BenQ LH750 vs Optoma ZH401e
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
 BenQ LH750 | Optoma ZH401e MSRP $1,499 | |
|---|---|---|
| Display system | ||
| Imaging technology | DLP | DLP |
| Technology brand | — | DLP |
| Number of imaging devices | 1 | 1 |
| Native aspect ratio | 16:9 | 16:9 |
| Native resolution | 1920 × 1080 | 1920 × 1080 |
| Optics | ||
| Throw ratio | 1.16–1.88:1 | 1.48–1.62:1 |
| Projection distance table | 60″: 1.54–2.5 m · 100″: 2.57–4.16 m · 150″: 3.85–6.24 m · 200″: 5.14–8.32 m | 30″: 0.98–1.08 m · 40″: 1.31–1.43 m · 50″: 1.63–1.79 m · 60″: 1.96–2.15 m · 70″: 2.29–2.51 m · 80″: 2.61–2.87 m · 90″: 2.94–3.23 m · 100″: 3.27–3.58 m · 120″: 3.92–4.3 m · 150″: 4.9–5.38 m · 180″: 5.88–6.45 m · 200″: 6.54–7.17 m · 250″: 8.17–8.96 m · 300″: 9.8–10.75 m |
| Zoom type | Optical | Optical |
| Zoom ratio | 1.62× | 1.1× |
| Focus | Manual | Manual |
| Fixed offset | 100% | 116% |
| Focal length | 17.2–27.7 mm | 21.86–24 mm |
| F-number | 1.5–2.08 | 2.5–2.67 |
| Lens material | all-glass | — |
| Image size range | 30–300 in | 30–300 in |
| Vertical keystone | -40–40° | -30–30° |
| Horizontal keystone | -40–40° | -30–30° |
| Corner / warp correction | 4pt | 4pt |
| Light source | ||
| Light source type | LED | Laser (phosphor) |
| Light source detail | 4LED | Laser (DuraCore) |
| Light source life | Normal: 20,000 h · Eco: 30,000 h | Normal: 30,000 h |
| Warm-up time | 10 s | — |
| Cool-down time | 2 s | — |
| Light-source dimming | Continuous | Manual steps |
| Brightness | ||
| ISO light output | — | 4,600 lm |
| ANSI lumens | 5,000 lm | — |
| Brightness uniformity (centre-to-corner) | — | 75% |
| Contrast & black level | ||
| Dynamic contrast | 500,000:1 | 3,000,000:1 |
| Colour | ||
| Rec.709 gamut | 98% | — |
| Gamut metric | Coverage | — |
| Colour temperature presets | Native, Custom | — |
| Gamma / EOTF presets | 2.2, 2.4, 2.6, Custom | — |
| Bit depth / 'number of colours' | 30 bit | 30 bit |
| Calibration & picture control | ||
| Colour management system | 6-axis | — |
| HDR | ||
| HDR formats | HDR10, HLG | HDR10, HLG |
| Motion & gaming | ||
| Max refresh rate | 1920×1080: 120 Hz | — |
| Input lag (rated) | 1920×1080 @ 60 Hz: 33.4 ms | — |
| Audio | ||
| Speaker power | 20 W | 15 W |
| Speaker count | 1 | 1 |
| Audio channels | Mono | — |
| Audio outputs | 3.5 mm | 3.5 mm |
| Inputs, control & connectivity | ||
| Max input signal | 3840 × 2160 | 3840 × 2160 |
| HDMI port count | 2 | 2 |
| HDMI ports (feature-level) | HDMI-1: HDMI 2.0b, HDCP 2.2; HDMI-2: HDMI 2.0b, HDCP 2.2 | HDMI 1: HDMI 2.0; HDMI 2: HDMI 2.0 |
| Audio input terminals | — | 3.5 mm |
| Horizontal scan frequency | 15–135 kHz | 15–135 kHz |
| Vertical scan frequency | 23–120 Hz | 24–120 Hz |
| VGA input | — | Yes |
| RS-232 | Yes | Yes |
| LAN control | Yes | Yes |
| Wired IR input | Yes | — |
| 12 V trigger | — | Yes |
| PJLink class | — | Class 1 |
| Control ecosystem drivers | Crestron | Crestron |
| Ethernet | Yes | Yes |
| 3D | ||
| 3D support | Yes | Yes |
| 3D sync method | — | DLP-Link |
| 3D formats | Frame packing, Side-by-side, Top-bottom, Frame sequential | Frame packing, Side-by-side, Top-bottom |
| Setup automation | ||
| Auto keystone | Yes | — |
| Acoustic noise | ||
| Fan noise (sound pressure) | Normal: 34 dB(A) · Eco: 29 dB(A) | Min: 29 dB(A) · Max: 31 dB(A) |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | 10–90%RH | — |
| Altitude / high-altitude mode | 3,000 m | 3,048 m |
| High-altitude mode | Yes | — |
| Operating orientations | Table, Ceiling, Rear | 360°, Portrait |
| Rated voltage | 100–240 V | 100–240 V |
| Rated frequency | 50–60 Hz | 50–60 Hz |
| Power consumption (max) | 415 W | 170 W |
| Power consumption by mode | Typical: 360 W | Eco: 120 W · Bright: 170 W |
| Standby power | 0.5 W | 0.5 W |
| Networked standby power | 2 W | — |
| Power supply | — | External brick |
| Physical & installation | ||
| Width | 421 mm | 274 mm |
| Depth | 286 mm | 216 mm |
| Height | 132 mm | 114 mm |
| Weight | 5.8 kg | 2.9 kg |
| Ingress protection | — | IP6X |
| Colours / finishes | — | White |
| Mount hole pattern | Thread: M4 · Screw length mm: 8 | — |
| Sealed optical engine | — | Yes |
| Safety & compliance | ||
| Photobiological risk group | RG2 | RG2 |
| Laser product class | — | Class 1 laser product, Risk Group 2 |
| Safety & market certifications | — | FCC |
| Support & ownership | ||
| Warranty | — | 🇺🇸 US 1 yr · 🇫🇷 FR 5 yr |
| User manual | https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LH750/LH750_UM_EN_250618184335.pdf | https://region-resource.optoma.com/products/documents/amVEXNMY0TqA9e6pFYo8iyCWQCiLznAEwmaBKoWh.pdf |
| In the box | ||
| Box contents | Projector, Remote, Batteries, Power cord, Hdmi cable, Quick start guide, Warranty card, Regulatory statements | Power cord, Remote control, 2xAAA battery, Quick start user manual |
| Remote type | IR | IR |
| 3D glasses in box | 0 | — |