BenQ LH830ST vs NEC NP-M403H
 BenQ LH830STMSRP $1,999 |  MSRP $2,599 | |
|---|---|---|
| Key differences | ||
| White light output | 4,000 lm ANSI | 4,000 lm ISO (Bright mode) |
| Throw ratio | 0.5:1 | 1.2–2.1:1 |
| Lowest input lag | 16.7 msDerived | — |
| HDR formats | HDR10, HLG | — |
| Light source | Laser (phosphor) | Lamp |
| Fan noise | Normal 30 dB(A) · Eco 24 dB(A) | Max 36 dB(A) · Normal 30 dB(A) · Eco 30 dB(A) |
| Price | MSRP $1,999 | MSRP $2,599 |
| Room fit | ||
| Distance to screen | 1.1 m | 2.7–4.6 m |
| Brightness | ||
| Rated brightness | 4,000 lmDerived | 4,000 lmDerived |
| White light output | 4,000 lm ANSI | 4,000 lm ISO (Bright mode) |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.65 in | 0.65 in |
| On-screen resolution | 1080p (1920 × 1080)Derived | 1080p (1920 × 1080)Derived |
| Native resolution | 1080p (1920 × 1080) | 1080p (1920 × 1080) |
| Native aspect | 16:9Derived | 16:9Derived |
| Contrast | ||
| Dynamic contrast | 3,000,000:1 | 10,000:1 |
| Dynamic contrast method | — | Dynamic iris |
| Colour | ||
| Colour gamut | Rec. 709 93% coverage | — |
| Colour bit depth (per channel) | 10 bit | 10 bit |
| HDR | ||
| HDR formats | HDR10, HLG | — |
| Calibration | ||
| Picture mode memories | — | 7 |
| 3D | ||
| 3D | — | Yes |
| 3D formats | — | Frame packing, Side-by-side, Top-bottom |
| 3D glasses sync | — | DLP-Link |
| Light source | ||
| Light source | Laser (phosphor) | Lamp |
| Lamp power | — | 270 W |
| Replacement lamp | — | NP30LP |
| Light-source life | 20,000 h normal · 30,000 h eco | 3,500 h max · 5,500 h normal · 8,000 h eco |
| Light output control | — | Steps |
| Constant brightness mode | — | Yes |
| Optics | ||
| Throw ratio | 0.5:1 | 1.2–2.1:1 |
| Image size | 70–300 in | 30–300 in |
| Projection offset | 116% | — |
| Zoom | None | Optical |
| Zoom ratio | — | 1.75×Derived |
| Focal length | 17.51 mm | 18–30.6 mm |
| Aperture (f-number) | 2.8 | 2.4–3.2 |
| Focus | — | Manual |
| Autofocus | — | No |
| Vertical keystone | 30° | 30° |
| Horizontal keystone | 30° | 25° |
| Auto keystone | Yes | Yes |
| Corner correction | 4-corner | — |
| Motion & gaming | ||
| Input lag | 1080p: 60 Hz 16.7 ms | — |
| Lowest input lag | 16.7 msDerived | — |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI 2.0 (HDCP 2.2) | 2 × HDMI |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | — |
| Other video inputs | — | VGA |
| Max input resolution | 4K UHD | WUXGA |
| Audio inputs | — | 3.5 mm, RCA, Microphone |
| USB media playback | — | Yes |
| Control ports | RS-232 | RS-232 |
| PJLink | — | Class 1 |
| Control-system drivers | — | Crestron |
| Horizontal scan | 15–135 kHz | 15–100 kHz |
| Vertical scan | 23–120 Hz | 50–120 Hz |
| Smart platform | ||
| Ethernet | Yes | Yes |
| Audio | ||
| Speaker power | 15 W | 20 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) | 279 × 229 × 121 mm | 368 × 291 × 108 mm |
| Weight | 3,400 g | 3,700 g |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Ceiling mount | M4 | — |
| Ingress protection | IP6X (light engine) | — |
| Sealed optical engine | Yes | Yes |
| Environment & power | ||
| Operating temperature | 0–40°C | 5–40°C |
| Operating humidity | 10–80%RH | 20–80%RH |
| Altitude | 3,000 m · high-altitude mode | 2,400 m · high-altitude mode |
| Power draw | Max 250 W · Normal 230 W · Eco 130 W | Max 335 W · Normal 278 W · Eco 246 W |
| Standby | Up to 0.5 W | 0.4 W |
| Networked standby | Up to 2 W | 2.9 W |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 30 dB(A) · Eco 24 dB(A) | Max 36 dB(A) · Normal 30 dB(A) · Eco 30 dB(A) |
| Safety & compliance | ||
| Laser class | Class 1 | — |
| Risk group | RG2 | — |
| Marks | — | FCC, UL |
| Support & ownership | ||
| Warranty | 3 yr | 🇪🇺 EU 3 yr (light source 6 mo or 1,000 h) · 🇺🇸 US 3 yr |
| User manual | https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LH830ST/UM_EN_251023092502.pdf | https://sharp-displays.jp.sharp/support/webdl/dl_service/data/manual/en/m403w/M403W_manual_ENG.pdf |
| In the box | ||
| In the box | Power cord, + Power adapter, Remote, Remote batteries, + Quick start guide, + Warranty card | Power cord, Remote, Remote batteries, + VGA cable, + Carry case, + Software CD |
| Remote | — | IR |