NEC NP-P474W vs ViewSonic LS740-4K

NEC NP-P474W is $200.99 cheaper. ViewSonic LS740-4K is sharper, quieter and lighter.

Key differences
White light output
4,700 lm ISO (Max power)5,000 lm ANSI
Native resolution
WXGA (1280 × 800)4K UHD (3840 × 2160)
Throw ratio
1.2–2.1:11.4–2.24:1
HDR formats
—HLG
Light source
LampLaser (phosphor)
Fan noise
Max 37 dB(A) · Normal 34 dB(A) · Eco 34 dB(A)Normal 32 dB(A) · Eco 27 dB(A)
MSRP
$1,599$1,799.99
Best price
—$1,799.99
Room fit
Distance to screen
2.6–4.5 m3.1–5.0 m
Picture
White light output
4,700 lm ISO (Max power)5,000 lm ANSI
Claimed brightness (non-standard)
5,200 lm—
Brightness by mode
Max 4,700 lm · Normal 4,050 lm · Eco 3,050 lm—
Eco brightness
65%Derived—
Imaging technology
3LCDDLP
Chip / panel diagonal
0.64 in0.65 in
Native resolution
WXGA (1280 × 800)4K UHD (3840 × 2160)
Native aspect
16:10Derived16:9Derived
Dynamic contrast
18,000:13,000,000:1
Dynamic contrast method
Iris + light-source dimming—
Colour bit depth (per channel)
10 bit10 bit
HDR formats
—HLG
Picture mode memories
7—
3D
—Yes
3D formats
—Frame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
—DLP-Link
Light source
Light source
LampLaser (phosphor)
Emitter
—Blue laser + phosphor
Lamp power
305 W—
Replacement lamp
NP44LP—
Light-source life
4,000 h max · 6,000 h normal · 8,000 h eco20,000 h normal · 30,000 h super eco
Light output control
Steps—
Warm-up time
6 s—
Cool-down time
0 s—
Optics
Throw ratio
1.2–2.1:11.4–2.24:1
Image size
30–300 in30–300 in
Projection offset
—124%
Zoom
OpticalOptical
Zoom ratio
1.75×Derived1.6×Derived
Focal length
17.4–29 mm—
Aperture (f-number)
1.7–2.2—
Focus
ManualManual
Autofocus
NoNo
Vertical lens shift
0–55%—
Horizontal lens shift
±15%—
Motorised lens shift
No—
Vertical keystone
30°30°
Horizontal keystone
20°30°
Auto keystone
No—
Corner correction
4-corner—
Grid warp
—Yes
Lens material
Plastic—
Motion & gaming
Max input refresh
—1080p: 240 Hz · 2560 × 1440: 120 Hz · 4K UHD: 60 Hz
Inputs & control
HDMI inputs
2 × HDMI2 × HDMI 2.0 (HDCP 2.3)
Other video inputs
VGA, Component, Composite, HDBaseT—
Max input resolution
WUXGA4K UHD
Audio inputs
3.5 mm, RCA—
USB media playback
Yes—
Control ports
RS-232RS-232
PJLink
Class 1—
Control-system drivers
Crestron, AMX—
Horizontal scan
15–100 kHz15–135 kHz
Vertical scan
50–120 Hz24–240 Hz
Smart platform
Ethernet
YesYes
Audio
Speaker power
20 W15 W
Speakers
11
Layout
Mono—
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
420 × 322 × 133 mm286 × 216 × 129 mm
Weight
4,700 g3,100 g
Orientations
Table, Ceiling, RearTable, Ceiling, Portrait, 360°
Dust filter
ReplaceableNone
Ingress protection
—IP6X
Sealed optical engine
—Yes
Environment & power
Operating temperature
5–40°C0–40°C
Operating humidity
20–80%RH10–80%RH
Altitude
2,700 m · high-altitude mode3,658 m · high-altitude mode
Power draw
Max 418 W · Normal 361 W · Eco 280 W165 W
Standby
0.16 WUp to 0.5 W
Networked standby
2 W—
Power supply
—External adapter
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Max 37 dB(A) · Normal 34 dB(A) · Eco 34 dB(A)Normal 32 dB(A) · Eco 27 dB(A)
Safety & support
Laser class
—Class 1
Risk group
RG2RG2
Hazard distance
—1 m
Marks
FCCCE, FCC
Warranty
3 yr (light source 1 yr or 1,000 h)3 yr
User manual
https://www.sharp-nec-displays.com/support/webdl/dl_service/data/manual/en/p554u/P554U_manual_ENG_v7.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, Remote batteries, Quick start guide, VGA cable, Lens cap, Software CDPower cord, Power adapter, Remote, Remote batteries, Quick start guide
Remote
IRIR
ViewSonic LS740-4K$1,799.99 · Amazon
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