ProjectorDB

BenQ LK830ST vs ViewSonic LS832WU

BenQ LK830ST is $200 cheaper, quieter and lighter. ViewSonic LS832WU is brighter and sharper.

BenQ LK830ST$2,599 · Amazon
Buy
ViewSonic LS832WUMSRP $2,799
Key differences
White light outputANSI
4,000 lm ANSI5,000 lm ANSI
Native resolution
1080p (1920 × 1080)WUXGA (1920 × 1200)
Throw ratio
0.5:10.25:1
Lowest input lag
4.2 msDerived—
Fan noise
Normal 30 dB(A) · Eco 24 dB(A)Normal 34 dB(A) · Eco 28 dB(A)
MSRP
$2,499$2,799
Best price
$2,599—
Room fit
Distance to screen
1.1 m0.54 m
Picture
White light outputANSI
4,000 lm ANSI5,000 lm ANSI
Claimed brightness (non-standard)
—6,000 lm (peak)
Imaging technology
DLPDLP
Chip / panel diagonal
0.65 in0.67 in
Native resolution
1080p (1920 × 1080)WUXGA (1920 × 1200)
Native aspect
16:9Derived16:10Derived
Pixel shift
XPR 4-way—
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
3,000,000:13,000,000:1
Dynamic contrast method
—Light-source dimming
Colour gamut
Rec. 709 93% coverage—
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
2.2, 2.4, 2.6—
HDR formats
HDR10, HLGHDR10, HLG
Tone mapping
Adjustable—
Colour management (CMS)
6-axis6-axis
Picture mode memories
2—
3D
YesYes
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequential—
3D glasses sync
—DLP-Link
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
—Blue laser + phosphor
Light-source life
20,000 h normal · 30,000 h eco20,000 h normal · 30,000 h eco
Light output control
Continuous—
Optics
Throw ratio
0.5:10.25:1
Image size
70–300 in80–170 in
Projection offset
114%133%
Zoom
DigitalDigital
Focal length
17.51 mm3.7 mm
Aperture (f-number)
2.82.44
Focus
ManualManual
Autofocus
—No
Vertical lens shift
NoneNone
Horizontal lens shift
None—
Vertical keystone
30°10°
Horizontal keystone
30°10°
Auto keystone
Yes—
Corner correction
4-corner4-corner
Grid warp
Yes—
Interchangeable lens
No—
Motion & gaming
Max input refresh
1080p: 120 Hz · 240 Hz · 4K UHD: 60 Hz—
Input lag
1080p: 60 Hz 16.7 ms · 120 Hz 8.3 ms · 240 Hz 4.2 ms · 4K UHD: 60 Hz 16.7 ms—
Inputs & control
HDMI inputs
2 × HDMI 2.0 (HDCP 2.2)2 × HDMI 2.0 (HDCP 2.2)
Other video inputs
—VGA
Max input resolution
4K UHD4K UHD
Audio inputs
—3.5 mm, Microphone
Control ports
RS-232RS-232
Control-system drivers
AMXCrestron, AMX
Horizontal scan
15–135 kHz15–91 kHz
Vertical scan
23–240 Hz24–85 Hz
Smart platform
Wi-Fi
None—
Ethernet
YesYes
Audio
Speaker power
15 W10 W
Speakers
11
Layout
MonoMono
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
279 × 229 × 121 mm382 × 318 × 132 mm
Weight
3,600 g5,800 g
Colours
Black—
Orientations
Ceiling, RearTable, Ceiling, Rear
Ceiling mount
M4M4, screws ≤ 10 mm
Ingress protection
IP6X (light engine)IP5X (light engine)
Sealed optical engine
YesYes
Environment & power
Operating temperature
0–40°C5–40°C
Operating humidity
10–80%RH10–85%RH
Altitude
3,000 m · high-altitude mode3,048 m
Power draw
Max 250 W · Normal 230 W · Eco 130 W328 W
Standby
Up to 0.5 WUp to 0.5 W
Networked standby
Up to 2 W—
Power supply
External adapter—
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
DC input
24 V—
Fan noise
Normal 30 dB(A) · Eco 24 dB(A)Normal 34 dB(A) · Eco 28 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
Marks
—CE, FCC
Warranty
3 yr3 yr
User manual
https://www.audiogeneral.com/BenQ/LK830ST/LK830ST_LH830ST_LW830ST_User_Manual.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/projector/LS832WU/LS832WU_UG_ENG.pdf
In the box
In the box
Power cord, Power adapter, Remote, Remote batteries, Quick start guide, Warranty cardPower cord, Remote, Remote batteries, Quick start guide
Remote
BacklitIR
BenQ LK830ST$2,599 · Amazon
Buy
ViewSonic LS832WUMSRP $2,799