Goiaey GO2 vs ViewSonic PX747-4K
| Goiaey GO2 $289.99 |  MSRP $1,189 | |
|---|---|---|
| Key differences | ||
| Native resolution | 1080p (1920 × 1080) | — |
| Throw ratio | 1:1 | 1.47–1.76:1 |
| Light source | LED | Lamp |
| Price | $289.99 | MSRP $1,189 |
| Room fit | ||
| Distance to screen | 2.2 m | 3.3–3.9 m |
| Brightness | ||
| Rated brightness | 3,500 lmDerived | 3,500 lmDerived |
| White light outputANSI | 3,500 lm ANSI | 3,500 lm ANSI |
| Display system | ||
| Imaging technology | Single-panel LCD | DLP |
| On-screen resolution | 1080p (1920 × 1080)Derived | 4K UHD (3840 × 2160)Derived |
| Native resolution | 1080p (1920 × 1080) | — |
| Native aspect | 16:9Derived | 16:9Derived |
| Pixel shift | — | Yes (scheme not stated) |
| Addressable resolution | — | 4K UHD (3840 × 2160) |
| Colour wheel segments | — | 6 |
| Contrast | ||
| Dynamic contrast | — | 12,000:1 |
| Colour | ||
| Colour bit depth (per channel) | — | 10 bit |
| Light source | ||
| Light source | LED | Lamp |
| Lamp power | — | 240 W |
| Replacement lamp | — | RLC-117 |
| Light-source life | — | 4,000 h normal · 15,000 h dynamic |
| Optics | ||
| Throw ratio | 1:1 | 1.47–1.76:1 |
| Image size | — | 30–300 in |
| Zoom | — | Optical |
| Zoom ratio | — | 1.2×Derived |
| Focus | — | Manual |
| Autofocus | — | No |
| Vertical lens shift | — | None |
| Horizontal lens shift | — | None |
| Vertical keystone | — | 40° |
| Auto setup | Fit to screen | — |
| Inputs & control | ||
| HDMI inputs | — | HDMI 2.0 (HDCP 2.2) · HDMI 1.4 (HDCP 1.4) |
| HDMI inputs (count) | — | 2Derived |
| Newest HDMI version | — | HDMI 2.0Derived |
| Other video inputs | — | VGA |
| Max input resolution | — | 4K UHD |
| Control ports | — | RS-232, 12 V trigger |
| Horizontal scan | — | 15–135 kHz |
| Vertical scan | — | 23–120 Hz |
| Smart platform | ||
| Wi-Fi | Wi-Fi 6 | — |
| Audio | ||
| Speaker power | — | 10 W |
| Speakers | — | 1 |
| Layout | — | Mono |
| Audio outputs | — | 3.5 mm |
| HDMI audio return | — | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | — | 332 × 261 × 135 mm |
| Weight | — | 4,200 g |
| Orientations | — | Table, Ceiling, Rear |
| Ceiling mount | — | M4, screws ≤ 8 mm |
| Environment & power | ||
| Operating temperature | — | 0–40°C |
| Operating humidity | — | 0–90%RH |
| Power draw | — | 310 W |
| Standby | — | Up to 0.5 W |
| Mains input | — | 100–240 V · 50/60 Hz |
| Safety & compliance | ||
| Risk group | — | RG2 |
| Marks | — | FCC |
| Support & ownership | ||
| Warranty | — | 3 yr (light source 1 yr) |
| User manual | — | https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/PX727-4K_PX747-4K/PX727-4K_PX747-4K_UG_ENG.pdf |
| In the box | ||
| In the box | — | Power cord, Remote, Quick start guide, VGA cable |