ProjectorDB

InFocus INL4128 vs ViewSonic LS740-4K

InFocus INL4128 is quieter and in stock. ViewSonic LS740-4K is $203.39 cheaper, sharper and better for gaming.

InFocus INL4128$2,003.38 · Amazon
Buy
ViewSonic LS740-4K$1,799.99 · Amazon
Buy
Key differences
White light output
—5,000 lm ANSI
Native resolution
1080p (1920 × 1080)4K UHD (3840 × 2160)
HDR formats
—HLG
Fan noise
Normal 30 dB(A) · Eco 28 dB(A)Normal 32 dB(A) · Eco 27 dB(A)
MSRP
—$1,799.99
Best price
$2,003.38$1,799.99
Room fit
Distance to screen
3.1–5.0 m3.1–5.0 m
Picture
White light output
—5,000 lm ANSI
Claimed brightness (non-standard)
5,600 lm—
Brightness uniformity
85%—
Imaging technology
DLPDLP
Chip / panel diagonal
0.65 in0.65 in
Native resolution
1080p (1920 × 1080)4K UHD (3840 × 2160)
Native aspect
16:9Derived16:9Derived
Dynamic contrast
2,000,000:13,000,000:1
Colour bit depth (per channel)
—10 bit
Gamma / EOTF presets
2.2, 2.4, 2.6—
HDR formats
—HLG
Colour management (CMS)
6-axis—
3D
YesYes
3D formats
Side-by-side, Top-bottom, Frame sequentialFrame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
DLP-LinkDLP-Link
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
Blue laser + phosphorBlue laser + phosphor
Light engine
Quantum Laser—
Light-source life
Up to 30,000 h20,000 h normal · 30,000 h super eco
Light output control
Steps—
Optics
Throw ratio
1.4–2.24:11.4–2.24:1
Image size
20–300 in30–300 in
Projection offset
103%124%
Zoom
OpticalOptical
Zoom ratio
1.6×Derived1.6×Derived
Focal length
20.91–32.62 mm—
Focus
ManualManual
Autofocus
NoNo
Vertical lens shift
0–15%—
Motorised lens shift
No—
Vertical keystone
30°30°
Horizontal keystone
30°30°
Auto keystone
Yes—
Corner correction
4-corner—
Grid warp
—Yes
Interchangeable lens
No—
Motion & gaming
Max input refresh
1080p: 120 Hz1080p: 240 Hz · 2560 × 1440: 120 Hz · 4K UHD: 60 Hz
Inputs & control
HDMI inputs
HDMI 2.0 · HDMI 1.42 × HDMI 2.0 (HDCP 2.3)
Other video inputs
VGA, HDBaseT—
Max input resolution
DCI 4K4K UHD
USB media playback
No—
Control ports
RS-232RS-232
Horizontal scan
15.4–91.1 kHz15–135 kHz
Vertical scan
24–120 Hz24–240 Hz
Smart platform
Ethernet
YesYes
Audio
Speaker power
10 W15 W
Speakers
11
Layout
Mono—
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
374 × 302 × 117 mm286 × 216 × 129 mm
Weight
5,500 g3,100 g
Orientations
Table, Ceiling, RearTable, Ceiling, Portrait, 360°
Dust filter
NoneNone
Ingress protection
IP5XIP6X
Sealed optical engine
—Yes
Environment & power
Operating temperature
5–40°C0–40°C
Operating humidity
10–85%RH10–80%RH
Altitude
3,048 m · high-altitude mode3,658 m · high-altitude mode
Power draw
Max 341 W · Eco 190 W165 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
Fan noise
Normal 30 dB(A) · Eco 28 dB(A)Normal 32 dB(A) · Eco 27 dB(A)
Safety & support
Laser class
—Class 1
Risk group
RG2RG2
Hazard distance
—1 m
Marks
CE, FCC, CCCCE, FCC
Warranty
5 yr or 20,000 h (light source 5 yr or 20,000 h)3 yr
User manual
https://cdn.infocus.com/2023/07/UM_INL4128-INL4129-English.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/projector/LSD500-4K/LSD500-4K_LS740-4K_UG_ENG.pdf
In the box
In the box
Power cord, Remote, Quick start guide, VGA cable, Lens capPower cord, Power adapter, Remote, Remote batteries, Quick start guide
Remote
IRIR
InFocus INL4128$2,003.38 · Amazon
Buy
ViewSonic LS740-4K$1,799.99 · Amazon
Buy