NEC NP-M271X vs ViewSonic LS500WH
 |  ViewSonic LS500WHMSRP $399 | |
|---|---|---|
| Key differences | ||
| White light output | 2,700 lm ISO (Bright mode) | 2,000 lm ANSI |
| Native resolution | 1024 × 768 | WXGA (1280 × 800) |
| Throw ratio | 1.3–2.2:1 | 1.55–1.7:1 |
| Light source | Lamp | LED |
| Fan noise | Max 33 dB(A) · Normal 26 dB(A) · Eco 26 dB(A) | — |
| Price | — | MSRP $399 |
| Room fit | ||
| Distance to screen | 2.6–4.5 m | 3.3–3.7 m |
| Brightness | ||
| Rated brightness | 2,700 lmDerived | 2,000 lmDerived |
| White light output | 2,700 lm ISO (Bright mode) | 2,000 lm ANSI |
| Claimed brightness (non-standard) | — | 3,000 lm (LED lumens) |
| Brightness by mode | Max 2,700 lm · Normal 2,160 lm · Eco 1,620 lm | — |
| Eco brightness | 60%Derived | — |
| Display system | ||
| Imaging technology | 3LCD | DLP |
| Chip / panel diagonal | 0.63 in | 0.65 in |
| On-screen resolution | 1024 × 768Derived | WXGA (1280 × 800)Derived |
| Native resolution | 1024 × 768 | WXGA (1280 × 800) |
| Native aspect | 4:3Derived | 16:10Derived |
| Contrast | ||
| Dynamic contrast | 3,000:1 | 3,000,000:1 |
| Dynamic contrast method | Dynamic iris | Light-source dimming |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | 10 bit |
| Colour temperature presets | — | D93, D65 |
| Calibration | ||
| Picture mode memories | 7 | 2 |
| 3D | ||
| 3D | — | Yes |
| 3D formats | — | Frame packing, Side-by-side, Top-bottom, Frame sequential |
| Light source | ||
| Light source | Lamp | LED |
| Emitter | — | RGB LED |
| Lamp power | 180 W | — |
| Light-source life | 5,000 h max · 6,000 h normal · 10,000 h eco | 30,000 h |
| Light output control | Steps | — |
| Warm-up time | 3 s | — |
| Optics | ||
| Throw ratio | 1.3–2.2:1 | 1.55–1.7:1 |
| Image size | 25–300 in | 30–300 in |
| Zoom | Optical | Optical |
| Zoom ratio | 1.69×Derived | 1.1×Derived |
| Focal length | 17.5–29 mm | 22–24.1 mm |
| Aperture (f-number) | 1.7–2.1 | 2.56–2.68 |
| Focus | Manual | Manual |
| Autofocus | No | — |
| Vertical lens shift | — | None |
| Horizontal lens shift | — | None |
| Vertical keystone | 30° | 40° |
| Auto keystone | 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 |
| Other video inputs | VGA | — |
| Max input resolution | WUXGA | 1080p |
| Audio inputs | 3.5 mm, + RCA | 3.5 mm |
| USB media playback | Yes | — |
| Control ports | RS-232 | RS-232 |
| PJLink | Class 1 | — |
| Control-system drivers | Crestron | — |
| Horizontal scan | 15–100 kHz | 15–102 kHz |
| Vertical scan | 50–120 Hz | 23–120 Hz |
| Smart platform | ||
| Ethernet | Yes | — |
| Audio | ||
| Speaker power | 10 W | 2 W |
| Speakers | 1 | 1 |
| Layout | Mono | Mono |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 339 × 257 × 99 mm | 293 × 221 × 115 mm |
| Weight | 2,990 g | 2,450 g |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Ceiling mount | — | M4, screws ≤ 8 mm |
| Dust filter | — | None |
| Ingress protection | — | IP5X (light engine) |
| Sealed optical engine | — | Yes |
| Environment & power | ||
| Operating temperature | 5–40°C | 0–40°C |
| Operating humidity | 20–80%RH | 0–90%RH |
| Altitude | 2,600 m · high-altitude mode | 3,000 m · high-altitude mode |
| Power draw | Max 239 W · Normal 193 W · Eco 172 W | 156 W |
| Standby | 0.4 W | Up to 0.5 W |
| Networked standby | 8 W | — |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Max 33 dB(A) · Normal 26 dB(A) · Eco 26 dB(A) | — |
| Safety & compliance | ||
| Risk group | — | RG2 |
| Marks | CE, FCC, + UL | CE, FCC |
| Support & ownership | ||
| Warranty | 3 yr (light source 6 mo or 1,000 h) | 3 yr (light source 1 yr) |
| User manual | https://sharp-displays.jp.sharp/support/webdl/dl_service/data/manual/en/m361x/M361X_manual_ENG_v3.pdf | https://www.viewsonicglobal.com/public/products_download/user_guide/projector/LS500W_LS500WH_LS550W_LS550WH/LS500W_LS500WH_LS550W_LS550WH_UG_ENG.pdf |
| In the box | ||
| In the box | Power cord, Remote, + Remote batteries, + VGA cable, + Carry case, + Software CD | Power cord, Remote, + Quick start guide |
| Remote | IR | IR |