BenQ LW550 vs Casio XJ-M251
 BenQ LW550MSRP $849 | '%3e%3cpath%20id='path5'%20class='st0'%20d='M43.3,456c-2.5-0.6-3.1-1.9-3.4-4.3c-0.6-4-0.6-14,0-18.3c0.3-2.2,1.6-3.4,3.4-4%20c2.2-0.6,22-0.9,24.2,0c1.9,0.6,2.5,1.9,2.8,3.7c0.9,4,0.9,14.3,0,18.3c-0.3,1.9-0.9,2.8-2.8,3.7C65.7,456.6,46.1,456.6,43.3,456%20L43.3,456z%20M74,415.6c-5.9-1.2-28.6-1.6-37.6,0c-6.8,1.2-12.1,6.2-13.7,12.4c-1.2,7.1-1.2,23,0,29.5c1.2,5.9,6.2,11.2,13.7,12.4%20c7.8,1.6,30.7,1.2,37.9-0.3c8.4-1.9,11.8-8.1,12.7-12.1c1.2-6.2,1.2-22,0-29.5C85.5,421.5,79.9,416.9,74,415.6L74,415.6z%20M-3.9,416%20h17.1v53.7H-3.9V416z%20M-31.2,449.2c2.8,0.6,3.4,2.8,3.4,4.7c0,1.9-0.3,4-3.4,4.3c-3.4,0.6-14.9,0.6-19.2,0c-1.9-0.3-4-0.3-4.7-3.7%20v-0.9h-17.1c0,0.3,0,1.2,0.3,2.5c0.6,7.1,3.4,12.1,11.5,13.7c6.5,1.2,31,1.6,38.5,0c8.7-1.9,10.9-9.6,10.9-16.5%20c0-7.8-2.8-13-9.6-15.2c-1.9-0.6-6.2-0.9-8.1-0.9c-1.6,0-19.9-0.6-23.9-1.2c-2.5-0.3-3.1-1.9-3.1-4c0-2.2,0.3-3.7,3.4-4.3%20c3.7-0.6,18.3-0.6,19.9,0c1.9,0.6,2.5,1.9,2.5,3.4v1.2h17.1c0-1.2-0.3-2.2-0.3-3.1c-0.9-8.4-5.6-13-14-13.7%20c-8.4-0.9-27.6-0.6-33.5,0.3c-5.6,1.2-11.2,4.7-11.2,16.1c0,9.3,4.3,14,11.8,15.5c2.2,0.3,8.4,0.6,9.3,0.6%20C-48.6,448.2-32.4,448.9-31.2,449.2L-31.2,449.2z%20M-98.6,448.9h-18.9l8.1-21.4h2.8L-98.6,448.9z%20M-94.8,460l3.7,9.6h18.3l-23-54%20h-24.8l-22.7,54h18.3l3.7-9.9L-94.8,460C-94.8,460-94.8,460-94.8,460z%20M-192.3,452c0.3,3.1,1.9,3.7,3.4,4c2.5,0.6,20.2,0.6,23.3,0%20c2.2-0.3,3.7-1.9,4-3.7c0-0.9,0.3-2.5,0.3-3.1h17.7c0,1.2,0,4.3-0.3,7.1c-0.9,6.5-4.7,11.8-12.7,13.7c-5.6,1.2-32.6,1.2-38.8,0%20c-6.5-1.6-12.1-5.6-13.7-12.4c-1.2-6.2-1.2-22.4,0-29.2c0.9-5,5.6-10.9,13.3-12.4c7.1-1.2,32.3-1.6,39.1,0c9,2.2,11.8,10.2,12.1,13%20c0.3,3.1,0.3,5.3,0.3,6.5h-17.7c0-1.2,0.3-4.7-2.8-5.6c-1.9-0.6-19.2-0.6-23.6-0.3c-2.2,0.3-3.4,1.2-3.7,3.4%20C-192.9,437.4-192.9,447.9-192.3,452L-192.3,452z'/%3e%3c/g%3e%3c/svg%3e) | |
|---|---|---|
| Key differences | ||
| White light output | 3,000 lm ANSI | — |
| Throw ratio | 1.55–1.7:1 | 1.32–1.93:1 |
| Lowest input lag | 33.4 msDerived | — |
| Light source | LED | Hybrid laser + LED |
| Fan noise | Normal 34 dB(A) · Eco 28 dB(A) | — |
| Price | MSRP $849 | — |
| Room fit | ||
| Distance to screen | 3.3–3.7 m | 2.8–4.2 m |
| Brightness | ||
| Rated brightness | 3,000 lmDerived | — |
| White light output | 3,000 lm ANSI | — |
| Claimed brightness (non-standard) | — | 3,000 lm |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.65 in | 0.65 in |
| On-screen resolution | WXGA (1280 × 800)Derived | WXGA (1280 × 800)Derived |
| Native resolution | WXGA (1280 × 800) | WXGA (1280 × 800) |
| Native aspect | 16:10Derived | 16:10Derived |
| Contrast | ||
| Dynamic contrast | 20,000:1 | 1,800:1 |
| Colour | ||
| Colour gamut | Rec. 709 95% | — |
| Colour bit depth (per channel) | 10 bit | 8 bitDerived |
