Sharp XP-P621U-W vs ViewSonic LS900WU
 |  MSRP $3,953 | |
|---|---|---|
| Key differences | ||
| White light outputANSI | 6,200 lm ISO · 6,200 lm ANSI | 6,000 lm ANSI |
| Throw ratio | 1.08–1.76:1 | 1.2–1.9:1 |
| Fan noise | Normal 29 dB(A) · Eco 22 dB(A) | — |
| Price | — | MSRP $3,953 |
| Room fit | ||
| Distance to screen | 2.3–3.8 m | 2.6–4.1 m |
| Brightness | ||
| Rated brightness | 6,200 lmDerived | 6,000 lmDerived |
| White light outputANSI | 6,200 lm ISO · 6,200 lm ANSI | 6,000 lm ANSI |
| Display system | ||
| Imaging technology | 3LCD | DLP |
| Chip / panel diagonal | 0.64 in | — |
| On-screen resolution | WUXGA (1920 × 1200)Derived | WUXGA (1920 × 1200)Derived |
| Native resolution | WUXGA (1920 × 1200) | WUXGA (1920 × 1200) |
| Native aspect | 16:10Derived | 16:10Derived |
| Contrast | ||
| Dynamic contrast | 3,000,000:1 | 100,000:1 |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | 10 bit |
| 3D | ||
| 3D | — | Yes |
| 3D formats | — | Side-by-side, Top-bottom, Frame sequential |
| Light source | ||
| Light source | Laser (phosphor) | Laser (phosphor) |
| Emitter | Blue laser + phosphor | Blue laser + phosphor |
| Light-source life | 20,000 h | 20,000 h normal · 30,000 h dynamic |
| Life defined as | 50% brightness | — |
| Light output control | Continuous | — |
| Constant brightness mode | Yes | — |
| Optics | ||
| Throw ratio | 1.08–1.76:1 | 1.2–1.9:1 |
| Image size | 30–300 in | 50–300 in |
| Zoom | Optical | Optical |
| Zoom ratio | 1.63×Derived | 1.58×Derived |
| Focal length | 15.3–24.6 mm | — |
| Aperture (f-number) | 1.58–2.02 | — |
| Focus | Manual | — |
| Vertical lens shift | 0–44% | -2.4–9.2% |
| Horizontal lens shift | ±20% | ±2.5% |
| Motorised lens shift | No | — |
| Vertical keystone | 30° | 25° |
| Horizontal keystone | 30° | 30° |
| Corner correction | — | 4-corner |
| Grid warp | Yes | — |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI (HDCP 1.4) | 3 × HDMI 1.4 |
| HDMI inputs (count) | 2Derived | 3Derived |
| Newest HDMI version | — | HDMI 1.4Derived |
| Other video inputs | HDBaseT | + VGA, + Composite, HDBaseT |
| Max input resolution | 4K UHD | WUXGA |
| Audio inputs | — | 3.5 mm, RCA |
| Control ports | RS-232 | RS-232 |
| Control-system drivers | Crestron, AMX | Crestron, AMX |
| Horizontal scan | 15–100 kHz | 15–102 kHz |
| Vertical scan | 50–120 Hz | 23–120 Hz |
| Smart platform | ||
| Wi-Fi | None | — |
| Ethernet | Yes | — |
| Audio | ||
| Speaker power | 16 W | 10 W |
| Speakers | 1 | 2 |
| Layout | Mono | — |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 480 × 407 × 143 mm | 360 × 440 × 161 mm |
| Weight | 9,600 g | 11,000 g |
| Colours | White | — |
| Orientations | + Table, + Ceiling, + Rear, Portrait, 360° | Portrait, 360° |
| Ceiling mount | 4 × M4 | M4, screws ≤ 12 mm |
| Dust filter | None | — |
| Ingress protection | IP5X (light engine) | — |
| Sealed optical engine | Yes | — |
| Environment & power | ||
| Operating temperature | 0–45°C | 0–40°C |
| Operating humidity | 20–80%RH | 10–90%RH |
| Altitude | 2,600 m · high-altitude mode | 3,000 m |
| Power draw | Normal 315 W · Eco 260 W | 430 W |
| Standby | 0.31 W | Up to 0.5 W |
| Networked standby | 0.8 W | — |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 29 dB(A) · Eco 22 dB(A) | — |
| Safety & compliance | ||
| Laser class | Class 1 | Class 1 (US: Class 3R) |
| Risk group | RG2 | RG2 |
| FDA laser notice | — | Notice 50 |
| Marks | + CE, + UKCA, FCC, UL | FCC, UL |
| Support & ownership | ||
| Warranty | 🇨🇦 CA 5 yr or 20,000 h · 🇪🇺 EU 3 yr (light source 3 yr or 10,000 h) | 5 yr or 20,000 h (light source 5 yr or 20,000 h) |
| User manual | https://www.projectorcentral.com/pdf/projector_manual_12885.pdf | https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS900WU/LS900WU_UG_ENG.pdf |
| In the box | ||
| In the box | Power cord, Remote, + Remote batteries, Quick start guide, + Lens cap | Power cord, Remote, Quick start guide, + VGA cable |
| Remote | IR | — |