Optoma ML1080UST vs Optoma ML750i

Optoma ML1080UST is sharper. Optoma ML750i is better for gaming, quieter and lighter.

	Optoma ML1080UST$785 · Amazon Buy	Optoma ML750i$749 · Amazon Buy

Key differences
White light output
White light output	650 lm ISO	450 lm ANSI
Native resolution
Native resolution	1080p (1920 × 1080)	WXGA (1280 × 800)
Throw ratio
Throw ratio	0.18:1	1.5:1
Lowest input lag
Lowest input lag	27 msDerived	16.6 msDerived
HDR formats
HDR formats	HDR10, HLG	—
Light source
Light source	RGB triple laser	LED
Fan noise
Fan noise	Normal 35 dB(A) · Eco 30 dB(A)	Normal 32 dB(A) · Eco 29 dB(A)
MSRP
MSRP	$1,199	—
Best price
Best price	$785	$749
Room fit80″100″120″150″
Distance to screen
Distance to screen	0.40 m	3.2 m
Picture
White light output
White light output	650 lm ISO	450 lm ANSI
Claimed brightness (non-standard)
Claimed brightness (non-standard)	1,200 lm	700 lm
Brightness uniformity
Brightness uniformity	90%	85%
Brightness by mode
Brightness by mode	Max 600 lm · Normal 500 lm · Eco 400 lm	—
Eco brightness
Eco brightness	67%Derived	—
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.23 in	—
Native resolution
Native resolution	1080p (1920 × 1080)	WXGA (1280 × 800)
Native aspect
Native aspect	16:9Derived	16:10Derived
Dynamic contrast
Dynamic contrast	2,500,000:1	20,000:1
Colour gamut
Colour gamut	BT.2020 110% area	—
HDR formats
HDR formats	HDR10, HLG	—
3D
3D	No	Yes
Light source
Light source
Light source	RGB triple laser	LED
Emitter
Emitter	—	RGB LED
Light-source life
Light-source life	20,000 h eco	20,000 h
Optics
Throw ratio
Throw ratio	0.18:1	1.5:1
Image size
Image size	60–100 in	17–100 in
Projection offset
Projection offset	135%	100%
Zoom
Zoom	Digital	None
Focal length
Focal length	0.91 mm	14.95 mm
Aperture (f-number)
Aperture (f-number)	2.1	1.9
Focus
Focus	Motorised	Manual
Autofocus
Autofocus	Yes	No
Autofocus runs
Autofocus runs	When moved	—
Vertical lens shift
Vertical lens shift	None	None
Horizontal lens shift
Horizontal lens shift	None	—
Vertical keystone
Vertical keystone	5°	40°
Horizontal keystone
Horizontal keystone	10°	—
Auto keystone
Auto keystone	Yes	Yes
Interchangeable lens
Interchangeable lens	—	No
Motion & gaming
Input lag
Input lag	1080p: 60 Hz 27 ms	1080p: 60 Hz 16.6 ms
Inputs & control
HDMI inputs
HDMI inputs	HDMI 2.0	HDMI 1.4
Other video inputs
Other video inputs	None	—
Max input resolution
Max input resolution	4K UHD	1080p
USB media playback
USB media playback	Yes	Yes
Control ports
Control ports	—	RS-232
Horizontal scan
Horizontal scan	15–135 kHz	15.38–91.15 kHz
Vertical scan
Vertical scan	24–60 Hz	24–85 Hz
Smart platform
Ethernet
Ethernet	Yes	—
Smart platform
Smart platform	Google TV	Android (uncertified)
Netflix
Netflix	Built in	—
Casting
Casting	Chromecast built-in	—
Audio
Speaker power
Speaker power	20 W	2 W
Speakers
Speakers	2	1
Layout
Layout	Stereo	Mono
Audio formats
Audio formats	Dolby Audio	—
Audio outputs
Audio outputs	Bluetooth	3.5 mm
HDMI audio return
HDMI audio return	NoneDerived	NoneDerived
Bluetooth speaker mode
Bluetooth speaker mode	Yes	—
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	252 × 157 × 65 mm	105 × 106 × 39 mm
Weight
Weight	1,700 g	425 g
Orientations
Orientations	Table, Ceiling, Rear	Table, Ceiling, Rear
Tripod socket
Tripod socket	—	Yes
Environment & power
Operating temperature
Operating temperature	0–40°C	0–40°C
Operating humidity
Operating humidity	10–80%RH	10–80%RH
Altitude
Altitude	762 m	2,500 m
Power draw
Power draw	Normal 85 W · Eco 60 W	Max 67 W · Normal 60 W · Eco 25 W
Standby
Standby	Up to 0.5 W	0.5 W
Power supply
Power supply	USB-C	External adapter
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
USB-C PD in
USB-C PD in	100 W	—
Battery
Battery	164 Wh	—
Battery runtime
Battery runtime	90 min	—
Fan noise
Fan noise	Normal 35 dB(A) · Eco 30 dB(A)	Normal 32 dB(A) · Eco 29 dB(A)
Safety & support
Marks
Marks	FCC	FCC
Warranty
Warranty	1 yr	1 yr (light source 5 yr or 12,000 h)
User manual
User manual	https://region-resource.optoma.com/products/documents/0baJeD53jzBvx11dE1IJr8YYc8pUhzikUShMOgjZ.pdf	https://region-resource.optoma.com/products/import/Documents/1879f1af-9587-4088-a150-cad4681dca36.pdf
In the box
In the box
In the box	Power cord, Power adapter, Remote, Remote batteries, Quick start guide	Power cord, Remote, Remote batteries, Quick start guide, Carry case
Remote
Remote	IR	IR

Optoma ML1080UST$785 · Amazon

Buy

Optoma ML750i$749 · Amazon

Buy