| Gamma / EOTF presets | 2.2, 2.4, 2.6 | — |
| Colour temperature presets | Native, Custom | — |
| Calibration | ||
| Colour management (CMS) | 6-axis | — |
| Picture mode memories | 2 | — |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | + Frame packing, + Side-by-side, + Top-bottom, Frame sequential | Frame sequential |
| Light source | ||
| Light source | LED | Hybrid laser + LED |
| Emitter | — | Laser + LED |
| Light-source life | 20,000 h normal · 30,000 h eco | 20,000 h |
| Warm-up time | 10 s | 5 s |
| Optics | ||
| Throw ratio | 1.55–1.7:1 | 1.32–1.93:1 |
| Image size | — | 35–300 in |
| Projection offset | 100% | 83% |
| Zoom | Optical | Optical |
| Zoom ratio | 1.1×Derived | 1.46×Derived |
| Focus | Manual | Manual |
| Autofocus | — | No |
| Vertical keystone | 30° | 30° |
| Horizontal keystone | 30° | — |
| Auto keystone | Yes | Yes |
| Lens material | Glass | — |
| Motion & gaming | ||
| Input lag | 1080p: 60 Hz 33.4 ms | — |
| Lowest input lag | 33.4 msDerived | — |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI 1.4 (HDCP 1.4) | HDMI |
| HDMI inputs (count) | 2Derived | 1Derived |
| Newest HDMI version | HDMI 1.4Derived | — |
| Other video inputs | — | VGA |
| Max input resolution | WUXGA | 1600 × 1200 |
| Audio inputs | — | 3.5 mm, RCA |
| Control ports | RS-232 | RS-232 |
| Control-system drivers | — | Crestron |
| Horizontal scan | 15–102 kHz | 31.5–91.1 kHz |
| Vertical scan | 23–120 Hz | 56–85 Hz |
| Smart platform | ||
| Wi-Fi | — | NoneDerived |
| Ethernet | — | NoDerived |
| Audio | ||
| Speaker power | 10 W | 5 W |
| Speakers | 1 | 1Derived |
| Layout | Mono | Mono |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 304 × 221 × 107 mm | 311 × 244 × 84.1 mmDerived |
| Weight | 2,600 g | 3,900 gDerived |
| Colours | — | White |
| Orientations | + Table, Ceiling, Rear | Ceiling, Rear |
| Ceiling mount | M4, 20–25 mm screws | 3 × M3, 7 mm deep |
| Environment & power | ||
| Operating temperature | 0–40°C | 5–35°CDerived |
| Operating humidity | 10–90%RH | 20–80%RH |
| Altitude | 3,000 m · high-altitude mode | 3,000 m · high-altitude mode |
| Power draw | Max 250 W · Normal 215 W | Max 180 W · Normal 180 W · Eco 145 W |
| Standby | Up to 0.5 W | 0.12 W |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 34 dB(A) · Eco 28 dB(A) | — |
| Safety & compliance | ||
| Risk group | RG2 | — |
| Support & ownership | ||
| Warranty | 3 yr | 3 yr (light source 3 yr or 6,000 h) |
| User manual | https://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/LH550/UM_EN_230310103612.pdf | https://www.projectorcentral.com/pdf/projector_manual_8251.pdf |
| In the box | ||
| In the box | Power cord, Remote, + Remote batteries, Quick start guide, + Warranty card | Power cord, Remote, Quick start guide, + VGA cable |
| Remote | IR | — |