BenQ LH830ST vs InFocus IN1108SL

BenQ LH830ST is quieter and in stock. InFocus IN1108SL is lighter.

	BenQ LH830ST$1,999.99 · Amazon Buy	InFocus IN1108SL

Key differences
White light output
White light output	4,000 lm ANSI	—
Throw ratio
Throw ratio	0.5:1	1.48–1.62:1
Lowest input lag
Lowest input lag	16.7 msDerived	—
HDR formats
HDR formats	HDR10, HLG	—
Fan noise
Fan noise	Normal 30 dB(A) · Eco 24 dB(A)	Normal 34 dB(A) · Eco 29 dB(A)
MSRP
MSRP	$1,999	—
Best price
Best price	$1,999.99	—
Room fit80″100″120″150″
Distance to screen
Distance to screen	1.1 m	3.3–3.6 m
Picture
White light output
White light output	4,000 lm ANSI	—
Claimed brightness (non-standard)
Claimed brightness (non-standard)	—	4,300 lm
Brightness uniformity
Brightness uniformity	—	80%
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.65 in	—
Native resolution
Native resolution	1080p (1920 × 1080)	1080p (1920 × 1080)
Native aspect
Native aspect	16:9Derived	16:9Derived
Dynamic contrast
Dynamic contrast	3,000,000:1	—
Colour gamut
Colour gamut	Rec. 709 93% coverage	—
Colour bit depth (per channel)
Colour bit depth (per channel)	10 bit	10 bit
HDR formats
HDR formats	HDR10, HLG	—
3D
3D	—	Yes
Light source
Light source
Light source	Laser (phosphor)	Laser (phosphor)
Light engine
Light engine	—	Quantum Laser
Light-source life
Light-source life	20,000 h normal · 30,000 h eco	30,000 h max
Optics
Throw ratio
Throw ratio	0.5:1	1.48–1.62:1
Image size
Image size	70–300 in	—
Projection offset
Projection offset	116%	116%
Zoom
Zoom	None	Optical
Zoom ratio
Zoom ratio	—	1.09×Derived
Focal length
Focal length	17.51 mm	21.86–24 mm
Aperture (f-number)
Aperture (f-number)	2.8	2.5–2.67
Focus
Focus	—	Manual
Vertical lens shift
Vertical lens shift	—	None
Horizontal lens shift
Horizontal lens shift	—	None
Vertical keystone
Vertical keystone	30°	30°
Horizontal keystone
Horizontal keystone	30°	30°
Auto keystone
Auto keystone	Yes	Yes
Corner correction
Corner correction	4-corner	—
Motion & gaming
Input lag
Input lag	1080p: 60 Hz 16.7 ms	—
Inputs & control
HDMI inputs
HDMI inputs	2 × HDMI 2.0 (HDCP 2.2)	2 × HDMI 2.0
Max input resolution
Max input resolution	4K UHD	4K UHD
Control ports
Control ports	RS-232	RS-232
Horizontal scan
Horizontal scan	15–135 kHz	15–135 kHz
Vertical scan
Vertical scan	23–120 Hz	23–120 Hz
Smart platform
Ethernet
Ethernet	Yes	—
Audio
Speaker power
Speaker power	15 W	15 W
Speakers
Speakers	1	—
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)	279 × 229 × 121 mm	278 × 216 × 115 mm
Weight
Weight	3,400 g	2,800 g
Orientations
Orientations	Table, Ceiling, Rear	Portrait, 360°
Ceiling mount
Ceiling mount	M4	—
Dust filter
Dust filter	—	None
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	10–80%RH	10–80%RH
Altitude
Altitude	3,000 m · high-altitude mode	3,048 m
Power draw
Power draw	Max 250 W · Normal 230 W · Eco 130 W	Max 170 W
Standby
Standby	Up to 0.5 W	Up to 0.5 W
Networked standby
Networked standby	Up to 2 W	—
Mains input
Mains input	100–240 V · 50/60 Hz	—
Fan noise
Fan noise	Normal 30 dB(A) · Eco 24 dB(A)	Normal 34 dB(A) · Eco 29 dB(A)
Safety & support
Laser class
Laser class	Class 1	Class 1
Risk group
Risk group	RG2	RG2
Marks
Marks	—	CE
Warranty
Warranty	3 yr	—
User manual
User manual	https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LH830ST/UM_EN_251023092502.pdf	https://cdn.infocus.com/2026/07/IN1106SL_1108SL_1108ST_UG_EN_v1.pdf
In the box
In the box
In the box	Power cord, Power adapter, Remote, Remote batteries, Quick start guide, Warranty card	Power cord, Power adapter, Remote, Quick start guide, HDMI cable, Lens cap
Remote
Remote	—	IR

BenQ LH830ST$1,999.99 · Amazon

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InFocus IN1108SL