ProjectorDB

BenQ LH830ST vs Christie LW401

BenQ LH830STBenQ LH830ST
MSRP $1,999
Christie LW401
Christie LW401
$1,699.99
Key differences
Native resolution1080p (1920 × 1080)WXGA (1280 × 800)
Throw ratio0.5:11.5–2.2:1
Lowest input lag16.7 msDerived—
HDR formatsHDR10, HLG—
Light sourceLaser (phosphor)Lamp
Fan noiseNormal 30 dB(A) · Eco 24 dB(A)Normal 35 dB(A) · Eco 29 dB(A)
PriceMSRP $1,999$1,699.99
Room fit
Distance to screen1.1 m3.2–4.7 m
Brightness
Rated brightness4,000 lmDerived4,000 lmDerived
White light outputANSI4,000 lm ANSI4,000 lm ANSI
Display system
Imaging technologyDLP3LCD
Chip / panel diagonal0.65 in0.59 in
On-screen resolution1080p (1920 × 1080)DerivedWXGA (1280 × 800)Derived
Native resolution1080p (1920 × 1080)WXGA (1280 × 800)
Native aspect16:9Derived16:10Derived
Contrast
Dynamic contrast3,000,000:13,000:1
Dynamic contrast method—Dynamic iris
Colour
Colour gamutRec. 709 93% coverage—
Colour bit depth (per channel)10 bit—
HDR
HDR formatsHDR10, HLG—
Calibration
Picture mode memories—4
Light source
Light sourceLaser (phosphor)Lamp
Lamp power—245 W
Light-source life20,000 h normal · 30,000 h eco2,500 h normal · 4,000 h eco
Optics
Throw ratio0.5:11.5–2.2:1
Image size70–300 in30–600 in
Projection offset116%—
ZoomNoneOptical
Zoom ratio—1.47×Derived
Focal length17.51 mm—
Aperture (f-number)2.8—
Focus—Motorised
Vertical lens shift—-45–155%
Horizontal lens shift—±105%
Motorised lens shift—Yes
Lens memory slots—3
Vertical keystone30°12°
Horizontal keystone30°20°
Auto keystoneYesYes
Corner correction4-corner8-point
Interchangeable lens—Yes
Motion & gaming
Input lag1080p: 60 Hz 16.7 ms—
Lowest input lag16.7 msDerived—
Inputs & control
HDMI inputs2 × HDMI 2.0 (HDCP 2.2)2 × HDMI
HDMI inputs (count)2Derived2Derived
Newest HDMI versionHDMI 2.0Derived—
Other video inputs—VGA
Max input resolution4K UHD1600 × 1200
Audio inputs—3.5 mm, RCA
USB media playback—Yes
Control portsRS-232RS-232
Control-system drivers—Crestron
Horizontal scan15–135 kHz15–106 kHz
Vertical scan23–120 Hz56–120 Hz
Smart platform
EthernetYesYes
Audio
Speaker power15 W16 W
Speakers12
Layout—Stereo
Audio outputs3.5 mm—
HDMI audio returnNoneDerived—
Physical & installation
Dimensions (W × D × H)279 × 229 × 121 mm498 × 476 × 147 mm
Weight3,400 g8,500 g
OrientationsTable, Ceiling, RearTable, Ceiling, Rear
Ceiling mountM4—
Ingress protectionIP6X (light engine)—
Sealed optical engineYes—
Environment & power
Operating temperature0–40°C0–40°C
Operating humidity10–80%RH10–85%RH
Altitude3,000 m · high-altitude mode3,048 m · high-altitude mode
Power drawMax 250 W · Normal 230 W · Eco 130 WMax 375 W
StandbyUp to 0.5 WUp to 0.35 W
Networked standbyUp 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 35 dB(A) · Eco 29 dB(A)
Safety & compliance
Laser classClass 1—
Risk groupRG2—
Marks—CE, FCC, UL, CCC
Support & ownership
Warranty3 yr3 yr (light source 1 yr or 500 h)
User manualhttps://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LH830ST/UM_EN_251023092502.pdfhttps://www.christiedigital.com/globalassets/resources/public/020-000461-02-christie-lit-man-usr-d1.pdf
In the box
In the boxPower cord, + Power adapter, Remote, Remote batteries, + Quick start guide, + Warranty cardPower cord, Remote, Remote batteries, + User manual, + HDMI cable, + VGA cable, + Lens cap
Remote—IR