Epson PowerLite 905 vs NEC NP-UM351W
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
| Epson PowerLite 905 | NEC NP-UM351W | |
|---|---|---|
| Display system | ||
| Imaging technology | 3LCD | 3LCD |
| Technology brand | 3LCD | 3LCD |
| Number of imaging devices | 3 | — |
| Chip / panel diagonal | — | 0.59 in |
| Native aspect ratio | 4:3 | 16:10 |
| Native resolution | 1024 × 768 | 1280 × 800 |
| Optical system description | Poly-silicon TFT active matrix | — |
| Optics | ||
| Throw ratio | 1.38–2.24:1 | 0.36:1 |
| Throw reference point | — | Front |
| Projection distance table | 50″: 1.4–2.29 m · 80″: 2.26–3.68 m · 100″: 2.83–4.6 m · 150″: 4.26–6.92 m | 58″: 0.11 m · 60″: 0.12 m · 70″: 0.2 m · 80″: 0.28 m · 90″: 0.35 m · 100″: 0.43 m · 110″: 0.51 m |
| Zoom type | Optical | Digital |
| Zoom ratio | 1.6× | 1.4× |
| Focus | Manual | Manual |
| Vertical lens shift | 0% | — |
| Horizontal lens shift | 0% | — |
| Motorized lens shift | No | — |
| Fixed offset | — | 81% |
| Focal length | 18.2–29.2 mm | 4.78 mm |
| F-number | 1.51–1.99 | 1.8 |
| Interchangeable lens | No | No |
| Image size range | 30–300 in | 58–110 in |
| Vertical keystone | -30–30° | -10–10° |
| Horizontal keystone | -30–30° | -10–10° |
| Corner / warp correction | 4pt | 4pt |
| Light source | ||
| Light source type | Lamp | Lamp |
| Light source detail | 200 W UHE (E-TORL) lamp | 255 W AC lamp |
| Lamp wattage | 200 W | 255 W |
| Light source life | Normal: 5,000 h · Eco: 6,000 h | Eco: 6,000 h · Normal: 5,000 h · High bright: 3,800 h |
| Life definition | Unspecified | — |
| Warm-up time | 30 s | 6 s |
| Cool-down time | 0 s | 0 s |
| Light-source dimming | Manual steps | — |
| Brightness | ||
| ISO light output | 3,000 lm | 3,500 lm |
| Colour light output (CLO) | 3,000 lm (colour) | — |
| Brightness by mode | Normal: 3,000 lm · Eco: 2,400 lm | — |
| Contrast & black level | ||
| Dynamic contrast | 2,000:1 | 4,000:1 |
| Dynamic light control | Dynamic iris | Dynamic iris |
| Colour | ||
| Bit depth / 'number of colours' | 24 bit | 30 bit |
| Calibration & picture control | ||
| Picture mode memories | — | 7 |
| Audio | ||
| Speaker power | 16 W | 20 W |
| Speaker count | — | 1 |
| Audio channels | Mono | Mono |
| Audio outputs | 3.5 mm | 3.5 mm |
| Inputs, control & connectivity | ||
| Max input signal | 1920 × 1200 | 1920 × 1200 |
| HDMI port count | 1 | 2 |
| HDMI ports (feature-level) | HDMI: HDMI | HDMI 1/MHL: HDMI; HDMI 2: HDMI |
| Audio input terminals | — | 3.5 mm, Rca, Mic |
| Horizontal scan frequency | — | 15–100 kHz |
| Vertical scan frequency | — | 50–120 Hz |
| VGA input | Yes | Yes |
| USB media playback | Yes | Yes |
| RS-232 | Yes | Yes |
| LAN control | Yes | Yes |
| PJLink class | — | Class 1 |
| Control ecosystem drivers | Crestron | Crestron |
| Ethernet | Yes | Yes |
| 3D | ||
| 3D support | No | — |
| Setup automation | ||
| Autofocus | None | — |
| Auto keystone | Yes | — |
| Acoustic noise | ||
| Fan noise (sound pressure) | Normal: 33 dB(A) · Eco: 28 dB(A) | Eco: 28 dB(A) · Normal: 29 dB(A) · High bright: 37 dB(A) |
| Environment & power | ||
| Operating temperature | 5–35°C | 5–40°C |
| Operating humidity | 20–80%RH | 20–80%RH |
| Altitude / high-altitude mode | 2,286 m | 2,600 m |
| High-altitude mode | Yes | Yes |
| Operating orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Rated voltage | 100–240 V | 100–240 V |
| Rated frequency | 50–60 Hz | 50–60 Hz |
| Power consumption (max) | 313 W | 337 W |
| Power consumption by mode | Normal: 313 W · Eco: 264 W | Eco mode off: 324 W · Normal: 257 W · Eco: 214 W |
| Standby power | 0.29 W | 0.39 W |
| Networked standby power | 8.9 W | 2.4 W |
| Power supply | — | Internal |
| Physical & installation | ||
| Width | 345 mm | 378 mm |
| Depth | 263 mm | 428 mm |
| Height | 93 mm | 112 mm |
| Weight | 3.35 kg | 5.6 kg |
| Air filter | Replaceable | — |
| Safety & compliance | ||
| Safety & market certifications | FCC, UL | UL, FCC |
| Support & ownership | ||
| Warranty | 🇺🇸 US 2 yr · 🇨🇦 CA 2 yr | 🇪🇺 EU 3 yr |
| Light-source warranty | 90 days | 6 months, max. 1000 hrs |
| User manual | https://files.support.epson.com/pdf/pl92__/pl92__ug.pdf | https://sharp-displays.jp.sharp/support/webdl/dl_service/data/manual/en/um351w/UM351W_manual_ENG_v3.pdf |
| In the box | ||
| Box contents | Projector, Remote, Batteries, Power cord, Vga cable, Software cd, Manual cd | Remote, Vga cable, Power cord, Quick start guide, Manual cd, Wall mount kit, Security sticker |
| Remote type | — | IR |