BenQ MX731 vs Optoma X400LVe
 BenQ MX731MSRP $599 |  MSRP $789 | |
|---|---|---|
| Key differences | ||
| White light outputANSI | 4,000 lm ISO · 4,000 lm ANSI | 4,000 lm ANSI |
| Throw ratio | 1.51–1.97:1 | 1.94–2.16:1 |
| Lowest input lag | 33.4 msDerived | — |
| Fan noise | Normal 33 dB(A) · Eco 29 dB(A) | Normal 29 dB(A) · Eco 27 dB(A) |
| Price | MSRP $599 | MSRP $789 |
| Room fit | ||
| Distance to screen | 3.1–4.0 m | 3.9–4.4 m |
| Brightness | ||
| Rated brightness | 4,000 lmDerived | 4,000 lmDerived |
| White light outputANSI | 4,000 lm ISO · 4,000 lm ANSI | 4,000 lm ANSI |
| Brightness uniformity | — | 75% |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.55 in | 0.55 in |
| On-screen resolution | 1024 × 768Derived | 1024 × 768Derived |
| Native resolution | 1024 × 768 | 1024 × 768 |
| Native aspect | 4:3Derived | 4:3Derived |
| Contrast | ||
| Dynamic contrast | 20,000:1 | 25,000:1 |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | — |
| 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 packing, Side-by-side, Top-bottom |
| 3D glasses sync | — | DLP-Link |
| Light source | ||
| Light source | Lamp | Lamp |
| Lamp power | 240 W | 203 W |
| Replacement lamp | 5J.JGR05.001 | BL-FP195D |
| Light-source life | 4,000 h normal · 8,000 h eco · 15,000 h super eco · 8,000 h dynamic | 6,000 h max · 10,000 h eco · 15,000 h super eco · 12,000 h dynamic |
| Warm-up time | 30 s | — |
| Cool-down time | 90 s | — |
| Optics | ||
| Throw ratio | 1.51–1.97:1 | 1.94–2.16:1 |
| Image size | 30–300 in | 27.78–304 in |
| Projection offset | 108% | 115% |
| Zoom | Optical | OpticalDerived |
| Zoom ratio | 1.3×Derived | 1.11×Derived |
| Focal length | 16.88–21.88 mm | 21.85–24 mm |
| Aperture (f-number) | 2.59–2.87 | 2.41–2.53 |
| Focus | Manual | Manual |
| Autofocus | No | No |
| Vertical lens shift | None | None |
| Horizontal lens shift | None | None |
| Vertical keystone | 30° | 40° |
| Horizontal keystone | 25° | — |
| Auto keystone | Yes | — |
| Corner correction | 4-corner | — |
| Interchangeable lens | No | — |
| Lens material | Glass | — |
| Motion & gaming | ||
| Max input refresh | 1024 × 768: 120 Hz | — |
| 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 1.4 |
| HDMI inputs (count) | 2Derived | 1Derived |
| Newest HDMI version | HDMI 1.4Derived | HDMI 1.4Derived |
| Other video inputs | VGA, + Component | VGA, + Composite |
| Max input resolution | WUXGA | 1080p |
| Audio inputs | 3.5 mm | 3.5 mm |
| USB media playback | Yes | — |
| Control ports | RS-232 | RS-232 |
| Control-system drivers | Crestron, AMX | — |
| Horizontal scan | 15–102 kHz | 15.38–91.15 kHz |
| Vertical scan | 23–120 Hz | 50–85 Hz |
| Smart platform | ||
| Ethernet | Yes | — |
| Audio | ||
| Speaker power | 10 W | 10 W |
| Speakers | 1 | 1 |
| Layout | Mono | — |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 296 × 221 × 120 mm | 316 × 244 × 108 mm |
| Weight | 2,500 g | 3,050 g |
| Colours | + White | + Black |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Ceiling mount | M4, 20–25 mm screws | M4, screws ≥ 10 mm |
| Environment & power | ||
| Operating temperature | 0–40°C | 5–40°C |
| Operating humidity | 10–90%RH | 10–85%RH |
| Altitude | 3,000 m · high-altitude mode | 3,000 m |
| Power draw | Max 355 W · Normal 320 W | Max 225 W · Eco 187 W |
| Standby | Up to 0.5 W | 0.5 W |
| Networked standby | Up to 2 W | — |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 33 dB(A) · Eco 29 dB(A) | Normal 29 dB(A) · Eco 27 dB(A) |
| Support & ownership | ||
| Warranty | 🇺🇸 US 3 yr · 🇪🇺 EU 3 yr | 1 yr (light source 3 mo) |
| User manual | https://esupportdownload.benq.com/esupport/Projector/UserManual/MH733/UM_EN_180423134229.pdf | https://region-resource.optoma.com/products/import/Documents/56ac35cf-7cb4-46f0-acc0-75c846804ea2.pdf |
| Spare parts | Lamp 5J.JGR05.001 | — |
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, Quick start guide, + User manual, + Warranty card, + VGA cable, + Lens cap | Power cord, Remote, Remote batteries, Quick start guide |
| Remote | IR | — |