Optoma ZK708T vs Optoma ZU507TST

Optoma ZU507TST is $1,448 cheaper, better for gaming and lighter.

	Optoma ZK708T$5,298.94 · Amazon Buy	Optoma ZU507TST$3,850.94 · Amazon Buy

Key differences
Native resolution
Native resolution	—	WUXGA (1920 × 1200)
Throw ratio
Throw ratio	1.2–1.92:1	0.58:1
Lowest input lag
Lowest input lag	16.9 msDerived	8.2 msDerived
Fan noise
Fan noise	Max 36 dB(A) · Eco 33 dB(A)	Normal 36 dB(A) · Eco 33 dB(A)
MSRP
MSRP	$7,499	$5,249
Best price
Best price	$5,298.94	$3,850.94
Room fit80″100″120″150″
Distance to screen
Distance to screen	2.7–4.3 m	1.2 m
Picture
Claimed brightness (non-standard)
Claimed brightness (non-standard)	7,000 lm	5,000 lm
Brightness uniformity
Brightness uniformity	85%	85%
Imaging technology
Imaging technology	DLP	DLP
Native resolution
Native resolution	—	WUXGA (1920 × 1200)
Native aspect
Native aspect	16:9Derived	16:10Derived
Addressable resolution
Addressable resolution	4K UHD (3840 × 2160)	—
Dynamic contrast
Dynamic contrast	300,000:1	300,000:1
Colour bit depth (per channel)
Colour bit depth (per channel)	—	10 bit
Gamma / EOTF presets
Gamma / EOTF presets	—	2.2, 2.4
HDR formats
HDR formats	HDR10, HLG	HDR10, HLG
3D
3D	Yes	Yes
3D formats
3D formats	—	Side-by-side, Top-bottom, Frame sequential
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	Up to 30,000 h	30,000 h
Light output control
Light output control	—	Steps
Constant brightness mode
Constant brightness mode	—	Yes
Cool-down time
Cool-down time	—	90 s
Optics
Throw ratio
Throw ratio	1.2–1.92:1	0.58:1
Image size
Image size	31.5–302 in	30–300 in
Projection offset
Projection offset	106%	110%
Zoom
Zoom	Optical	None
Zoom ratio
Zoom ratio	1.6×Derived	—
Focal length
Focal length	17.63–27.9 mm	8.51 mm
Aperture (f-number)
Aperture (f-number)	2.3–3	2.75
Focus
Focus	—	Manual
Autofocus
Autofocus	—	No
Vertical lens shift
Vertical lens shift	-106–126%	-100–110%
Horizontal lens shift
Horizontal lens shift	±10%	±4%
Motorised lens shift
Motorised lens shift	No	No
Vertical keystone
Vertical keystone	30°	15°
Horizontal keystone
Horizontal keystone	30°	15°
Auto keystone
Auto keystone	Yes	Yes
Corner correction
Corner correction	4-corner	4-corner
Motion & gaming
Max input refresh
Max input refresh	—	1080p: 120 Hz · 4K UHD: 60 Hz
Input lag
Input lag	1080p: 60 Hz 33.8 ms · 120 Hz 17 ms · 240 Hz 17 ms · 4K UHD: 60 Hz 16.9 ms	1080p: 60 Hz 16.2 ms · 120 Hz 8.2 ms · 4K UHD: 60 Hz 16.2 ms
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI 2.0	2 × HDMI 2.0
Other video inputs
Other video inputs	VGA, HDBaseT	VGA, Composite, HDBaseT
Max input resolution
Max input resolution	—	DCI 4K
Audio inputs
Audio inputs	3.5 mm	3.5 mm
Control ports
Control ports	RS-232, 12 V trigger	RS-232, 12 V trigger
PJLink
PJLink	—	Class 2
Control-system drivers
Control-system drivers	Crestron, AMX	Crestron, AMX
Horizontal scan
Horizontal scan	15–140 kHz	15–140 kHz
Vertical scan
Vertical scan	24–120 Hz	24–120 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Audio
Speaker power
Speaker power	15 W	10 W
Speakers
Speakers	2	2
Layout
Layout	—	Stereo
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)	374 × 302 × 117 mm	374 × 302 × 117 mm
Weight
Weight	6,300 g	5,300 g
Orientations
Orientations	Table, Ceiling, Rear, Portrait, 360°	Portrait, 360°
Ceiling mount
Ceiling mount	—	M4, screws ≥ 5 mm
Ingress protection
Ingress protection	IP6X (light engine)	IP6X
Sealed optical engine
Sealed optical engine	Yes	—
Environment & power
Operating temperature
Operating temperature	0–40°C	0–40°C
Operating humidity
Operating humidity	10–85%RH	10–85%RH
Power draw
Power draw	Max 366 W · Normal 300 W	Max 366 W · Eco 240 W
Standby
Standby	Up to 0.5 W	Up to 0.5 W
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Max 36 dB(A) · Eco 33 dB(A)	Normal 36 dB(A) · Eco 33 dB(A)
Safety & support
Laser class
Laser class	Class 1	Class 1
Risk group
Risk group	RG2	RG2
FDA laser notice
FDA laser notice	Notice 57	Notice 57
Marks
Marks	—	FCC
Warranty
Warranty	—	3 yr
User manual
User manual	https://region-resource.optoma.com/products/import/Documents/b0d04fc7-f84c-44a5-b36c-e8109cc85fa3.pdf	https://region-resource.optoma.com/products/import/Documents/98c447dd-b8c6-4e8f-a7e9-bfc55ea19fd3.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

Optoma ZK708T$5,298.94 · Amazon

Buy

Optoma ZU507TST$3,850.94 · Amazon

Buy