BenQ LH650 vs BenQ MX731
 BenQ LH650$1,449 |  BenQ MX731MSRP $599 | |
|---|---|---|
| Key differences | ||
| Native resolution | 1080p (1920 × 1080) | 1024 × 768 |
| Throw ratio | 1.15–1.5:1 | 1.51–1.97:1 |
| Lowest input lag | 8.3 msDerived | 33.4 msDerived |
| HDR formats | HDR10, HLG | — |
| Light source | Laser (phosphor) | Lamp |
| Fan noise | Normal 34 dB(A) · Eco 28 dB(A) | Normal 33 dB(A) · Eco 29 dB(A) |
| Price | $1,449 | MSRP $599 |
| Room fit | ||
| Distance to screen | 2.5–3.3 m | 3.1–4.0 m |
| Brightness | ||
| Rated brightness | 4,000 lmDerived | 4,000 lmDerived |
| White light outputISO | 4,000 lm ISO · 4,000 lm ANSI | 4,000 lm ISO · 4,000 lm ANSI |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.65 in | 0.55 in |
| On-screen resolution | 1080p (1920 × 1080)Derived | 1024 × 768Derived |
| Native resolution | 1080p (1920 × 1080) | 1024 × 768 |
| Native aspect | 16:9Derived | 4:3Derived |
| Colour wheel segments | 6 | — |
| Contrast | ||
| Dynamic contrast | 3,000,000:1 | 20,000:1 |
| Dynamic contrast method | Light-source dimming | — |
| Colour | ||
| Colour gamut | Rec. 709 92% coverage | — |
| Colour bit depth (per channel) | 10 bit | 10 bit |
| Gamma / EOTF presets | 2.2, 2.4, 2.6 | — |
| HDR | ||
| HDR formats | HDR10, HLG | — |
| Tone mapping | Adjustable | — |
| Calibration | ||
| Colour management (CMS) | 6-axis | 6-axis |
| Picture mode memories | 2 | 2 |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | Frame packing, Side-by-side, Top-bottom, Frame sequential | Frame packing, Side-by-side, Top-bottom, Frame sequential |
| Light source | ||
| Light source | Laser (phosphor) | Lamp |
| Lamp power | — | 240 W |
| Replacement lamp | — | 5J.JGR05.001 |
| Light-source life | 20,000 h normal · 20,000 h eco · 20,000 h dynamic | 4,000 h normal · 8,000 h eco · 15,000 h super eco · 8,000 h dynamic |
| Light output control | Continuous | — |
| Warm-up time | 10 s | 30 s |
| Cool-down time | 2 s | 90 s |
| Optics | ||
| Throw ratio | 1.15–1.5:1 | 1.51–1.97:1 |
| Image size | 30–300 in | 30–300 in |
| Projection offset | 106% | 108% |
| Zoom | Optical | Optical |
| Zoom ratio | 1.3×Derived | 1.3×Derived |
| Focal length | 16.88–21.88 mm | 16.88–21.88 mm |
| Aperture (f-number) | 2.59–2.87 | 2.59–2.87 |
| Focus | Manual | Manual |
| Autofocus | No | No |
| Vertical lens shift | — | None |
| Horizontal lens shift | — | None |
| Vertical keystone | 30° | 30° |
| Horizontal keystone | 30° | 25° |
| Auto keystone | Yes | Yes |
| Corner correction | 4-corner | 4-corner |
| Interchangeable lens | — | No |
| Lens material | — | Glass |
| Motion & gaming | ||
| Max input refresh | 1080p: 120 Hz · 4K UHD: 60 Hz | 1024 × 768: 120 Hz |
| Max refresh at 1080p | 120 HzDerived | — |
| Max refresh at 4K | 60 HzDerived | — |
| Input lag | 1080p: 120 Hz 8.3 ms | 1080p: 60 Hz 33.4 ms |
| Lowest input lag | 8.3 msDerived | 33.4 msDerived |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI 2.0 (HDCP 2.2) | 2 × HDMI 1.4 (HDCP 1.4) |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 1.4Derived |
| Other video inputs | + USB-C (DisplayPort) | + VGA, + Component |
| Max input resolution | 4K UHD | WUXGA |
| Audio inputs | — | 3.5 mm |
| USB media playback | — | Yes |
| Control ports | RS-232 | RS-232 |
| PJLink | None | — |
| Control-system drivers | — | Crestron, AMX |
| Horizontal scan | 15–135 kHz | 15–102 kHz |
| Vertical scan | 23–120 Hz | 23–120 Hz |
| Smart platform | ||
| Wi-Fi | None | — |
| Ethernet | No | Yes |
| Audio | ||
| Speaker power | 10 W | 10 W |
| Speakers | 1 | 1 |
| Layout | Mono | Mono |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 304 × 225 × 112 mm | 296 × 221 × 120 mm |
| Weight | 2,900 g | 2,500 g |
| Colours | White | White |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Ceiling mount | — | M4, 20–25 mm screws |
| Dust filter | None | — |
| Ingress protection | IP5X | — |
| Sealed optical engine | Yes | — |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | 10–90%RH | 10–90%RH |
| Altitude | 3,000 m · high-altitude mode | 3,000 m · high-altitude mode |
| Power draw | Max 275 W · Normal 200 W | Max 355 W · Normal 320 W |
| Standby | Up to 0.5 W | Up to 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 34 dB(A) · Eco 28 dB(A) | Normal 33 dB(A) · Eco 29 dB(A) |
| Safety & compliance | ||
| Laser class | Class 1 | — |
| Risk group | RG2 | — |
| Support & ownership | ||
| Warranty | 3 yr | 🇺🇸 US 3 yr · 🇪🇺 EU 3 yr |
| User manual | https://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/LH650/UM_EN_240620171822.pdf | https://esupportdownload.benq.com/esupport/Projector/UserManual/MH733/UM_EN_180423134229.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, + HDMI cable | Power cord, Remote, Remote batteries, Quick start guide, User manual, Warranty card, + VGA cable, + Lens cap |
| Remote | IR | IR |