Epson PowerLite L210W vs ViewSonic LS831WU

Epson PowerLite L210WEpson PowerLite L210W
MSRP $1,089
ViewSonic LS831WU
ViewSonic LS831WU
MSRP $2,500
Key differences
White light output4,500 lm ISO (Normal power)4,500 lm ANSI
Native resolutionWXGA (1280 × 800)WUXGA (1920 × 1200)
Throw ratio1.41–2.26:10.25:1
Fan noiseNormal 37 dB(A) · Eco 27 dB(A)—
PriceMSRP $1,089MSRP $2,500
Room fit
Distance to screen3.0–4.9 m0.54 m
Brightness
Rated brightness4,500 lmDerived4,500 lmDerived
White light output4,500 lm ISO (Normal power)4,500 lm ANSI
Colour light output4,500 lm (Normal power)—
Brightness by modeNormal 4,500 lm · Eco 3,100 lm—
Eco brightness69%Derived—
Display system
Imaging technology3LCDDLP
Chip / panel diagonal0.59 in—
On-screen resolutionWXGA (1280 × 800)DerivedWUXGA (1920 × 1200)Derived
Native resolutionWXGA (1280 × 800)WUXGA (1920 × 1200)
Native aspect16:10Derived16:10Derived
Contrast
Dynamic contrastOver 2,500,000:13,000,000:1
Calibration
Picture mode memories—2
3D
3D—Yes
3D formats—Frame packing, Side-by-side, Top-bottom, Frame sequential
Light source
Light sourceLaser (phosphor)Laser (phosphor)
EmitterBlue laser + phosphorBlue laser + phosphor
Light-source life20,000 h normal · 30,000 h eco20,000 h
Life defined as50% brightness—
Light output controlContinuous—
Warm-up time30 s—
Optics
Throw ratio1.41–2.26:10.25:1
Image size30–300 in70–200 in
ZoomOpticalNone
Zoom ratio1.6×Derived—
Focal length18.2–29.1 mm—
Aperture (f-number)1.51–1.77—
FocusManualManual
AutofocusNo—
Vertical lens shiftNoneNone
Horizontal lens shiftNoneNone
Vertical keystone30°5°
Horizontal keystone30°5°
Auto keystoneNo—
Corner correction—4-corner
Grid warpYes—
Interchangeable lens—No
Inputs & control
HDMI inputs2 × HDMI (HDCP 2.3)2 × HDMI 2.0 (HDCP 2.2)
HDMI inputs (count)2Derived2Derived
Newest HDMI version—HDMI 2.0Derived
Other video inputsVGAVGA, + Composite, + HDBaseT
Max input resolutionDCI 4K4K UHD
Audio inputs3.5 mm, RCA, + Microphone3.5 mm, RCA
USB media playbackYes—
Control portsRS-232RS-232, + 12 V trigger
Control-system driversCrestronCrestron, + AMX
Horizontal scan—15–102 kHz
Vertical scan—23–120 Hz
Smart platform
Wi-FiWi-Fi 5—
EthernetYesYes
CastingMiracast—
Audio
Speaker power16 W20 W
Speakers—2
LayoutMonoStereo
Audio outputs3.5 mm3.5 mm
HDMI audio returnNoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)325 × 299 × 90 mm492 × 387 × 157 mm
Weight4,200 g9,900 g
OrientationsTable, Ceiling, Rear, + Portrait, + 360°Table, Ceiling, Rear
Ceiling mount9 × M4, 9 mm screwsM4, 12.8–15.8 mm screws
Dust filterReplaceable—
Environment & power
Operating temperature0–40°C0–40°C
Operating humidity20–80%RH10–90%RH
Altitude3,048 m · high-altitude mode3,000 m · high-altitude mode
Power drawMax 272 W · Normal 272 W · Eco 208 W504 W
Standby0.5 WUp to 0.5 W
Networked standby2 W—
Mains input100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Noise
Fan noiseNormal 37 dB(A) · Eco 27 dB(A)—
Safety & compliance
Laser classClass 1Class 1
Risk groupRG2—
MarksFCC, + ULFCC
Support & ownership
Warranty3 yr3 yr
User manualhttps://files.support.epson.com/docid/cpd6/cpd63079.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS831WU/LS831WU_UG_ENG.pdf
Spare partsAir filter V13H134A60—
In the box
In the boxPower cord, Remote, + Remote batteries, + HDMI cablePower cord, Remote, + Quick start guide, + VGA cable
Remote—IR