ProjectorDB

BenQ LH830ST vs BenQ MX731

BenQ LH830STBenQ LH830ST
MSRP $1,999
BenQ MX731BenQ MX731
MSRP $599
Key differences
White light outputANSI4,000 lm ANSI4,000 lm ISO · 4,000 lm ANSI
Native resolution1080p (1920 × 1080)1024 × 768
Throw ratio0.5:11.51–1.97:1
Lowest input lag16.7 msDerived33.4 msDerived
HDR formatsHDR10, HLG—
Light sourceLaser (phosphor)Lamp
Fan noiseNormal 30 dB(A) · Eco 24 dB(A)Normal 33 dB(A) · Eco 29 dB(A)
PriceMSRP $1,999MSRP $599
Room fit
Distance to screen1.1 m3.1–4.0 m
Brightness
Rated brightness4,000 lmDerived4,000 lmDerived
White light outputANSI4,000 lm ANSI4,000 lm ISO · 4,000 lm ANSI
Display system
Imaging technologyDLPDLP
Chip / panel diagonal0.65 in0.55 in
On-screen resolution1080p (1920 × 1080)Derived1024 × 768Derived
Native resolution1080p (1920 × 1080)1024 × 768
Native aspect16:9Derived4:3Derived
Contrast
Dynamic contrast3,000,000:120,000:1
Colour
Colour gamutRec. 709 93% coverage—
Colour bit depth (per channel)10 bit10 bit
HDR
HDR formatsHDR10, HLG—
Calibration
Colour management (CMS)—6-axis
Picture mode memories—2
3D
3D—Yes
3D formats—Frame packing, Side-by-side, Top-bottom, Frame sequential
Light source
Light sourceLaser (phosphor)Lamp
Lamp power—240 W
Replacement lamp—5J.JGR05.001
Light-source life20,000 h normal · 30,000 h eco4,000 h normal · 8,000 h eco · 15,000 h super eco · 8,000 h dynamic
Warm-up time—30 s
Cool-down time—90 s
Optics
Throw ratio0.5:11.51–1.97:1
Image size70–300 in30–300 in
Projection offset116%108%
ZoomNoneOptical
Zoom ratio—1.3×Derived
Focal length17.51 mm16.88–21.88 mm
Aperture (f-number)2.82.59–2.87
Focus—Manual
Autofocus—No
Vertical lens shift—None
Horizontal lens shift—None
Vertical keystone30°30°
Horizontal keystone30°25°
Auto keystoneYesYes
Corner correction4-corner4-corner
Interchangeable lens—No
Lens material—Glass
Motion & gaming
Max input refresh—1024 × 768: 120 Hz
Input lag1080p: 60 Hz 16.7 ms1080p: 60 Hz 33.4 ms
Lowest input lag16.7 msDerived33.4 msDerived
Inputs & control
HDMI inputs2 × HDMI 2.0 (HDCP 2.2)2 × HDMI 1.4 (HDCP 1.4)
HDMI inputs (count)2Derived2Derived
Newest HDMI versionHDMI 2.0DerivedHDMI 1.4Derived
Other video inputs—VGA, Component
Max input resolution4K UHDWUXGA
Audio inputs—3.5 mm
USB media playback—Yes
Control portsRS-232RS-232
Control-system drivers—Crestron, AMX
Horizontal scan15–135 kHz15–102 kHz
Vertical scan23–120 Hz23–120 Hz
Smart platform
EthernetYesYes
Audio
Speaker power15 W10 W
Speakers11
Layout—Mono
Audio outputs3.5 mm3.5 mm
HDMI audio returnNoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)279 × 229 × 121 mm296 × 221 × 120 mm
Weight3,400 g2,500 g
Colours—White
OrientationsTable, Ceiling, RearTable, Ceiling, Rear
Ceiling mountM4M4, 20–25 mm screws
Ingress protectionIP6X (light engine)—
Sealed optical engineYes—
Environment & power
Operating temperature0–40°C0–40°C
Operating humidity10–80%RH10–90%RH
Altitude3,000 m · high-altitude mode3,000 m · high-altitude mode
Power drawMax 250 W · Normal 230 W · Eco 130 WMax 355 W · Normal 320 W
StandbyUp to 0.5 WUp to 0.5 W
Networked standbyUp to 2 WUp to 2 W
Mains input100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Noise
Fan noiseNormal 30 dB(A) · Eco 24 dB(A)Normal 33 dB(A) · Eco 29 dB(A)
Safety & compliance
Laser classClass 1—
Risk groupRG2—
Support & ownership
Warranty3 yr🇺🇸 US 3 yr · 🇪🇺 EU 3 yr
User manualhttps://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LH830ST/UM_EN_251023092502.pdfhttps://esupportdownload.benq.com/esupport/Projector/UserManual/MH733/UM_EN_180423134229.pdf
Spare parts—Lamp 5J.JGR05.001
In the box
In the boxPower cord, + Power adapter, Remote, Remote batteries, Quick start guide, Warranty cardPower cord, Remote, Remote batteries, Quick start guide, + User manual, Warranty card, + VGA cable, + Lens cap
Remote—IR