ProjectorDB

Epson PowerLite L570U vs ViewSonic LS921WU

Epson PowerLite L570U is $576 cheaper, quieter and broader on HDR. ViewSonic LS921WU is lighter.

Epson PowerLite L570U$3,171 · Amazon
Buy
ViewSonic LS921WU$3,747 · Amazon
Buy
Key differences
White light output
5,200 lm ISO6,000 lm ANSI
Throw ratio
1.35–2.2:10.81–0.89:1
HDR formats
HDR10, HLGHLG
Light source
—Laser (phosphor)
Fan noise
Normal 31 dB(A) · Eco 23 dB(A)Normal 36 dB(A) · Eco 29 dB(A)
MSRP
$3,496$4,499
Best price
$3,171$3,747
Room fit
Distance to screen
2.9–4.7 m1.7–1.9 m
Picture
White light output
5,200 lm ISO6,000 lm ANSI
Colour light output
5,200 lm—
Brightness uniformity
86%—
Brightness by mode
Normal 5,200 lm · Eco 3,640 lm—
Eco brightness
70%Derived—
Imaging technology
3LCDDLP
Chip / panel diagonal
0.67 in—
Native resolution
WUXGA (1920 × 1200)WUXGA (1920 × 1200)
Native aspect
16:10Derived16:10Derived
Pixel shift
Yes (scheme not stated)—
Dynamic contrast
Up to 2,500,000:13,000,000:1
Dynamic contrast method
Light-source dimming—
Colour bit depth (per channel)
10 bit10 bit
HDR formats
HDR10, HLGHLG
Colour management (CMS)
6-axis—
Picture mode memories
10—
Auto-calibration
Sensor supported—
3D
—Yes
3D formats
—Side-by-side, Top-bottom, Frame sequential
Light source
Light source
—Laser (phosphor)
Emitter
Blue laser + phosphorBlue laser + phosphor
Light-source life
20,000 h normal · 30,000 h eco20,000 h
Life defined as
50% brightness—
Constant brightness mode
Yes—
Warm-up time
30 s—
Cool-down time
0 s—
Optics
Throw ratio
1.35–2.2:10.81–0.89:1
Image size
50–500 in30–300 in
Zoom
OpticalOptical
Zoom ratio
1.63×Derived1.1×Derived
Focal length
20–31.8 mm—
Aperture (f-number)
1.5–1.7—
Focus
ManualManual
Autofocus
No—
Vertical lens shift
±50%±50%
Horizontal lens shift
±20%±50%
Motorised lens shift
No—
Vertical keystone
30°40°
Horizontal keystone
30°40°
Corner correction
—4-corner
Grid warp
Yes—
Inputs & control
HDMI inputs
2 × HDMI (HDCP 2.3)2 × HDMI 2.0 (HDCP 2.2)
Other video inputs
HDBaseTVGA, Composite, HDBaseT
Max input resolution
DCI 4K4K UHD
Audio inputs
—3.5 mm, RCA
USB media playback
Yes—
Control ports
RS-232RS-232, 12 V trigger
Control-system drivers
Control4, CrestronCrestron, AMX
Horizontal scan
26–135 kHz15–135 kHz
Vertical scan
23.98–60 Hz23–120 Hz
Smart platform
Ethernet
YesYes
Audio
Speaker power
10 W20 W
Speakers
12
Layout
Mono—
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
440 × 304 × 122 mm405 × 305 × 144 mm
Weight
8,300 g6,500 g
Orientations
Table, Ceiling, Rear, 360°Table, Ceiling, Rear, Portrait, 360°
Ceiling mount
4 × M4, 9 mm screws, 100 × 100 mm spacingM4, 12.8–15.8 mm screws
Dust filter
Replaceable—
Environment & power
Operating temperature
0–45°C0–40°C
Operating humidity
20–80%RH10–90%RH
Altitude
3,048 m · high-altitude mode3,000 m
Power draw
Normal 323 W · Eco 250 W450 W
Standby
0.5 WUp to 0.5 W
Networked standby
2 W—
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 31 dB(A) · Eco 23 dB(A)Normal 36 dB(A) · Eco 29 dB(A)
Safety & support
Laser class
Class 1—
Risk group
RG2RG2
Marks
FCC, ULFCC
Warranty
🇺🇸 US 3 yr · 🇨🇦 CA 3 yr5 yr (light source 1 yr)
User manual
https://files.support.epson.com/docid/cpd6/cpd63066.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS920WU_LS921WU/LS920WU_LS921WU_UG_ENG.pdf
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, HDMI cable, Lens capPower cord, Remote, Quick start guide
Remote
IR—
Epson PowerLite L570U$3,171 · Amazon
Buy
ViewSonic LS921WU$3,747 · Amazon
Buy