NEC NP-UM330X vs Panasonic PT-TW381R
 MSRP $1,099 |  Panasonic PT-TW381R | |
|---|---|---|
| Key differences | ||
| White light outputISO | 3,300 lm ISO | 3,300 lm ISO (Normal power, Dynamic mode) · 3,300 lm ANSI |
| Native resolution | 1024 × 768 | WXGA (1280 × 800) |
| Throw ratio | 0.36:1 | 0.46:1 |
| Fan noise | Normal 35 dB(A) · Eco 32 dB(A) | Normal 38 dB(A) · Eco 35 dB(A) |
| Price | MSRP $1,099 | — |
| Room fit | ||
| Distance to screen | 0.73 m | 0.99 m |
| Brightness | ||
| Rated brightness | 3,300 lmDerived | 3,300 lmDerived |
| White light outputISO | 3,300 lm ISO | 3,300 lm ISO (Normal power, Dynamic mode) · 3,300 lm ANSI |
| Brightness uniformity | — | 85% |
| Display system | ||
| Imaging technology | 3LCD | 3LCD |
| Chip / panel diagonal | 0.63 in | 0.59 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 | 20,000:1 |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | 8 bit |
| 3D | ||
| 3D | No | — |
| Light source | ||
| Light source | Lamp | Lamp |
| Lamp power | 265 W | 230 W |
| Replacement lamp | NP17LP-UM | ET-LAL510 |
| Light-source life | 3,000 h max · 3,500 h normal · 6,000 h eco | 10,000 h normal · 20,000 h eco |
| Life defined as | — | 50% brightness |
| Light output control | Steps | — |
| Warm-up time | 3 s | — |
| Cool-down time | 0 s | — |
| Optics | ||
| Throw ratio | 0.36:1 | 0.46:1 |
| Image size | 61.5–117 in | 50–100 in |
| Zoom | Digital | None |
| Focal length | 4.78 mm | 6.08 mm |
| Aperture (f-number) | 1.8 | 1.8 |
| Focus | Manual | Manual |
| Autofocus | No | — |
| Vertical lens shift | None | — |
| Horizontal lens shift | None | — |
| Vertical keystone | 10° | 15° |
| Horizontal keystone | — | 15° |
| Auto keystone | — | Yes |
| Corner correction | — | 4-corner |
| Grid warp | — | Yes |
| Interchangeable lens | No | No |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI | — |
| HDMI inputs (count) | 2Derived | — |
| Other video inputs | VGA | VGA, + Composite |
| Max input resolution | WUXGA | — |
| Audio inputs | — | 3.5 mm, RCA |
| USB media playback | Yes | Yes |
| Control ports | RS-232 | RS-232 |
| PJLink | Class 1 | Class 2 |
| Control-system drivers | Crestron | Crestron, + AMX |
| Horizontal scan | 15–100 kHz | — |
| Vertical scan | 50–120 Hz | — |
| Smart platform | ||
| Wi-Fi | None | — |
| Ethernet | Yes | Yes |
| Audio | ||
| Speaker power | 16 W | 10 W |
| Speakers | 1 | — |
| Layout | Mono | Mono |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 378 × 428 × 112 mm | 335 × 329 × 134 mm |
| Weight | 5,700 g | 3,900 g |
| Colours | — | White |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Ceiling mount | — | 4 × M4, 10 mm deep, 1.25 N·m |
| Dust filter | Replaceable | Replaceable |
| Environment & power | ||
| Operating temperature | 5–40°C | 5–40°C |
| Operating humidity | 20–80%RH | 20–80%RH |
| Altitude | High-altitude mode | 2,700 m |
| Power draw | Max 360 W · Normal 272 W · Eco 239 W | Max 300 W |
| Standby | 0.2 W | 0.5 W |
| Networked standby | 8 W | — |
| Power supply | — | Built in |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 35 dB(A) · Eco 32 dB(A) | Normal 38 dB(A) · Eco 35 dB(A) |
| Safety & compliance | ||
| Marks | FCC, + UL | FCC |
| Support & ownership | ||
| Warranty | 2 yr | — |
| User manual | https://sharp-displays.jp.sharp/support/webdl/dl_service/data/manual/english/UM330X_manual_ENG.pdf | https://eu.connect.panasonic.com/sites/default/files/media/document/2025-01/tw381r_manual_en.pdf |
| Spare parts | — | Lamp ET-LAL510 · Air filter ET-RFL300 |
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, + Quick start guide, + VGA cable, + Software CD | Power cord, Remote, Remote batteries, + USB cable |
| Remote | IR | — |