Christie LW551i vs Optoma ZH521

Christie LW551i
Christie LW551i
MSRP $5,985
Optoma ZH521
Optoma ZH521
Key differences
White light output5,500 lm ANSI5,500 lm ISO
Native resolutionWXGA (1280 × 800)1080p (1920 × 1080)
Throw ratio1.5–3:11.13–1.47:1
Lowest input lag—8.6 msDerived
HDR formats—HDR10, HLG
Light sourceLampLaser (phosphor)
Fan noiseNormal 37 dB(A) · Eco 31 dB(A)Normal 35 dB(A) · Eco 29 dB(A)
PriceMSRP $5,985—
Room fit
Distance to screen3.2–6.5 m2.5–3.3 m
Brightness
Rated brightness5,500 lmDerived5,500 lmDerived
White light output5,500 lm ANSI5,500 lm ISO
Brightness uniformity—75%
Display system
Imaging technology3LCDDLP
Chip / panel diagonal0.76 in—
On-screen resolutionWXGA (1280 × 800)Derived1080p (1920 × 1080)Derived
Native resolutionWXGA (1280 × 800)1080p (1920 × 1080)
Native aspect16:10Derived16:9Derived
Contrast
Dynamic contrast3,000:13,000,000:1
Dynamic contrast methodDynamic iris—
HDR
HDR formats—HDR10, HLG
Calibration
Picture mode memories4—
3D
3D—Yes
3D formats—Frame packing, Side-by-side, Top-bottom
Light source
Light sourceLampLaser (phosphor)
Emitter—Blue laser + phosphor
Lamp power330 W—
Light-source life2,500 h normal · 3,000 h eco30,000 h eco
Optics
Throw ratio1.5–3:11.13–1.47:1
Image size30–600 in30–306 in
Projection offset—116%
ZoomOpticalOptical
Zoom ratio2×Derived1.3×Derived
Focal length—16.9–21.6 mm
Aperture (f-number)—2.43–2.78
FocusMotorised—
Vertical lens shift-40–125%—
Horizontal lens shift±22%—
Motorised lens shiftYes—
Lens memory slots3—
Vertical keystone12°30°
Horizontal keystone20°30°
Auto keystoneYes—
Corner correction8-point4-corner
Interchangeable lensYes—
Motion & gaming
Input lag—1080p: 60 Hz 16.7 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.7 ms
Lowest input lag—8.6 msDerived
Input lag at 4K 60 Hz—16.7 msDerived
Inputs & control
HDMI inputs2 × HDMI2 × HDMI 2.0
HDMI inputs (count)2Derived2Derived
Newest HDMI version—HDMI 2.0Derived
Other video inputsVGAVGA
Max input resolution1600 × 1200DCI 4K
Audio inputs3.5 mm, + RCA3.5 mm
USB media playbackYes—
Control portsRS-232, + Wired IRRS-232, + 12 V trigger
PJLinkClass 1—
Control-system driversCrestron—
Horizontal scan15–106 kHz15–135 kHz
Vertical scan56–120 Hz24–120 Hz
Smart platform
EthernetYes—
Audio
Speaker power16 W15 W
Speakers21
LayoutStereo—
Audio outputs—3.5 mm
HDMI audio return—NoneDerived
Physical & installation
Dimensions (W × D × H)498 × 476 × 147 mm274 × 216 × 114 mm
Weight8,900 g2,900 g
OrientationsTable, Ceiling, RearTable, Ceiling, Rear, + Portrait, + 360°
Dust filter—None
Ingress protection—IP6X (light engine)
Sealed optical engine—Yes
Environment & power
Operating temperature0–40°C0–40°C
Operating humidity10–85%RH—
Altitude3,048 m · high-altitude mode2,500 m
Power drawMax 480 WMax 210 W · Eco 147 W
StandbyUp to 0.35 WUp to 0.5 W
Power supply—External adapter
Mains input100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Noise
Fan noiseNormal 37 dB(A) · Eco 31 dB(A)Normal 35 dB(A) · Eco 29 dB(A)
Safety & compliance
Risk group—RG2
Marks+ CE, FCC, + UL, + CCCFCC
Support & ownership
Warranty3 yr (light source 1 yr or 500 h)5 yr or 12,000 h
User manualhttps://www.christiedigital.com/globalassets/resources/public/020-000461-02-christie-lit-man-usr-d1.pdfhttps://region-resource.optoma.com/products/documents/K9MwpgPSz59vAXkTCNNs6i6XlKNiiRBCCcHAz398.pdf
In the box
In the boxPower cord, + Power adapter, Remote, Remote batteries, + User manual, + HDMI cable, + VGA cable, + Lens cap, + Software CDPower cord, Remote, Remote batteries, + Quick start guide
RemoteIR—