Nebula Astro vs ViewSonic M1 mini Plus
| Nebula Astro MSRP $199 |  MSRP $149 | |
|---|---|---|
| Key differences | ||
| White light outputANSI | 100 lm ANSI | 50 lm ANSI |
| Throw ratio | 1.3:1 | 1.2:1 |
| Fan noise | — | Normal 26 dB(A) · Eco 25 dB(A) |
| Price | MSRP $199 | MSRP $149 |
| Room fit | ||
| Distance to screen | 2.9 m | 2.7 m |
| Brightness | ||
| Rated brightness | 100 lmDerived | 50 lmDerived |
| White light outputANSI | 100 lm ANSI | 50 lm ANSI |
| Claimed brightness (non-standard) | — | 120 lm (LED lumens) |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.2 in | 0.2 in |
| On-screen resolution | 480p (854 × 480)Derived | 480p (854 × 480)Derived |
| Native resolution | 480p (854 × 480) | 480p (854 × 480) |
| Native aspect | 16:9Derived | 16:9Derived |
| Contrast | ||
| Dynamic contrast | 400:1 | 120,000:1 |
| Colour | ||
| Colour bit depth (per channel) | — | 10 bit |
| 3D | ||
| 3D | — | Yes |
| 3D formats | — | Frame packing, Side-by-side, Top-bottom, Frame sequential |
| Light source | ||
| Light source | LED | LED |
| Emitter | RGB LED | RGB LED |
| Light-source life | — | 30,000 h |
| Optics | ||
| Throw ratio | 1.3:1 | 1.2:1 |
| Image size | 20–100 in | 24–100 in |
| Zoom | None | None |
| Focal length | — | 7.5 mm |
| Aperture (f-number) | — | 1.7 |
| Focus | Manual | Manual |
| Vertical lens shift | — | None |
| Vertical keystone | — | 40° |
| Auto keystone | Yes | Yes |
| Interchangeable lens | — | No |
| Inputs & control | ||
| HDMI inputs | HDMI | HDMI 1.4 (HDCP 1.4) |
| HDMI inputs (count) | 1Derived | 1Derived |
| Newest HDMI version | — | HDMI 1.4Derived |
| Max input resolution | — | 1080p |
| USB media playback | Yes | Yes |
| Horizontal scan | — | 15–102 kHz |
| Vertical scan | — | 23–120 Hz |
| Smart platform | ||
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 4.2 | 4.2 |
| Smart platform | Android (uncertified) | — |
| OS version | 7.1 | — |
| Google-certified | No | — |
| RAM | 1 GB | — |
| Storage | 8 GB | 8 GB |
| Audio | ||
| Speaker power | 3 W | 2 W |
| Speakers | — | 1 |
| Layout | — | Mono |
| Tuned by | — | JBL |
| Audio outputs | Bluetooth | Bluetooth |
| HDMI audio return | NoneDerived | NoneDerived |
| Bluetooth speaker mode | Yes | Yes |
| Physical & installation | ||
| Dimensions (W × D × H) | 89.2 × 82 × 91.2 mm | 110 × 104 × 27 mm |
| Weight | 370 g | 280 g |
| Colours | White | — |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Built-in stand | — | Stand |
| Tripod socket | Yes | — |
| Environment & power | ||
| Operating temperature | 5–35°C | 0–40°C |
| Operating humidity | 15–85%RH | 0–90%RH |
| Power draw | Up to Max 10 W | 20 W |
| Standby | Up to 0.5 W | Up to 0.5 W |
| Power supply | USB-C | — |
| Mains input | — | 100–240 V · 50/60 Hz |
| DC input | 5 V | 5 V |
| Battery | — | 18.5 WhDerived |
| Battery runtime | About 150 min | 84 min |
| Noise | ||
| Fan noise | — | Normal 26 dB(A) · Eco 25 dB(A) |
| Safety & compliance | ||
| Eye-protection sensor | Yes | — |
| Marks | — | CE, FCC |
| Support & ownership | ||
| Warranty | 1 yr | 1 yr |
| User manual | https://www.projectorcentral.com/pdf/projector_manual_11318.pdf | https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/M1_Mini_Plus/M1_Mini_Plus_UG_ENG.pdf |
| In the box | ||
| In the box | Power adapter, Remote, Remote batteries, + USB cable | Power adapter, Remote, Remote batteries, + Quick start guide |