Optoma ZK430ST vs Optoma ZW350ST
 MSRP $5,199 | $814.99 | |
|---|---|---|
| Key differences | ||
| Native resolution | — | WXGA (1280 × 800) |
| Throw ratio | 0.5:1 | 0.52:1 |
| Lowest input lag | 4.4 msDerived | 17 msDerived |
| HDR formats | HDR10, HLG | — |
| Fan noise | Max 35 dB(A) | Normal 34 dB(A) · Eco 27 dB(A) |
| Price | MSRP $5,199 | $814.99 |
| Room fit | ||
| Distance to screen | 1.1 m | 1.1 m |
| Brightness | ||
| Claimed brightness (non-standard) | 3,700 lm | 3,600 lm |
| Brightness uniformity | 75% | 75% |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.65 in | 0.65 in |
| On-screen resolution | 4K UHD (3840 × 2160)Derived | WXGA (1280 × 800)Derived |
| Native resolution | — | WXGA (1280 × 800) |
| Native aspect | 16:9Derived | 16:10Derived |
| Addressable resolution | 4K UHD (3840 × 2160) | — |
| Contrast | ||
| Dynamic contrast | 300,000:1 | 2,000,000:1 |
| Colour | ||
| Colour bit depth (per channel) | — | 10 bit |
| Gamma / EOTF presets | 2.2, 2.4 | — |
| HDR | ||
| HDR formats | HDR10, HLG | — |
| Calibration | ||
| Colour management (CMS) | 6-axis | — |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | Frame sequential | + Frame packing, + Side-by-side, + Top-bottom, Frame sequential |
| 3D glasses sync | DLP-Link | DLP-Link |
| Light source | ||
| Light source | Laser (phosphor) | Laser (phosphor) |
| Light-source life | 30,000 h | 30,000 h |
| Light output control | Steps | Steps |
| Cool-down time | — | 90 s |
| Optics | ||
| Throw ratio | 0.5:1 | 0.52:1 |
| Image size | 36–300 in | 30–300 in |
| Projection offset | 116% | 115% |
| Zoom | None | None |
| Focal length | 7.51 mm | 7.51 mm |
| Aperture (f-number) | 2.8 | 2.8 |
| Focus | Manual | Manual |
| Autofocus | — | No |
| Vertical keystone | 15° | 15° |
| Horizontal keystone | 15° | — |
| Corner correction | 4-corner | — |
| Grid warp | Yes | — |
| Motion & gaming | ||
| Max input refresh | 1080p: 240 Hz | — |
| Max refresh at 1080p | 240 HzDerived | — |
| Input lag | 1080p: 240 Hz 4.4 ms | 1080p: 60 Hz 17 ms |
| Lowest input lag | 4.4 msDerived | 17 msDerived |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI 2.0 | 2 × HDMI 1.4 |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 1.4Derived |
| Max input resolution | DCI 4K | — |
| Control ports | RS-232 | RS-232 |
| Control-system drivers | + AMX | + Crestron |
| Horizontal scan | 15–140 kHz | 15–140 kHz |
| Vertical scan | 24–240 Hz | 24–120 Hz |
| Smart platform | ||
| Ethernet | Yes | Yes |
| Audio | ||
| Speaker power | 15 W | 15 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 | 274 × 216 × 114 mm |
| Weight | 3,200 g | 3,000 g |
| Colours | White | White |
| Orientations | + Portrait, 360° | + Table, + Ceiling, + Rear, 360° |
| Ceiling mount | M4, screws ≥ 10 mm | — |
| Ingress protection | IP6X | IP6X |
| Sealed optical engine | — | Yes |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Altitude | 762 m | 2,500 m · high-altitude mode |
| Power draw | Max 185 W · Eco 126 W | Max 139 W · Normal 140 W · Eco 100 W |
| Standby | Up to 0.5 W | Up to 0.5 W |
| Networked standby | Up to 2 W | — |
| Power supply | External adapter | External adapter |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Max 35 dB(A) | Normal 34 dB(A) · Eco 27 dB(A) |
| Safety & compliance | ||
| Laser class | Class 1 | Class 1 |
| Risk group | RG2 | RG2 |
| FDA laser notice | Notice 57 | — |
| Marks | FCC | FCC |
| Support & ownership | ||
| Warranty | 1 yr (light source 5 yr or 12,000 h) | 1 yr (light source 5 yr or 12,000 h) |
| User manual | https://region-resource.optoma.com/products/import/Documents/cbd58627-8cc5-43de-9633-fa24cd20bd45.pdf | https://region-resource.optoma.com/products/import/Documents/02387d20-4b12-4d04-97e4-be316b803cf2.pdf |
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, User manual | Power cord, Remote, Remote batteries, User manual |
| Remote | IR | IR |