ProjectorDB

Optoma 4K400x vs ViewSonic LS711HD

Optoma 4K400x is better for gaming, quieter and broader on HDR. ViewSonic LS711HD is lighter.

Optoma 4K400x$1,399 · Amazon
Buy
ViewSonic LS711HDMSRP $1,399
Key differences
White light output
—4,200 lm ANSI
Throw ratio
1.5–1.66:10.5:1
Lowest input lag
4.5 msDerived—
HDR formats
HDR10, HLGNone
Light source
LampLaser (phosphor)
Fan noise
Max 28 dB(A) · Normal 26 dB(A)Normal 30 dB(A) · Eco 24 dB(A)
MSRP
—$1,399
Best price
$1,399—
Room fit
Distance to screen
3.3–3.7 m1.1 m
Picture
White light output
—4,200 lm ANSI
Claimed brightness (non-standard)
4,000 lm—
Brightness uniformity
80%—
Imaging technology
DLPDLP
Chip / panel diagonal
0.47 in0.65 in
Native resolution
1080p (1920 × 1080)1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Addressable resolution
4K UHD (3840 × 2160)—
Colour wheel segments
—4
Dynamic contrast
1,000,000:13,000,000:1
Dynamic contrast method
Light-source dimming—
Colour bit depth (per channel)
—10 bit
Gamma / EOTF presets
2.2, 2.4—
Colour temperature presets
D93, D65, D55, Native—
HDR formats
HDR10, HLGNone
Tone mapping
Adjustable—
Colour management (CMS)
6-axis—
3D
YesYes
3D formats
Frame packingFrame 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
240 W—
Light-source life
4,000 h max · 10,000 h eco · 15,000 h dynamic20,000 h normal · 30,000 h eco
Cool-down time
90 s—
Optics
Throw ratio
1.5–1.66:10.5:1
Image size
33–300 in35–300 in
Projection offset
105%132%
Zoom
OpticalDigital
Zoom ratio
1.11×Derived—
Focal length
15.84–17.42 mm7.51 mm
Aperture (f-number)
1.98–2.022.8
Focus
ManualManual
Autofocus
No—
Vertical lens shift
—None
Horizontal lens shift
—None
Vertical keystone
40°15°
Horizontal keystone
40°15°
Corner correction
—4-corner
Grid warp
Yes—
Motion & gaming
Max input refresh
1080p: 240 Hz720p: 120 Hz · 1080p: 60 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 1.4 (HDCP 1.4)
Max input resolution
DCI 4KWUXGA
Audio inputs
—None
Control ports
RS-232, 12 V triggerRS-232
PJLink
—None
Horizontal scan
31–135 kHz15–102 kHz
Vertical scan
24–120 Hz24–120 Hz
Smart platform
Wi-Fi
—None
Ethernet
—No
Audio
Speaker power
10 W15 W
Speakers
11
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
315 × 270 × 115 mm286 × 216 × 129 mm
Weight
4,200 g3,150 g
Colours
—White
Orientations
Table, Ceiling, RearTable, Ceiling, Rear, Portrait, 360°
Ceiling mount
—M4, screws ≤ 8 mm
Dust filter
—None
Ingress protection
—IP6X (light engine)
Sealed optical engine
—Yes
Environment & power
Operating temperature
5–40°C0–40°C
Operating humidity
10–85%RH10–80%RH
Altitude
3,000 m · high-altitude mode3,660 m · high-altitude mode
Power draw
Max 305 W · Eco 220 W210 W
Standby
0.5 WUp to 0.5 W
Power supply
—External adapter
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
DC input
—19.5 V
Fan noise
Max 28 dB(A) · Normal 26 dB(A)Normal 30 dB(A) · Eco 24 dB(A)
Safety & support
Laser class
—Class 1
Risk group
RG2RG2
FDA laser notice
—Notice 57
Marks
FCCCE, FCC
Warranty
—3 yr
User manual
https://region-resource.optoma.com/products/import/Documents/13cdc4ab-4017-4930-a4fd-d023d407c4fe.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/projector/LS711W_LS711HD/LS711W_LS711HD_UG_ENG.pdf
In the box
In the box
Power cord, Remote, Remote batteries, User manualPower cord, Power adapter, Remote, Remote batteries, Quick start guide, Lens cap
Remote
BacklitIR
Optoma 4K400x$1,399 · Amazon
Buy
ViewSonic LS711HDMSRP $1,399