Audio inputs	3.5 mm, Microphone	3.5 mm
Control ports
Control ports	RS-232	RS-232, 12 V trigger
Control-system drivers
Control-system drivers	Crestron, AMX	—
Horizontal scan
Horizontal scan	—	15–150 kHz
Vertical scan
Vertical scan	—	24–240 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Audio
Speaker power
Speaker power	10 W	15 W
Speakers
Speakers	1	1
Layout
Layout	Mono	—
Audio outputs
Audio outputs	3.5 mm	3.5 mm
HDMI audio return
HDMI audio return	NoneDerived	NoneDerived
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	383 × 318 × 88 mm	274 × 216 × 114 mm
Weight
Weight	5,800 g	3,000 g
Colours
Colours	Black, White	White
Orientations
Orientations	Table, Ceiling, Rear, Portrait	Portrait, 360°
Ingress protection
Ingress protection	—	IP6X
Environment & power
Operating temperature
Operating temperature	5–40°C	0–40°C
Operating humidity
Operating humidity	10–85%RH	—
Altitude
Altitude	3,048 m · high-altitude mode	3,048 m
Power draw
Power draw	Max 350 W · Eco 250 W	Max 196 W · Eco 147 W
Standby
Standby	Up to 0.5 W	Up to 0.5 W
Networked standby
Networked standby	Up to 2 W	—
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Normal 36 dB(A) · Eco 30 dB(A)	Max 29 dB(A) · Eco 29 dB(A)
Safety & support
Laser class
Laser class	Class 1	Class 1
Risk group
Risk group	RG2	RG2
Hazard distance
Hazard distance	—	1 m
FDA laser notice
FDA laser notice	Notice 57	Notice 57
Marks
Marks	CE, FCC, UL, CCC	FCC
Warranty
Warranty	—	3 yr (light source 5 yr or 12,000 h)
User manual
User manual	https://www.christiedigital.com/globalassets/resources/public/020-001919-04-Christie-LIT-MAN-USR-Captiva-DWU500S.pdf	https://region-resource.optoma.com/products/documents/wFtzMmyO3OCool38MbOjdfDaDBHsVvtzzQkcczrK.pdf
Firmware
Firmware	1.2.0 (Jun 2026)	—
In the box
In the box
In the box	Power cord, Remote	Power cord, Remote, Remote batteries, User manual
Remote
Remote	IR	—