Optoma ZH420 vs Sony VPL-EW575
 MSRP $1,799 |  MSRP $1,900 | |
|---|---|---|
| Key differences | ||
| Native resolution | 1080p (1920 × 1080) | WXGA (1280 × 800) |
| Throw ratio | 1.12–1.47:1 | 1.1–1.79:1 |
| Lowest input lag | 8.6 msDerived | — |
| HDR formats | HDR10, HLG | — |
| Light source | Laser (phosphor) | Lamp |
| Fan noise | Max 31 dB(A) · Normal 29 dB(A) | — |
| Price | MSRP $1,799 | MSRP $1,900 |
| Room fit | ||
| Distance to screen | 2.5–3.3 m | 2.4–3.9 m |
| Brightness | ||
| Colour light output | — | 4,300 lm (Max power) |
| Claimed brightness (non-standard) | 4,300 lm | 4,300 lm |
| Brightness uniformity | 75% | — |
| Brightness by mode | — | Max 4,300 lm · Normal 3,200 lm · Eco 2,400 lm |
| Eco brightness | — | 56%Derived |
| Display system | ||
| Imaging technology | DLP | 3LCD |
| Chip / panel diagonal | 0.65 in | 0.75 in |
| On-screen resolution | 1080p (1920 × 1080)Derived | WXGA (1280 × 800)Derived |
| Native resolution | 1080p (1920 × 1080) | WXGA (1280 × 800) |
| Native aspect | 16:9Derived | 16:10Derived |
| Contrast | ||
| Dynamic contrast | 2,000,000:1 | — |
| Colour | ||
| Gamma / EOTF presets | 2.2, 2.4 | — |
| HDR | ||
| HDR formats | HDR10, HLG | — |
| Calibration | ||
| Colour management (CMS) | 6-axis | — |
| 3D | ||
| 3D | Yes | — |
| 3D formats | Frame packing, Side-by-side, Top-bottom, Frame sequential | — |
| 3D glasses sync | DLP-Link | — |
| Light source | ||
| Light source | Laser (phosphor) | Lamp |
| Lamp power | — | 225 W |
| Replacement lamp | — | LMP-E221 |
| Light-source life | Up to 30,000 h max | 4,000 h max · 6,000 h normal · 10,000 h eco |
| Light output control | Steps | — |
| Cool-down time | 90 s | — |
| Optics | ||
| Throw ratio | 1.12–1.47:1 | 1.1–1.79:1 |
| Image size | 31–322 in | 30–300 in |
| Projection offset | 116% | — |
| Zoom | Optical | Optical |
| Zoom ratio | 1.31×Derived | 1.63×Derived |
| Focal length | 16.9–21.61 mm | — |
| Aperture (f-number) | 2.43–2.78 | — |
| Focus | Manual | Manual |
| Autofocus | No | — |
| Vertical lens shift | None | — |
| Vertical keystone | 30° | 20° |
| Horizontal keystone | 30° | — |
| Auto keystone | Yes | Yes |
| Corner correction | 4-corner | — |
| Interchangeable lens | — | No |
| Motion & gaming | ||
| Max input refresh | 1080p: 120 Hz | — |
| Max refresh at 1080p | 120 HzDerived | — |
| Input lag | 1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 17 ms | — |
| Lowest input lag | 8.6 msDerived | — |
| Input lag at 4K 60 Hz | 17 msDerived | — |
| Inputs & control | ||
| HDMI inputs | HDMI 2.0 · HDMI 2.0 (HDCP 2.2) | 2 × HDMI |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | — |
| Other video inputs | — | VGA, Component, Composite |
| Max input resolution | DCI 4K | 1600 × 1200 |
| Audio inputs | — | 3.5 mm, Microphone |
| Control ports | RS-232 | RS-232 |
| Control-system drivers | Crestron, AMX | — |
| Horizontal scan | 15–140 kHz | 15–92 kHz |
| Vertical scan | 24–120 Hz | 48–92 Hz |
| Smart platform | ||
| Ethernet | Yes | — |
| Audio | ||
| Speaker power | 15 W | 16 W |
| Speakers | 1 | 1 |
| Layout | — | Mono |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 274 × 216 × 114 mm | 365 × 252 × 96.2 mm |
| Weight | 3,000 g | 4,100 g |
| Orientations | Table, Ceiling, Rear, Portrait, 360° | — |
| Ceiling mount | M4, screws ≥ 10 mm | — |
| Ingress protection | IP6X | — |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | — | 20–80%RH |
| Altitude | 2,500 m · high-altitude mode | High-altitude mode |
| Power draw | Max 173 W · Eco 119 W | Max 332 W · Normal 270 W · Eco 233 W |
| Standby | Up to 0.5 W | 0.5 W |
| Networked standby | — | 5.5 W |
| Power supply | External adapter | — |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| DC input | 19 V | — |
| Noise | ||
| Fan noise | Max 31 dB(A) · Normal 29 dB(A) | — |
| Safety & compliance | ||
| Laser class | Class 1 | — |
| Risk group | RG2 | — |
| FDA laser notice | Notice 57 | — |
| Marks | FCC | — |
| Support & ownership | ||
| Warranty | 3 yr (light source 5 yr or 12,000 h) | 3 yr |
| User manual | https://region-resource.optoma.com/products/import/Documents/02387d20-4b12-4d04-97e4-be316b803cf2.pdf | — |
| Spare parts | — | Lamp LMP-E221 |
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, Quick start guide | Power cord, Remote, Remote batteries, Quick start guide, + User manual, + VGA cable, + Software CD |