ProjectorDB

LG ProBeam BU50RG vs Optoma ZH521

Optoma ZH521 is lighter.

LG ProBeam BU50RGMSRP $3,399
Optoma ZH521
Key differences
White light output
5,000 lm ANSI5,500 lm ISO
Native resolution
—1080p (1920 × 1080)
Throw ratio
1.3–2.08:11.13–1.47:1
Lowest input lag
—8.6 msDerived
HDR formats
—HDR10, HLG
Fan noise
Max 33 dB(A) · Eco 29 dB(A)Normal 35 dB(A) · Eco 29 dB(A)
MSRP
$3,399—
Room fit
Distance to screen
2.9–4.6 m2.5–3.3 m
Picture
White light output
5,000 lm ANSI5,500 lm ISO
Brightness uniformity
—75%
Imaging technology
DLPDLP
Native resolution
—1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
3,000,000:13,000,000:1
HDR formats
—HDR10, HLG
Tone mapping
Dynamic—
3D
—Yes
3D formats
—Frame packing, Side-by-side, Top-bottom
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
—Blue laser + phosphor
Light-source life
Up to 20,000 h30,000 h eco
Optics
Throw ratio
1.3–2.08:11.13–1.47:1
Image size
40–300 in30–306 in
Projection offset
—116%
Zoom
OpticalOptical
Zoom ratio
1.6×Derived1.3×Derived
Focal length
—16.9–21.6 mm
Aperture (f-number)
—2.43–2.78
Focus
Manual—
Autofocus
No—
Vertical lens shift
±50%—
Horizontal lens shift
±20%—
Vertical keystone
—30°
Horizontal keystone
—30°
Auto keystone
No—
Corner correction
—4-corner
Grid warp
Yes—
Motion & gaming
Frame interpolation (MEMC)
Yes—
Input lag
—1080p: 60 Hz 16.7 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.7 ms
Inputs & control
HDMI inputs
2 × HDMI 2.0 (HDCP 2.2)2 × HDMI 2.0
Other video inputs
—VGA
Max input resolution
DCI 4KDCI 4K
Audio inputs
—3.5 mm
USB media playback
Yes—
Control ports
RS-232RS-232, 12 V trigger
Horizontal scan
—15–135 kHz
Vertical scan
—24–120 Hz
Smart platform
Ethernet
Yes—
Smart platform
webOS—
OS version
6—
Storage
8 GB—
Casting
Miracast—
Audio
Speaker power
10 W15 W
Speakers
21
Audio outputs
3.5 mm, HDMI ARC3.5 mm
HDMI audio return
ARCDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
370 × 290 × 156 mm274 × 216 × 114 mm
Weight
9,700 g2,900 g
Colours
Black, White—
Orientations
Table, Ceiling, RearTable, Ceiling, Rear, Portrait, 360°
Dust filter
—None
Ingress protection
—IP6X (light engine)
Sealed optical engine
—Yes
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
0–80%RH—
Altitude
High-altitude mode2,500 m
Power draw
Max 400 WMax 210 W · Eco 147 W
Standby
Up to 0.5 WUp to 0.5 W
Power supply
Built inExternal adapter
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Max 33 dB(A) · Eco 29 dB(A)Normal 35 dB(A) · Eco 29 dB(A)
Safety & support
Laser class
Class 1—
Risk group
RG2RG2
Marks
—FCC
Warranty
3 yr5 yr or 12,000 h
User manual
—https://region-resource.optoma.com/products/documents/K9MwpgPSz59vAXkTCNNs6i6XlKNiiRBCCcHAz398.pdf
In the box
In the box
Power cord, Remote, Remote batteries, User manualPower cord, Remote, Remote batteries, Quick start guide