Optoma HD146X vs ViewSonic PX700HDH
 $599 |  ViewSonic PX700HDHMSRP $599 | |
|---|---|---|
| Key differences | ||
| White light outputANSI | 3,600 lm ANSI | 3,700 lm ANSI |
| Throw ratio | 1.47–1.62:1 | 1.49–1.64:1 |
| Lowest input lag | 16 msDerived | — |
| Fan noise | Normal 28 dB(A) · Eco 26 dB(A) | — |
| Room fit | ||
| Distance to screen | 3.3–3.6 m | 3.3–3.6 m |
| Brightness | ||
| Rated brightness | 3,600 lmDerived | 3,700 lmDerived |
| White light outputANSI | 3,600 lm ANSI | 3,700 lm ANSI |
| Brightness uniformity | 80% | — |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.47 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 | 6 |
| Contrast | ||
| Dynamic contrast | 25,000:1 | 22,000:1 |
| Dynamic contrast method | Light-source dimming | Light-source dimming |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | 10 bit |
| Gamma / EOTF presets | 2.2, 2.4 | — |
| Calibration | ||
| Colour management (CMS) | 6-axis | — |
| Picture mode memories | — | 2 |
| Picture certifications | ISF | — |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | Frame packing, Side-by-side, Top-bottom | Frame packing, Side-by-side, Top-bottom, + Frame sequential |
| 3D glasses sync | DLP-Link | — |
| Light source | ||
| Light source | Lamp | Lamp |
| Lamp power | 240 W | 203 W |
| Light-source life | 4,000 h max · 10,000 h eco · 15,000 h dynamic | 6,000 h normal · 20,000 h dynamic |
| Optics | ||
| Throw ratio | 1.47–1.62:1 | 1.49–1.64:1 |
| Image size | 28–301 in | 30–300 in |
| Projection offset | 116% | — |
| Zoom | Optical | Optical |
| Zoom ratio | 1.1×Derived | 1.1×Derived |
| Focal length | 15.59–17.14 mm | — |
| Aperture (f-number) | 2.1–2.31 | — |
| Focus | Manual | Manual |
| Autofocus | No | — |
| Vertical keystone | 40° | 40° |
| Motion & gaming | ||
| Max input refresh | — | WXGA: 120 Hz · 1080p: 60 Hz |
| Max refresh at 1080p | — | 60 HzDerived |
| Input lag | 1080p: 60 Hz 16 ms | — |
| Lowest input lag | 16 msDerived | — |
| Inputs & control | ||
| HDMI inputs | HDMI 1.4 | 2 × HDMI 1.4 (HDCP 1.4) |
| HDMI inputs (count) | 1Derived | 2Derived |
| Newest HDMI version | HDMI 1.4Derived | HDMI 1.4Derived |
| Max input resolution | WUXGA | WUXGA |
| Control ports | — | RS-232 |
| Horizontal scan | 15.38–91.15 kHz | 15–102 kHz |
| Vertical scan | 24–85 Hz | 23–120 Hz |
| Audio | ||
| Speaker power | 3 W | 10 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) | 316 × 244 × 109 mm | 293 × 221 × 115 mm |
| Weight | 2,800 g | 2,400 g |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Ceiling mount | M4 | M4, screws ≤ 8 mm |
| Environment & power | ||
| Operating temperature | 5–40°C | 0–40°C |
| Operating humidity | 10–85%RH | 0–90%RH |
| Altitude | 3,000 m · high-altitude mode | 3,000 m · high-altitude mode |
| Power draw | Max 325 W · Normal 295 W · Eco 215 W | 300 W |
| Standby | 0.5 W | Up to 0.5 W |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 28 dB(A) · Eco 26 dB(A) | — |
| Safety & compliance | ||
| Risk group | RG2 | RG2 |
| Marks | CE, FCC | CE, FCC |
| Support & ownership | ||
| Warranty | 1 yr (light source 3 mo) | 3 yr (light source 1 yr) |
| User manual | — | https://www.viewsonicglobal.com/public/products_download/user_guide/projector/PX700HDH/PX700HDH_UG_ENG.pdf |
| In the box | ||
| In the box | Power cord, Remote, + Remote batteries, Quick start guide | Power cord, Remote, Quick start guide |
| Remote | IR | — |