BenQ MX731 vs Optoma ZH430UST
 BenQ MX731MSRP $599 |  MSRP $2,999 | |
|---|---|---|
| Key differences | ||
| White light output | 4,000 lm ISO · 4,000 lm ANSI | — |
| Native resolution | 1024 × 768 | 1080p (1920 × 1080) |
| Throw ratio | 1.51–1.97:1 | 0.25:1 |
| Lowest input lag | 33.4 msDerived | 8.6 msDerived |
| HDR formats | — | HDR10, HLG |
| Light source | Lamp | Laser (phosphor) |
| Fan noise | Normal 33 dB(A) · Eco 29 dB(A) | Normal 34 dB(A) · Eco 27 dB(A) |
| Price | MSRP $599 | MSRP $2,999 |
| Room fit | ||
| Distance to screen | 3.1–4.0 m | 0.55 m |
| Brightness | ||
| Rated brightness | 4,000 lmDerived | — |
| White light output | 4,000 lm ISO · 4,000 lm ANSI | — |
| Claimed brightness (non-standard) | — | 4,000 lm |
| Brightness uniformity | — | 75% |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.55 in | — |
| On-screen resolution | 1024 × 768Derived | 1080p (1920 × 1080)Derived |
| Native resolution | 1024 × 768 | 1080p (1920 × 1080) |
| Native aspect | 4:3Derived | 16:9Derived |
| Contrast | ||
| Dynamic contrast | 20,000:1 | 300,000:1 |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | 10 bit |
| Gamma / EOTF presets | — | 2.2, 2.4 |
| HDR | ||
| HDR formats | — | HDR10, HLG |
| 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 | Side-by-side, Top-bottom, Frame sequential |
| 3D glasses sync | — | DLP-Link |
| Light source | ||
| Light source | Lamp | Laser (phosphor) |
| Light engine | — | DuraCore |
| Lamp power | 240 W | — |
| Replacement lamp | 5J.JGR05.001 | — |
| Light-source life | 4,000 h normal · 8,000 h eco · 15,000 h super eco · 8,000 h dynamic | 30,000 h |
| Light output control | — | Steps |
| Constant brightness mode | — | Yes |
| Warm-up time | 30 s | — |
| Cool-down time | 90 s | 90 s |
| Optics | ||
| Throw ratio | 1.51–1.97:1 | 0.25:1 |
| Image size | 30–300 in | 80–130 in |
| Projection offset | 108% | 120% |
| Zoom | Optical | — |
| Zoom ratio | 1.3×Derived | — |
| Focal length | 16.88–21.88 mm | 3.7 mm |
| Aperture (f-number) | 2.59–2.87 | 2.44 |
| Focus | Manual | Manual |
| Autofocus | No | No |
| Vertical lens shift | None | — |
| Horizontal lens shift | None | — |
| Vertical keystone | 30° | 5° |
| Horizontal keystone | 25° | 5° |
| Auto keystone | Yes | — |
| Corner correction | 4-corner | 4-corner |
| Interchangeable lens | No | — |
| Lens material | Glass | — |
| Motion & gaming | ||
| Max input refresh | 1024 × 768: 120 Hz | 1080p: 120 Hz · 4K UHD: 60 Hz |
| Max refresh at 1080p | — | 120 HzDerived |
| Max refresh at 4K | — | 60 HzDerived |
| Input lag | 1080p: 60 Hz 33.4 ms | 1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 17 ms |
| Lowest input lag | 33.4 msDerived | 8.6 msDerived |
| Input lag at 4K 60 Hz | — | 17 msDerived |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI 1.4 (HDCP 1.4) | 2 × HDMI 2.0 |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 1.4Derived | HDMI 2.0Derived |
| Other video inputs | VGA, Component | — |
| Max input resolution | WUXGA | DCI 4K |
| Audio inputs | 3.5 mm | — |
| USB media playback | Yes | — |
| Control ports | RS-232 | RS-232 |
| PJLink | — | Class 2 |
| Control-system drivers | Crestron, AMX | Crestron, AMX |
| Horizontal scan | 15–102 kHz | 15–140 kHz |
| Vertical scan | 23–120 Hz | 24–120 Hz |
| Smart platform | ||
| Ethernet | Yes | Yes |
| Audio | ||
| Speaker power | 10 W | 15 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) | 296 × 221 × 120 mm | 327 × 328 × 110 mm |
| Weight | 2,500 g | 3,900 g |
| Colours | White | — |
| Orientations | + Table, + Ceiling, + Rear | + 360° |
| Ceiling mount | M4, 20–25 mm screws | M4, 10 mm screws |
| Ingress protection | — | IP6X |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | 10–90%RH | — |
| Altitude | 3,000 m · high-altitude mode | 3,048 m |
| Power draw | Max 355 W · Normal 320 W | Max 173 W · Eco 119 W |
| Standby | Up to 0.5 W | Up to 0.5 W |
| Networked standby | Up to 2 W | — |
| Power supply | — | External adapter |
| Mains input | 100–240 V · 50/60 Hz | — |
| DC input | — | 19.5 V |
| Noise | ||
| Fan noise | Normal 33 dB(A) · Eco 29 dB(A) | Normal 34 dB(A) · Eco 27 dB(A) |
| Safety & compliance | ||
| Laser class | — | Class 1 |
| Risk group | — | RG2 |
| FDA laser notice | — | Notice 57 |
| Marks | — | FCC |
| Support & ownership | ||
| Warranty | 🇺🇸 US 3 yr · 🇪🇺 EU 3 yr | 3 yr (light source 5 yr or 12,000 h) |
| User manual | https://esupportdownload.benq.com/esupport/Projector/UserManual/MH733/UM_EN_180423134229.pdf | https://region-resource.optoma.com/products/import/Documents/2b071968-2260-4f13-b1f5-cd54bcb1686f.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 | IR |