Optoma EH412ST vs Optoma ZH400ST
 $930 | MSRP $2,599 | |
|---|---|---|
| Key differences | ||
| White light output | 4,000 lm ANSI | — |
| Throw ratio | 0.5:1 | 0.5:1 |
| Lowest input lag | 8.4 msDerived | 17 msDerived |
| HDR formats | HDR10 | HDR10, + HLG |
| Light source | Lamp | Laser (phosphor) |
| Fan noise | Max 28 dB(A) · Normal 26 dB(A) | Max 36 dB(A) |
| Price | $930 | MSRP $2,599 |
| Room fit | ||
| Distance to screen | 1.1 m | 1.1 m |
| Brightness | ||
| Rated brightness | 4,000 lmDerived | — |
| White light output | 4,000 lm ANSI | — |
| Claimed brightness (non-standard) | — | 4,000 lm |
| Brightness uniformity | 70% | 75% |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.65 in | 0.65 in |
| On-screen resolution | 1080p (1920 × 1080)Derived | 1080p (1920 × 1080)Derived |
| Native resolution | 1080p (1920 × 1080) | 1080p (1920 × 1080) |
| Native aspect | 16:9Derived | 16:9Derived |
| Colour wheel segments | 6 | — |
| Contrast | ||
| Dynamic contrast | 50,000:1 | 2,000,000:1 |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | 10 bit |
| HDR | ||
| HDR formats | HDR10 | HDR10, + HLG |
| Calibration | ||
| Colour management (CMS) | 6-axis | — |
| Picture certifications | ISF | — |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | Frame packing, Side-by-side, Top-bottom | — |
| 3D glasses sync | DLP-Link | DLP-Link |
| Light source | ||
| Light source | Lamp | Laser (phosphor) |
| Emitter | — | Blue laser + phosphor |
| Light engine | — | DuraCore |
| Lamp power | 240 W | — |
| Light-source life | 4,000 h max · 10,000 h eco · 15,000 h super eco · 12,000 h dynamic | 30,000 h |
| Optics | ||
| Throw ratio | 0.5:1 | 0.5:1 |
| Image size | 36–308 in | 36–292 in |
| Projection offset | 116% | 116% |
| Zoom | Digital | None |
| Focal length | 7.42 mm | 7.51 mm |
| Aperture (f-number) | 2.8 | 2.8 |
| Focus | Manual | — |
| Autofocus | No | — |
| Vertical lens shift | — | None |
| Horizontal lens shift | — | None |
| Vertical keystone | 40° | 30° |
| Horizontal keystone | — | 30° |
| Interchangeable lens | No | — |
| Motion & gaming | ||
| Max input refresh | 1080p: 120 Hz | — |
| Max refresh at 1080p | 120 HzDerived | — |
| Input lag | 1080p: 60 Hz 16 ms · 120 Hz 8.4 ms | 1080p: 60 Hz 33.8 ms · 120 Hz 17 ms |
| Lowest input lag | 8.4 msDerived | 17 msDerived |
| Inputs & control | ||
| HDMI inputs | HDMI 2.0 (HDCP 2.2) · HDMI 1.4 (HDCP 2.2) | 2 × HDMI 2.0 |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 2.0Derived |
| Other video inputs | VGA | — |
| Max input resolution | 4K UHD | — |
| Audio inputs | 3.5 mm | — |
| Control ports | RS-232 | RS-232 |
| PJLink | — | Class 1 |
| Control-system drivers | — | Crestron, AMX |
| Horizontal scan | 15.38–91.15 kHz | 15–140 kHz |
| Vertical scan | 50–85 Hz | 24–120 Hz |
| Smart platform | ||
| Ethernet | — | Yes |
| Audio | ||
| Speaker power | 10 W | 15 W |
| Speakers | 1 | 1 |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 316 × 244 × 115 mm | 274 × 216 × 114 mm |
| Weight | 3,000 g | 2,998 g |
| Colours | White | — |
| Orientations | + Table, + Ceiling, + Rear | + Portrait, + 360° |
| Ceiling mount | — | M4, screws ≥ 10 mm |
| Ingress protection | — | IP6X |
| Environment & power | ||
| Operating temperature | 5–40°C | 0–40°C |
| Operating humidity | 10–85%RH | — |
| Altitude | 3,000 m · high-altitude mode | 2,500 m |
| Power draw | Max 285 W · Normal 230 W · Eco 190 W | Max 173 W · Eco 119 W |
| Standby | 0.5 W | Up to 0.5 WPreliminary |
| Power supply | — | External adapter |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Max 28 dB(A) · Normal 26 dB(A) | Max 36 dB(A) |
| Safety & compliance | ||
| Laser class | — | Class 1 |
| Risk group | RG2 | RG2 |
| FDA laser notice | — | Notice 57 |
| Marks | FCC | — |
| Support & ownership | ||
| Warranty | 2 yr (light source 3 mo) | 3 yr (light source 5 yr or 12,000 h) |
| User manual | https://www.optomausa.com/ContentStorage/Documents/2aef4a4a-ad89-4d77-8b8a-d395179d3957.pdf | https://region-resource.optoma.com/products/import/Documents/f141af2c-7d8e-4d73-952f-5a86d8e9c891.pdf |
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, Quick start guide | Power cord, Remote, Remote batteries, Quick start guide |
| Remote | IR | — |