ProjectorDB

Epson PowerLite 685W vs NEC NP-UM351W

Epson PowerLite 685W
Epson PowerLite 685W
MSRP $1,390
NEC NP-UM351W
NEC NP-UM351W
Key differences
White light outputISO3,500 lm ISO (Normal power)3,500 lm ISO
Throw ratio0.28–0.37:10.36:1
Fan noiseNormal 35 dB(A) · Eco 30 dB(A)Max 37 dB(A) · Normal 29 dB(A) · Eco 28 dB(A)
PriceMSRP $1,390—
Room fit
Distance to screen0.60–0.80 m0.78 m
Brightness
Rated brightness3,500 lmDerived3,500 lmDerived
White light outputISO3,500 lm ISO (Normal power)3,500 lm ISO
Colour light output3,500 lm (Normal power)—
Brightness by modeNormal 3,500 lm · Eco 2,900 lm—
Eco brightness83%Derived—
Display system
Imaging technology3LCD3LCD
Chip / panel diagonal—0.59 in
On-screen resolutionWXGA (1280 × 800)DerivedWXGA (1280 × 800)Derived
Native resolutionWXGA (1280 × 800)WXGA (1280 × 800)
Native aspect16:10Derived16:10Derived
Contrast
Dynamic contrastUp to 14,000:14,000:1
Dynamic contrast methodDynamic irisDynamic iris
Colour
Colour bit depth (per channel)10 bit10 bit
Calibration
Picture mode memories—7
Light source
Light sourceLampLamp
Lamp power250 W255 W
Replacement lampELPLP91—
Light-source life5,000 h normal · 10,000 h eco3,800 h max · 5,000 h normal · 6,000 h eco
Warm-up time—6 s
Cool-down time0 s0 s
Optics
Throw ratio0.28–0.37:10.36:1
Throw measured from—Front of the case
Image size60–100 in58–110 in
Projection offset—81%
ZoomDigitalDigital
Focal length3.7 mm4.78 mm
Aperture (f-number)1.61.8
FocusManualManual
Autofocus—No
Vertical keystone3°10°
Horizontal keystone3°10°
Corner correction—4-corner
Interchangeable lens—No
Inputs & control
HDMI inputs3 × HDMI2 × HDMI
HDMI inputs (count)3Derived2Derived
Other video inputsVGA, + CompositeVGA
Max input resolution1080pWUXGA
Audio inputs3.5 mm, Microphone3.5 mm, + RCA, Microphone
USB media playbackYesYes
Control portsRS-232RS-232
PJLink—Class 1
Control-system driversCrestronCrestron
Horizontal scan—15–100 kHz
Vertical scan—50–120 Hz
Smart platform
EthernetYesYes
Audio
Speaker power16 W20 W
Speakers11
LayoutMonoMono
Audio outputs3.5 mm3.5 mm
HDMI audio returnNoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)367 × 400 × 149 mm378 × 428 × 112 mm
Weight5,700 g5,600 g
OrientationsTable, Ceiling, RearTable, Ceiling, Rear
Dust filterReplaceable—
Environment & power
Operating temperature5–40°C5–40°C
Operating humidity20–80%RH20–80%RH
Altitude3,000 m · high-altitude mode2,600 m · high-altitude mode
Power drawNormal 373 W · Eco 324 WMax 337 W · Normal 257 W · Eco 214 W
Standby0.23 W0.39 W
Networked standby2.2 W2.4 W
Power supply—Built in
Mains input100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Noise
Fan noiseNormal 35 dB(A) · Eco 30 dB(A)Max 37 dB(A) · Normal 29 dB(A) · Eco 28 dB(A)
Safety & compliance
MarksFCC, ULFCC, UL
Support & ownership
Warranty2 yr (light source 3 mo)3 yr (light source 6 mo or 1,000 h)
User manualhttps://files.support.epson.com/docid/cpd5/cpd50650.pdfhttps://sharp-displays.jp.sharp/support/webdl/dl_service/data/manual/en/um351w/UM351W_manual_ENG_v3.pdf
Spare partsLamp ELPLP91 · Air filter ELPAF49 · Mount ELPMB46—
In the box
In the boxPower cord, Remote, + Remote batteries, Quick start guide, User manual, + Software CDPower cord, Remote, Quick start guide, User manual, + VGA cable, + Stand or mount
Remote—IR