Optoma ZK608TST vs Optoma ZU607TST

Optoma ZU607TST is $1,650 cheaper.

	Optoma ZK608TSTMSRP $8,999	Optoma ZU607TSTMSRP $7,349

Key differences
Native resolution
Native resolution	—	WUXGA (1920 × 1200)
Lowest input lag
Lowest input lag	4.36 msDerived	8.2 msDerived
MSRP
MSRP	$8,999	$7,349
Room fit80″100″120″150″
Distance to screen
Distance to screen	1.3 m	1.2 m
Picture
Claimed brightness (non-standard)
Claimed brightness (non-standard)	6,000 lm	6,000 lm
Brightness uniformity
Brightness uniformity	85%	85%
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.65 in	0.67 in
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
HDR formats
HDR formats	HDR10, HLG	HDR10, HLG
3D
3D	Yes	Yes
3D formats
3D formats	—	Frame sequential
3D glasses sync
3D glasses sync	DLP-Link	DLP-Link
Light source
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Emitter
Emitter	—	Blue laser + phosphor
Light-source life
Light-source life	Up to 30,000 h max	30,000 h max
Optics
Throw ratio
Throw ratio	0.58:1	0.58:1
Image size
Image size	30–300 in	30–300 in
Projection offset
Projection offset	106%	100%
Zoom
Zoom	None	None
Focal length
Focal length	8.51 mm	8.51 mm
Aperture (f-number)
Aperture (f-number)	—	2.75
Focus
Focus	Manual	Manual
Vertical lens shift
Vertical lens shift	—	-100–110%
Horizontal lens shift
Horizontal lens shift	±4%	±4%
Motorised lens shift
Motorised lens shift	No	No
Vertical keystone
Vertical keystone	15°	15°
Horizontal keystone
Horizontal keystone	15°	15°
Auto keystone
Auto keystone	Yes	Yes
Corner correction
Corner correction	4-corner	4-corner
Interchangeable lens
Interchangeable lens	—	No
Motion & gaming
Input lag
Input lag	1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 240 Hz 4.4 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	4K UHD
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	Class 2
Control-system drivers
Control-system drivers	Crestron	Crestron, AMX
Horizontal scan
Horizontal scan	—	15–140 kHz
Vertical scan
Vertical scan	24–120 Hz	24–120 Hz
Smart platform
Wi-Fi
Wi-Fi	None	None
Ethernet
Ethernet	Yes	Yes
Audio
Speaker power
Speaker power	30 W	15 W
Speakers
Speakers	2	2
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	6,300 g
Colours
Colours	Black	Black
Orientations
Orientations	360°	Portrait, 360°
Ceiling mount
Ceiling mount	—	M4, screws ≥ 5 mm
Ingress protection
Ingress protection	IP6X	IP6X (light engine)
Sealed optical engine
Sealed optical engine	Yes	Yes
Environment & power
Operating temperature
Operating temperature	0–40°C	0–40°C
Operating humidity
Operating humidity	—	10–85%RH
Altitude
Altitude	—	High-altitude mode
Power draw
Power draw	Max 366 W · Eco 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)	Max 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	3 yr
User manual
User manual	https://region-resource.optoma.com/products/import/Documents/6faa2a33-4b9d-4130-82e6-94d79467557d.pdf	https://region-resource.optoma.com/products/import/Documents/80ae7bb1-53fa-45d2-b243-bbaeb215462c.pdf
In the box
In the box
In the box	Power cord, Remote, Remote batteries, User manual	Power cord, Remote, Remote batteries, User manual
Remote
Remote	Backlit	Backlit