ProjectorDB

BenQ AH700ST vs ViewSonic LSD400HD-ST

BenQ AH700STBenQ AH700ST
MSRP $2,299
ViewSonic LSD400HD-STViewSonic LSD400HD-ST
$1,088.25
Key differences
Throw ratio0.69–0.83:10.49–0.5:1
Lowest input lag16.7 msDerived—
Fan noiseNormal 32 dB(A) · Eco 29 dB(A)Normal 32 dB(A) · Eco 27 dB(A)
PriceMSRP $2,299$1,088.25
Room fit
Distance to screen1.5–1.8 m1.1 m
Brightness
Rated brightness4,000 lmDerived4,000 lmDerived
White light outputANSI4,000 lm ANSI4,000 lm ANSI
Claimed brightness (non-standard)—4,800 lm
Display system
Imaging technologyDLPDLP
Chip / panel diagonal0.65 in0.65 in
On-screen resolution1080p (1920 × 1080)Derived1080p (1920 × 1080)Derived
Native resolution1080p (1920 × 1080)1080p (1920 × 1080)
Native aspect16:9Derived16:9Derived
Contrast
Dynamic contrast3,000,000:13,000,000:1
Colour
Colour gamutRec. 709 95% coverage—
Colour bit depth (per channel)10 bit10 bit
Gamma / EOTF presets2.2, 2.4, 2.6—
HDR
HDR formatsHDR10, HLGHDR10, HLG
Calibration
Colour management (CMS)6-axis—
Picture mode memories2—
3D
3DYesYes
3D formatsFrame packing, Side-by-side, Top-bottom, + Frame sequentialFrame packing, Side-by-side, Top-bottom
3D glasses sync—DLP-Link
Light source
Light sourceLaser (phosphor)Laser (phosphor)
Emitter—Blue laser + phosphor
Light-source life20,000 h normal · 30,000 h eco20,000 h normal · 30,000 h eco
Warm-up time10 s—
Optics
Throw ratio0.69–0.83:10.49–0.5:1
Image size60–120 in40–300 in
Projection offset103%132%
ZoomOpticalNone
Zoom ratio1.2×Derived—
Focal length10.2–12.24 mm7.51 mm
Aperture (f-number)2.53–2.732.8
FocusMotorisedManual
AutofocusYesNo
Vertical lens shiftNone—
Horizontal lens shiftNone—
Vertical keystone30°15°
Horizontal keystone30°15°
Corner correction4-corner4-corner
Auto setupFit to screen—
Motion & gaming
Max input refresh1080p: 120 Hz—
Max refresh at 1080p120 HzDerived—
Input lag1080p: 60 Hz 33.4 ms · 120 Hz 16.7 ms—
Lowest input lag16.7 msDerived—
Inputs & control
HDMI inputsHDMI 2.0 (HDCP 2.2) · HDMI 2.0 (eARC, HDCP 2.2)2 × HDMI 2.0 (HDCP 2.2)
HDMI inputs (count)2Derived2Derived
Newest HDMI versionHDMI 2.0DerivedHDMI 2.0Derived
Other video inputsUSB-C (DisplayPort)—
Max input resolution4K UHD4K UHD
Control portsRS-232RS-232
Control-system drivers—Crestron
Horizontal scan15–135 kHz15–135 kHz
Vertical scan23–120 Hz24–120 Hz
Smart platform
Ethernet—Yes
Audio
Speaker power10 W15 W
Speakers11
LayoutMono—
Audio outputs3.5 mm, + HDMI eARC3.5 mm
HDMI audio returneARCDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)304 × 235 × 112 mm286 × 216 × 129 mm
Weight3,300 g3,100 g
OrientationsTable, Ceiling, RearTable, Ceiling, Rear, + Portrait, + 360°
Ceiling mountM4, 20–25 mm screws—
Dust filterNoneNone
Ingress protectionIP5X (light engine)IP6X
Sealed optical engineYesYes
Environment & power
Operating temperature0–40°C0–40°C
Operating humidity10–90%RH10–80%RH
Altitude3,000 m · high-altitude mode3,658 m · high-altitude mode
Power drawMax 320 W · Normal 192 W · Eco 136 W143 W
StandbyUp to 0.5 WUp to 0.5 W
Power supply—External adapter
Mains input100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Noise
Fan noiseNormal 32 dB(A) · Eco 29 dB(A)Normal 32 dB(A) · Eco 27 dB(A)
Safety & compliance
Laser classClass 1Class 1
Risk groupRG2RG2
Marks—CE, FCC
Support & ownership
Warranty3 yr3 yr
User manualhttps://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20CONSUMER/UserManual/AH700ST/AH700ST_UM_EN_241202095702.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/projector/LSD400HD-ST/LSD400HD-ST_UG_ENG.pdf
In the box
In the boxPower cord, Remote, Remote batteries, Quick start guide, + Warranty cardPower cord, + Power adapter, Remote, Remote batteries, Quick start guide
RemoteIRIR