ProjectorDB

Optoma 4K400x vs Panasonic PT-LB426

Optoma 4K400x is sharper, quieter and in stock. Panasonic PT-LB426 is lighter.

Optoma 4K400x$1,399 · Amazon
Buy
Panasonic PT-LB426
Key differences
White light output
—4,100 lm ISO (Normal power, Dynamic mode) · 4,100 lm ANSI
Native resolution
1080p (1920 × 1080)1024 × 768
Throw ratio
1.5–1.66:11.48–1.78:1
Lowest input lag
4.5 msDerived—
HDR formats
HDR10, HLG—
Fan noise
Max 28 dB(A) · Normal 26 dB(A)Normal 38 dB(A) · Eco 35 dB(A)
Best price
$1,399—
Room fit
Distance to screen
3.3–3.7 m3.0–3.6 m
Picture
White light output
—4,100 lm ISO (Normal power, Dynamic mode) · 4,100 lm ANSI
Claimed brightness (non-standard)
4,000 lm—
Brightness uniformity
80%85%
Imaging technology
DLP3LCD
Chip / panel diagonal
0.47 in0.63 in
Native resolution
1080p (1920 × 1080)1024 × 768
Native aspect
16:9Derived4:3Derived
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
1,000,000:120,000:1
Dynamic contrast method
Light-source dimming—
Colour bit depth (per channel)
—8 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
240 W230 W
Replacement lamp
—ET-LAL510
Light-source life
4,000 h max · 10,000 h eco · 15,000 h dynamic10,000 h normal · 20,000 h eco
Life defined as
—50% brightness
Cool-down time
90 s—
Optics
Throw ratio
1.5–1.66:11.48–1.78:1
Image size
33–300 in30–300 in
Projection offset
105%—
Zoom
OpticalOptical
Zoom ratio
1.11×Derived1.2×Derived
Focal length
15.84–17.42 mm19.16–23.02 mm
Aperture (f-number)
1.98–2.021.6–1.76
Focus
ManualManual
Autofocus
No—
Vertical keystone
40°35°
Horizontal keystone
40°35°
Auto keystone
—Yes
Corner correction
—4-corner
Grid warp
YesYes
Interchangeable lens
—No
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
2 × HDMI 2.0 (HDCP 2.2)2 × HDMI (HDCP 1.4)
Other video inputs
—VGA, Composite
Max input resolution
DCI 4K—
Audio inputs
—3.5 mm, RCA
USB media playback
—Yes
Control ports
RS-232, 12 V triggerRS-232
PJLink
—Class 2
Horizontal scan
31–135 kHz—
Vertical scan
24–120 Hz—
Smart platform
Ethernet
—Yes
Audio
Speaker power
10 W10 W
Speakers
1—
Layout
—Mono
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
315 × 270 × 115 mm335 × 252 × 96 mm
Weight
4,200 g2,900 g
Orientations
Table, Ceiling, RearTable, Ceiling, Rear
Ceiling mount
—M4, 10 mm deep, 1.25 N·m
Dust filter
—Replaceable
Environment & power
Operating temperature
5–40°C5–40°C
Operating humidity
10–85%RH20–80%RH
Altitude
3,000 m · high-altitude mode2,700 m
Power draw
Max 305 W · Eco 220 WMax 300 W
Standby
0.5 W0.5 W
Power supply
—Built in
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Max 28 dB(A) · Normal 26 dB(A)Normal 38 dB(A) · Eco 35 dB(A)
Safety & support
Risk group
RG2—
Marks
FCCFCC
User manual
https://region-resource.optoma.com/products/import/Documents/13cdc4ab-4017-4930-a4fd-d023d407c4fe.pdfhttps://bizpartner.panasonic.net/public/ppr/file_view/194378
Spare parts
—Lamp ET-LAL510 · Air filter ET-RFL300
In the box
In the box
Power cord, Remote, Remote batteries, User manualPower cord, Remote, Remote batteries
Remote
Backlit—
Optoma 4K400x$1,399 · Amazon
Buy
Panasonic PT-LB426