Optoma ZH521 vs Optoma ZU500USTe

Optoma ZH521 is lighter. Optoma ZU500USTe is sharper.

	Optoma ZH521	Optoma ZU500USTeMSRP $4,349

Key differences
White light output
White light output	5,500 lm ISO	5,000 lm ANSI
Native resolution
Native resolution	1080p (1920 × 1080)	WUXGA (1920 × 1200)
Throw ratio
Throw ratio	1.13–1.47:1	0.25:1
Lowest input lag
Lowest input lag	8.6 msDerived	—
HDR formats
HDR formats	HDR10, HLG	—
Fan noise
Fan noise	Normal 35 dB(A) · Eco 29 dB(A)	Max 36 dB(A)
MSRP
MSRP	—	$4,349
Room fit80″100″120″150″
Distance to screen
Distance to screen	2.5–3.3 m	0.54 m
Picture
White light output
White light output	5,500 lm ISO	5,000 lm ANSI
Brightness uniformity
Brightness uniformity	75%	85%
Imaging technology
Imaging technology	DLP	DLP
Native resolution
Native resolution	1080p (1920 × 1080)	WUXGA (1920 × 1200)
Native aspect
Native aspect	16:9Derived	16:10Derived
Dynamic contrast
Dynamic contrast	3,000,000:1	100,000:1
Colour bit depth (per channel)
Colour bit depth (per channel)	—	10 bit
Gamma / EOTF presets
Gamma / EOTF presets	—	2.2, 2.4, 2.6
HDR formats
HDR formats	HDR10, HLG	—
3D
3D	Yes	Yes
3D formats
3D formats	Frame packing, Side-by-side, Top-bottom	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)
Emitter
Emitter	Blue laser + phosphor	—
Light engine
Light engine	—	DuraCore
Light-source life
Light-source life	30,000 h eco	30,000 h
Light output control
Light output control	—	Steps
Constant brightness mode
Constant brightness mode	—	Yes
Cool-down time
Cool-down time	—	10 s
Optics
Throw ratio
Throw ratio	1.13–1.47:1	0.25:1
Image size
Image size	30–306 in	132–155 in
Projection offset
Projection offset	116%	117%
Zoom
Zoom	Optical	None
Zoom ratio
Zoom ratio	1.3×Derived	—
Focal length
Focal length	16.9–21.6 mm	3.7 mm
Aperture (f-number)
Aperture (f-number)	2.43–2.78	—
Focus
Focus	—	Manual
Autofocus
Autofocus	—	No
Vertical keystone
Vertical keystone	30°	10°
Horizontal keystone
Horizontal keystone	30°	10°
Corner correction
Corner correction	4-corner	4-corner
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 2.0	2 × HDMI 2.0
Other video inputs
Other video inputs	VGA	VGA
Max input resolution
Max input resolution	DCI 4K	DCI 4K
Audio inputs
Audio inputs	3.5 mm	3.5 mm, Microphone
Control ports
Control ports	RS-232, 12 V trigger	RS-232
PJLink
PJLink	—	Class 1
Control-system drivers
Control-system drivers	—	Crestron, AMX
Horizontal scan
Horizontal scan	15–135 kHz	15.38–91.15 kHz
Vertical scan
Vertical scan	24–120 Hz	24–85 Hz
Smart platform
Ethernet
Ethernet	—	Yes
Audio
Speaker power
Speaker power	15 W	10 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)	274 × 216 × 114 mm	383 × 318 × 111 mm
Weight
Weight	2,900 g	5,800 g
Orientations
Orientations	Table, Ceiling, Rear, Portrait, 360°	Table, Ceiling, Rear
Ceiling mount
Ceiling mount	—	M4, screws ≥ 10 mm
Dust filter
Dust filter	None	—
Ingress protection
Ingress protection	IP6X (light engine)	IP5X (light engine)
Sealed optical engine
Sealed optical engine	Yes	—
Environment & power
Operating temperature
Operating temperature	0–40°C	5–40°C
Operating humidity
Operating humidity	—	10–85%RH
Altitude
Altitude	2,500 m	3,000 m · high-altitude mode
Power draw
Power draw	Max 210 W · Eco 147 W	Max 400 W
Standby
Standby	Up to 0.5 W	0.5 W
Power supply
Power supply	External adapter	—
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Normal 35 dB(A) · Eco 29 dB(A)	Max 36 dB(A)
Safety & support
Laser class
Laser class	—	Class 1
Risk group
Risk group	RG2	RG2
FDA laser notice
FDA laser notice	—	Notice 57
Marks
Marks	FCC	FCC
Warranty
Warranty	5 yr or 12,000 h	3 yr (light source 5 yr or 12,000 h)
User manual
User manual	https://region-resource.optoma.com/products/documents/K9MwpgPSz59vAXkTCNNs6i6XlKNiiRBCCcHAz398.pdf	https://region-resource.optoma.com/products/import/Documents/b79db040-9ffd-4f59-892d-cbbed63daaed.pdf
In the box
In the box
In the box	Power cord, Remote, Remote batteries, Quick start guide	Power cord, Remote, Remote batteries, Quick start guide
Remote
Remote	—	IR · backlit