ProjectorDB

ViewSonic LS740-4K vs ViewSonic LS901-4K

ViewSonic LS740-4K is $145.01 cheaper and lighter. ViewSonic LS901-4K is brighter, broader on HDR and in stock.

ViewSonic LS740-4K$1,799.99 · Amazon
Buy
ViewSonic LS901-4K$1,945 · Amazon
Buy
Key differences
White light outputANSI
5,000 lm ANSI5,500 lm ANSI
Native resolution
4K UHD (3840 × 2160)—
Throw ratio
1.4–2.24:11.2–2.04:1
HDR formats
HLGHDR10, HLG
Fan noise
Normal 32 dB(A) · Eco 27 dB(A)Normal 31 dB(A) · Eco 25 dB(A)
MSRP
$1,799.99$3,699
Best price
$1,799.99$1,945
Room fit
Distance to screen
3.1–5.0 m2.7–4.5 m
Picture
White light outputANSI
5,000 lm ANSI5,500 lm ANSI
Claimed brightness (non-standard)
—6,000 lm
Imaging technology
DLPDLP
Chip / panel diagonal
0.65 in0.65 in
Native resolution
4K UHD (3840 × 2160)—
Native aspect
16:9Derived16:9Derived
Addressable resolution
—4K UHD (3840 × 2160)
Dynamic contrast
3,000,000:13,000,000:1
Dynamic contrast method
—Light-source dimming
Colour bit depth (per channel)
10 bit10 bit
HDR formats
HLGHDR10, HLG
3D
YesYes
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequentialSide-by-side, Top-bottom, Frame sequential
3D glasses sync
DLP-LinkDLP-Link
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
Blue laser + phosphor—
Light-source life
20,000 h normal · 30,000 h super eco20,000 h normal · 30,000 h super eco
Optics
Throw ratio
1.4–2.24:11.2–2.04:1
Image size
30–300 in30–300 in
Projection offset
124%154%
Zoom
OpticalOptical
Zoom ratio
1.6×Derived1.7×Derived
Focal length
—17.63–27.9 mm
Aperture (f-number)
—2.3–3
Focus
ManualManual
Autofocus
NoNo
Vertical lens shift
—-21–0%
Vertical keystone
30°30°
Horizontal keystone
30°30°
Grid warp
YesYes
Motion & gaming
Max input refresh
1080p: 240 Hz · 2560 × 1440: 120 Hz · 4K UHD: 60 Hz1080p: 240 Hz · 2560 × 1440: 120 Hz · 4K UHD: 60 Hz
Inputs & control
HDMI inputs
2 × HDMI 2.0 (HDCP 2.3)2 × HDMI 2.0 (HDCP 2.3)
Max input resolution
4K UHD4K UHD
USB media playback
—No
Control ports
RS-232RS-232
Control-system drivers
—Crestron
Horizontal scan
15–135 kHz15–255 kHz
Vertical scan
24–240 Hz23–240 Hz
Smart platform
Ethernet
YesYes
Audio
Speaker power
15 W30 W
Speakers
12
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
286 × 216 × 129 mm337 × 280 × 132 mm
Weight
3,100 g4,850 g
Colours
—White
Orientations
Table, Ceiling, Portrait, 360°Table, Ceiling, Rear
Dust filter
NoneNone
Ingress protection
IP6X—
Sealed optical engine
YesYes
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–80%RH10–80%RH
Altitude
3,658 m · high-altitude mode3,658 m · high-altitude mode
Power draw
165 W245 W
Standby
Up to 0.5 WUp to 0.5 W
Power supply
External adapter—
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 32 dB(A) · Eco 27 dB(A)Normal 31 dB(A) · Eco 25 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
Hazard distance
1 m1 m
Marks
CE, FCCCE, FCC
Warranty
3 yr3 yr
User manual
https://www.viewsonicglobal.com/public/products_download/user_guide/projector/LSD500-4K/LSD500-4K_LS740-4K_UG_ENG.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/projector/LS901HD_LS901-4K/LS901HD_LS901-4K_UG_ENG.pdf
In the box
In the box
Power cord, Power adapter, Remote, Remote batteries, Quick start guidePower cord, Remote, Remote batteries, Quick start guide
Remote
IRIR
ViewSonic LS740-4K$1,799.99 · Amazon
Buy
ViewSonic LS901-4K$1,945 · Amazon
Buy