Epson PowerLite W49 vs Panasonic PT-TX440
 Epson PowerLite W49$629 |  Panasonic PT-TX440 | |
|---|---|---|
| Key differences | ||
| White light outputISO | 3,800 lm ISO (Max power) | 3,800 lm ISO (Normal power, Dynamic mode) · 3,800 lm ANSI |
| Native resolution | WXGA (1280 × 800) | 1024 × 768 |
| Throw ratio | 1.3–1.56:1 | 0.46:1 |
| Fan noise | Normal 37 dB(A) · Eco 28 dB(A) | Normal 38 dB(A) · Eco 35 dB(A) |
| Price | $629 | — |
| Room fit | ||
| Distance to screen | 2.8–3.4 m | 0.93 m |
| Brightness | ||
| Rated brightness | 3,800 lmDerived | 3,800 lmDerived |
| White light outputISO | 3,800 lm ISO (Max power) | 3,800 lm ISO (Normal power, Dynamic mode) · 3,800 lm ANSI |
| Colour light output | 3,800 lm (Max power) | — |
| Brightness uniformity | — | 85% |
| Brightness by mode | Max 3,800 lm · Normal 3,700 lm · Eco 2,600 lm | — |
| Eco brightness | 68%Derived | — |
| Display system | ||
| Imaging technology | 3LCD | 3LCD |
| Chip / panel diagonal | 0.59 in | 0.63 in |
| On-screen resolution | WXGA (1280 × 800)Derived | 1024 × 768Derived |
| Native resolution | WXGA (1280 × 800) | 1024 × 768 |
| Native aspect | 16:10Derived | 4:3Derived |
| Contrast | ||
| Dynamic contrast | 16,000:1 | 20,000:1 |
| Dynamic contrast method | Iris + light-source dimming | — |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | 8 bit |
| Light source | ||
| Light source | Lamp | Lamp |
| Lamp power | 210 W | 230 W |
| Replacement lamp | — | ET-LAL510 |
| Light-source life | 8,000 h normal · 17,000 h eco | 10,000 h normal · 20,000 h eco |
| Life defined as | — | 50% brightness |
| Light output control | Steps | — |
| Cool-down time | 0 s | — |
| Optics | ||
| Throw ratio | 1.3–1.56:1 | 0.46:1 |
| Image size | 33–320 in | 50–100 in |
| Zoom | Optical | None |
| Zoom ratio | 1.2×Derived | — |
| Focal length | 16.9–20.28 mm | 6.08 mm |
| Aperture (f-number) | 1.49–1.72 | 1.8 |
| Focus | Manual | Manual |
| Autofocus | No | — |
| Vertical lens shift | None | — |
| Horizontal lens shift | None | — |
| Vertical keystone | 30° | 15° |
| Horizontal keystone | 30° | 15° |
| Auto keystone | Yes | Yes |
| Corner correction | 4-corner | 4-corner |
| Grid warp | — | Yes |
| Interchangeable lens | No | No |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI | 2 × HDMI (HDCP 1.4) |
| HDMI inputs (count) | 2Derived | 2Derived |
| Other video inputs | VGA | VGA, + Composite |
| Max input resolution | 1080p | — |
| Audio inputs | 3.5 mm, RCA | 3.5 mm, RCA |
| USB media playback | Yes | Yes |
| Control ports | RS-232 | RS-232 |
| PJLink | — | Class 2 |
| Control-system drivers | Control4, Crestron | — |
| Vertical scan | 24–85 Hz | — |
| Smart platform | ||
| Wi-Fi | None | — |
| Ethernet | Yes | Yes |
| Audio | ||
| Speaker power | 5 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) | 302 × 249 × 92 mm | 335 × 329 × 134 mm |
| Weight | 2,700 g | 3,900 g |
| Colours | White | — |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Ceiling mount | 3 × M4, 9 mm screws | M4, 10 mm deep, 1.25 N·m |
| Dust filter | Replaceable | Replaceable |
| Environment & power | ||
| Operating temperature | 5–35°C | 5–40°C |
| Operating humidity | 20–80%RH | 20–80%RH |
| Altitude | 3,048 m · high-altitude mode | 2,700 m |
| Power draw | Max 345 W · Normal 345 W · Eco 235 W | Max 300 W |
| Standby | 0.3 W | 0.5 W |
| Networked standby | 2 W | — |
| Power supply | — | Built in |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 37 dB(A) · Eco 28 dB(A) | Normal 38 dB(A) · Eco 35 dB(A) |
| Safety & compliance | ||
| Marks | FCC, + UL | FCC |
| Support & ownership | ||
| Warranty | 🇺🇸 US 2 yr (light source 3 mo) · 🇪🇺 EU 3 yr | — |
| User manual | https://files.support.epson.com/docid/cpd5/cpd59679.pdf | https://bizpartner.panasonic.net/public/ppr/file_view/194386 |
| Spare parts | — | Lamp ET-LAL510 · Air filter ET-RFL300 |
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, + Quick start guide, + Warranty card, + HDMI cable, + Software CD | Power cord, Remote, Remote batteries |