Optoma UHZ35 vs ViewSonic PX703HD
 Optoma UHZ35MSRP $2,199 |  MSRP $695 | |
|---|---|---|
| Key differences | ||
| White light output | — | 3,500 lm ANSI |
| Throw ratio | 1.4–2.24:1 | 1.13–1.47:1 |
| Lowest input lag | 4.4 msDerived | — |
| HDR formats | HDR10, HLG | — |
| Light source | Laser (phosphor) | Lamp |
| Fan noise | Normal 35 dB(A) · Eco 28 dB(A) | — |
| Price | MSRP $2,199 | MSRP $695 |
| Room fit | ||
| Distance to screen | 3.1–5.0 m | 2.5–3.3 m |
| Brightness | ||
| Rated brightness | — | 3,500 lmDerived |
| White light output | — | 3,500 lm ANSI |
| Claimed brightness (non-standard) | 3,500 lm | — |
| Brightness uniformity | 80% | — |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.65 in | — |
| On-screen resolution | 4K UHD (3840 × 2160)Derived | 1080p (1920 × 1080)Derived |
| Native resolution | 1080p (1920 × 1080) | 1080p (1920 × 1080) |
| Native aspect | 16:9Derived | 16:9Derived |
| Pixel shift | XPR 4-way | — |
| Addressable resolution | 4K UHD (3840 × 2160) | — |
| Contrast | ||
| Dynamic contrast | 500,000:1 | — |
| Colour | ||
| Colour bit depth (per channel) | — | 10 bit |
| HDR | ||
| HDR formats | HDR10, HLG | — |
| 3D | ||
| 3D | Yes | 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 | — | 203 W |
| Light-source life | 30,000 h eco | 5,000 h normal · 20,000 h dynamic |
| Cool-down time | 90 s | — |
| Optics | ||
| Throw ratio | 1.4–2.24:1 | 1.13–1.47:1 |
| Image size | 26–303 in | 30–300 in |
| Projection offset | 116% | — |
| Zoom | Optical | Optical |
| Zoom ratio | 1.6×Derived | 1.3×Derived |
| Focal length | 20.91–32.62 mm | — |
| Vertical keystone | 30° | 40° |
| Horizontal keystone | 30° | — |
| Motion & gaming | ||
| Max input refresh | 1080p: 240 Hz · 4K UHD: 60 Hz | — |
| Max refresh at 1080p | 240 HzDerived | — |
| Max refresh at 4K | 60 HzDerived | — |
| Input lag | 1080p: 240 Hz 4.4 ms · 4K UHD: 60 Hz 17 ms | — |
| Lowest input lag | 4.4 msDerived | — |
| Input lag at 4K 60 Hz | 17 msDerived | — |
| Inputs & control | ||
| HDMI inputs | HDMI 2.0 · HDMI 2.0 (eARC) | 2 × HDMI 1.4 |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 1.4Derived |
| Other video inputs | — | VGA |
| Max input resolution | — | 1080p |
| Audio inputs | — | 3.5 mm |
| Control ports | RS-232 | RS-232 |
| Horizontal scan | 15–140 kHz | 15–102 kHz |
| Vertical scan | 24–240 Hz | 23–120 Hz |
| Smart platform | ||
| Ethernet | Yes | — |
| Audio | ||
| Speaker power | 15 W | 10 W |
| Speakers | 1 | 1 |
| Audio outputs | 3.5 mm, + HDMI eARC | 3.5 mm |
| HDMI audio return | eARCDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 274 × 216 × 114 mm | 312 × 222 × 108 mm |
| Weight | 3,000 g | 2,600 g |
| Colours | White | White |
| Orientations | Table, Ceiling, Rear, + 360° | Table, Ceiling, Rear |
| Ceiling mount | M4, 10 mm screws | M4, screws ≤ 8 mm |
| Ingress protection | IP6X (light engine) | — |
| Sealed optical engine | Yes | — |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | — | 0–90%RH |
| Altitude | 3,048 m · high-altitude mode | 3,000 m |
| Power draw | Max 185 W · Eco 126 W | 300 W |
| Standby | Up to 0.5 W | Up to 0.5 W |
| Networked standby | Up to 2 W | — |
| Power supply | External adapter | — |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V |
| Noise | ||
| Fan noise | Normal 35 dB(A) · Eco 28 dB(A) | — |
| Safety & compliance | ||
| Laser class | Class 1 | — |
| Risk group | RG2 | — |
| FDA laser notice | Notice 57 | — |
| Support & ownership | ||
| Warranty | 1 yr | 3 yr (light source 1 yr) |
| User manual | https://region-resource.optoma.com/products/import/Documents/cbd58627-8cc5-43de-9633-fa24cd20bd45.pdf | https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/PX703HD/PX703HD_PX703HDH_UG_ENG.pdf |
| In the box | ||
| In the box | Power cord, Remote, + Remote batteries, Quick start guide | Power cord, Remote, Quick start guide, + VGA cable |