Epson PowerLite 685W vs Optoma 4K400x

Epson PowerLite 685W is $386.15 cheaper. Optoma 4K400x is sharper, quieter and lighter.

Epson PowerLite 685W$1,012.85 · Amazon
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Optoma 4K400x$1,399 · Amazon
Buy
Key differences
White light output
3,500 lm ISO (Normal power)—
Native resolution
WXGA (1280 × 800)1080p (1920 × 1080)
Throw ratio
0.28–0.37:11.5–1.66:1
Lowest input lag
—4.5 msDerived
HDR formats
—HDR10, HLG
Fan noise
Normal 35 dB(A) · Eco 30 dB(A)Max 28 dB(A) · Normal 26 dB(A)
MSRP
$1,390—
Best price
$1,012.85$1,399
Room fit
Distance to screen
0.60–0.80 m3.3–3.7 m
Picture
White light output
3,500 lm ISO (Normal power)—
Colour light output
3,500 lm (Normal power)—
Claimed brightness (non-standard)
—4,000 lm
Brightness uniformity
—80%
Brightness by mode
Normal 3,500 lm · Eco 2,900 lm—
Eco brightness
83%Derived—
Imaging technology
3LCDDLP
Chip / panel diagonal
—0.47 in
Native resolution
WXGA (1280 × 800)1080p (1920 × 1080)
Native aspect
16:10Derived16:9Derived
Addressable resolution
—4K UHD (3840 × 2160)
Dynamic contrast
Up to 14,000:11,000,000:1
Dynamic contrast method
Dynamic irisLight-source dimming
Colour bit depth (per channel)
10 bit—
Gamma / EOTF presets
—2.2, 2.4
Colour temperature presets
—D93, D65, D55, Native
HDR formats
—HDR10, HLG
Tone mapping
—Adjustable
Colour management (CMS)
—6-axis
3D
—Yes
3D formats
—Frame packing
Light source
Light source
LampLamp
Lamp power
250 W240 W
Replacement lamp
ELPLP91—
Light-source life
5,000 h normal · 10,000 h eco4,000 h max · 10,000 h eco · 15,000 h dynamic
Cool-down time
0 s90 s
Optics
Throw ratio
0.28–0.37:11.5–1.66:1
Image size
60–100 in33–300 in
Projection offset
—105%
Zoom
DigitalOptical
Zoom ratio
—1.11×Derived
Focal length
3.7 mm15.84–17.42 mm
Aperture (f-number)
1.61.98–2.02
Focus
ManualManual
Autofocus
—No
Vertical keystone
3°40°
Horizontal keystone
3°40°
Grid warp
—Yes
Motion & gaming
Max input refresh
—1080p: 240 Hz
Input lag
—1080p: 60 Hz 16.7 ms · 120 Hz 8.9 ms · 240 Hz 4.5 ms · 4K UHD: 60 Hz 16.7 ms
Inputs & control
HDMI inputs
3 × HDMI2 × HDMI 2.0 (HDCP 2.2)
Other video inputs
VGA, Composite—
Max input resolution
1080pDCI 4K
Audio inputs
3.5 mm, Microphone—
USB media playback
Yes—
Control ports
RS-232RS-232, 12 V trigger
Control-system drivers
Crestron—
Horizontal scan
—31–135 kHz
Vertical scan
—24–120 Hz
Smart platform
Ethernet
Yes—
Audio
Speaker power
16 W10 W
Speakers
11
Layout
Mono—
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
367 × 400 × 149 mm315 × 270 × 115 mm
Weight
5,700 g4,200 g
Orientations
Table, Ceiling, RearTable, Ceiling, Rear
Dust filter
Replaceable—
Environment & power
Operating temperature
5–40°C5–40°C
Operating humidity
20–80%RH10–85%RH
Altitude
3,000 m · high-altitude mode3,000 m · high-altitude mode
Power draw
Normal 373 W · Eco 324 WMax 305 W · Eco 220 W
Standby
0.23 W0.5 W
Networked standby
2.2 W—
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 35 dB(A) · Eco 30 dB(A)Max 28 dB(A) · Normal 26 dB(A)
Safety & support
Risk group
—RG2
Marks
FCC, ULFCC
Warranty
2 yr (light source 3 mo)—
User manual
https://files.support.epson.com/docid/cpd5/cpd50650.pdfhttps://region-resource.optoma.com/products/import/Documents/13cdc4ab-4017-4930-a4fd-d023d407c4fe.pdf
Spare parts
Lamp ELPLP91 · Air filter ELPAF49 · Mount ELPMB46—
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, User manual, Software CDPower cord, Remote, Remote batteries, User manual
Remote
—Backlit
Epson PowerLite 685W$1,012.85 · Amazon
Buy
Optoma 4K400x$1,399 · Amazon
Buy