Epson PowerLite L790SE vs Optoma ZK608TST

Epson PowerLite L790SE is $2,650 cheaper. Optoma ZK608TST is lighter.

	Epson PowerLite L790SEMSRP $6,349	Optoma ZK608TSTMSRP $8,999

Key differences
White light output
White light output	7,000 lm ISO	—
Native resolution
Native resolution	WUXGA (1920 × 1200)	—
Throw ratio
Throw ratio	0.79–1.36:1	0.58:1
Lowest input lag
Lowest input lag	—	4.36 msDerived
HDR formats
HDR formats	—	HDR10, HLG
Fan noise
Fan noise	Normal 36 dB(A) · Eco 26 dB(A)	Max 36 dB(A) · Eco 33 dB(A)
MSRP
MSRP	$6,349	$8,999
Room fit80″100″120″150″
Distance to screen
Distance to screen	1.7–2.9 m	1.3 m
Picture
White light output
White light output	7,000 lm ISO	—
Colour light output
Colour light output	7,000 lm	—
Claimed brightness (non-standard)
Claimed brightness (non-standard)	—	6,000 lm
Brightness uniformity
Brightness uniformity	88%	85%
Imaging technology
Imaging technology	3LCD	DLP
Chip / panel diagonal
Chip / panel diagonal	0.67 in	0.65 in
Native resolution
Native resolution	WUXGA (1920 × 1200)	—
Native aspect
Native aspect	16:10Derived	16:9Derived
Pixel shift
Pixel shift	Yes (scheme not stated)	—
Addressable resolution
Addressable resolution	—	4K UHD (3840 × 2160)
Dynamic contrast
Dynamic contrast	Up to 5,000,000:1	300,000:1
HDR formats
HDR formats	—	HDR10, HLG
3D
3D	—	Yes
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 normal · 30,000 h eco	Up to 30,000 h max
Life defined as
Life defined as	50% brightness	—
Light output control
Light output control	Continuous	—
Optics
Throw ratio
Throw ratio	0.79–1.36:1	0.58:1
Image size
Image size	60–400 in	30–300 in
Projection offset
Projection offset	—	106%
Zoom
Zoom	Optical	None
Zoom ratio
Zoom ratio	1.72×Derived	—
Focal length
Focal length	11.6–19.9 mm	8.51 mm
Aperture (f-number)
Aperture (f-number)	1.7–2.1	—
Focus
Focus	Manual	Manual
Vertical lens shift
Vertical lens shift	±50%	—
Horizontal lens shift
Horizontal lens shift	±20%	±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
Corner correction
Corner correction	—	4-corner
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
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI (HDCP 2.3)	2 × HDMI 2.0
Other video inputs
Other video inputs	HDBaseT	VGA, HDBaseT
Max input resolution
Max input resolution	—	DCI 4K
Audio inputs
Audio inputs	—	3.5 mm
USB media playback
USB media playback	Yes	—
Control ports
Control ports	RS-232	RS-232, 12 V trigger
PJLink
PJLink	Class 2	Class 2
Control-system drivers
Control-system drivers	Control4, Crestron, AMX	Crestron
Horizontal scan
Horizontal scan	26–135 kHz	—
Vertical scan
Vertical scan	23.98–60 Hz	24–120 Hz
Smart platform
Wi-Fi
Wi-Fi	Wi-Fi 6	None
Ethernet
Ethernet	Yes	Yes
Casting
Casting	AirPlay 2, Miracast	—
Audio
Speaker power
Speaker power	10 W	30 W
Speakers
Speakers	1	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)	440 × 304 × 122 mm	374 × 302 × 117 mm
Weight
Weight	9,298 g	6,300 g
Colours
Colours	White	Black
Orientations
Orientations	Table, Ceiling, Rear, 360°	360°
Ceiling mount
Ceiling mount	4 × M4, screws ≤ 9 mm, 100 × 100 mm spacing	—
Dust filter
Dust filter	Replaceable	—
Ingress protection
Ingress protection	—	IP6X
Sealed optical engine
Sealed optical engine	—	Yes
Environment & power
Operating temperature
Operating temperature	0–45°C	0–40°C
Operating humidity
Operating humidity	20–80%RH	—
Altitude
Altitude	3,048 m	—
Power draw
Power draw	470 W	Max 366 W · Eco 300 W
Standby
Standby	0.3 W	Up to 0.5 W
Networked standby
Networked standby	2.4 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 26 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	FCC
Warranty
Warranty	🇺🇸 US 3 yr · 🇨🇦 CA 3 yr	3 yr
User manual
User manual	https://download2.ebz.epson.net/sec_pubs_visual/eai/projectors/pdf/useg/EN/UsersGuide_EBL890E_EN_EAI.pdf	https://region-resource.optoma.com/products/import/Documents/6faa2a33-4b9d-4130-82e6-94d79467557d.pdf
Spare parts
Spare parts	Air filter V13H134AF0 · Mount V12H809001 · Mount V12H808001	—
In the box
In the box
In the box	Power cord, Remote, Remote batteries, Quick start guide	Power cord, Remote, Remote batteries, User manual
Remote
Remote	—	Backlit