ViewSonic LS740HD vs ViewSonic LS740W
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
 ViewSonic LS740HDMSRP $1,099 |  ViewSonic LS740WMSRP $979 | |
|---|---|---|
| Display system | ||
| Imaging technology | DLP | DLP |
| Technology brand | DLP | DLP |
| Number of imaging devices | 1 | 1 |
| Chip / panel diagonal | 0.65 in | 0.65 in |
| Native aspect ratio | 16:9 | 16:10 |
| Native resolution | 1920 × 1080 | 1280 × 800 |
| Optics | ||
| Throw ratio | 1.13–1.47:1 | 1.18–1.54:1 |
| Throw reference point | — | Lens |
| Projection distance table | 30″: 0.75–0.98 m · 40″: 1–1.3 m · 50″: 1.25–1.63 m · 60″: 1.5–1.95 m · 70″: 1.75–2.28 m · 80″: 2–2.6 m · 90″: 2.25–2.93 m · 100″: 2.5–3.25 m · 110″: 2.75–3.58 m · 120″: 3–3.91 m · 130″: 3.25–4.23 m · 140″: 3.5–4.56 m · 150″: 3.75–4.88 m · 200″: 5–6.51 m · 250″: 6.25–8.14 m · 300″: 7.51–9.76 m | 30″: 0.77–1 m · 40″: 1.02–1.33 m · 50″: 1.28–1.66 m · 60″: 1.53–2 m · 70″: 1.79–2.33 m · 80″: 2.05–2.66 m · 90″: 2.3–2.99 m · 100″: 2.56–3.33 m · 110″: 2.81–3.66 m · 120″: 3.07–3.99 m · 130″: 3.32–4.32 m · 140″: 3.58–4.66 m · 150″: 3.84–4.99 m · 200″: 5.11–6.65 m · 250″: 6.39–8.31 m · 300″: 7.67–9.98 m |
| Zoom type | Optical | Optical |
| Zoom ratio | 1.3× | 1.3× |
| Focus | Manual | Manual |
| Fixed offset | 132% | 124% |
| Focal length | 16.9–21.61 mm | 16.9–21.61 mm |
| F-number | 2.43–2.78 | 2.43–2.78 |
| Image size range | 30–300 in | 30–300 in |
| Vertical keystone | -30–30° | -30–30° |
| Horizontal keystone | -30–30° | -30–30° |
| Corner / warp correction | 4pt | 4pt |
| Light source | ||
| Light source type | Laser (phosphor) | Laser (phosphor) |
| Light source detail | Laser phosphor | 3rd generation laser phosphor light source |
| Light source life | Normal: 20,000 h · Eco: 30,000 h | Normal: 20,000 h · Eco: 30,000 h |
| Life definition | — | Unspecified |
| Light-source dimming | Dynamic frame | — |
| Brightness | ||
| ANSI lumens | 5,000 lm | 5,000 lm |
| Claimed brightness (non-standard) | 5,500 | 6,000 |
| Claimed brightness unit | Peak lumens | Peak lumens |
| Brightness by mode | Bright: 4,783 lm · Presentation: 3,861 lm · Cinema: 3,476 lm · Gaming: 3,328 lm · User: 3,985 lmMeasured | — |
| Contrast & black level | ||
| Dynamic contrast | 3,000,000:1 | 3,000,000:1 |
| Colour | ||
| Bit depth / 'number of colours' | 30 bit | 30 bit |
| Calibration & picture control | ||
| Colour management system | 6-axis | — |
| Motion & gaming | ||
| Max refresh rate | 1280×720: 120 Hz | 1280×720: 120 Hz |
| Audio | ||
| Speaker power | 15 W | — |
| Speaker count | 1 | 1 |
| Audio channels | Mono | — |
| Audio outputs | 3.5 mm | 3.5 mm |
| Inputs, control & connectivity | ||
| Max input signal | 1920 × 1200 | 1920 × 1200 |
| HDMI port count | 2 | 2 |
| HDMI ports (feature-level) | HDMI 1: HDMI 1.4, HDCP 1.4; HDMI 2: HDMI 1.4, HDCP 1.4 | HDMI 1: HDMI 1.4, HDCP 1.4; HDMI 2: HDMI 1.4, HDCP 1.4 |
| Horizontal scan frequency | 15–102 kHz | 15–102 kHz |
| Vertical scan frequency | 24–120 Hz | 24–120 Hz |
| RS-232 | Yes | Yes |
| LAN control | No | — |
| Wi-Fi | None | — |
| Ethernet | No | — |
| 3D | ||
| 3D support | Yes | Yes |
| 3D sync method | DLP-Link | DLP-Link |
| 3D formats | Frame sequential, Frame packing, Side-by-side, Top-bottom | Side-by-side, Top-bottom, Frame sequential |
| Acoustic noise | ||
| Fan noise (sound pressure) | Normal: 30 dB(A) · Eco: 24 dB(A) | Normal: 30 dB(A) · Eco: 24 dB(A) |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | 10–80%RH | 10–80%RH |
| Altitude / high-altitude mode | 3,660 m | 3,660 m |
| High-altitude mode | Yes | Yes |
| Operating orientations | Table, Ceiling, Rear, Portrait, 360° | Table, Ceiling, Rear, Portrait, 360° |
| Rated voltage | 100–240 V | 100–240 V |
| Rated frequency | 50–60 Hz | 50–60 Hz |
| Power consumption by mode | Typical: 210 W | Normal: 210 W |
| Standby power | 0.5 W | 0.5 W |
| Power supply | External brick | External brick |
| Physical & installation | ||
| Width | 286 mm | 286 mm |
| Depth | 216 mm | 216 mm |
| Height | 129 mm | 129 mm |
| Weight | 3 kg | 3 kg |
| Ingress protection | IP6X (sealed light engine only) | IP6X |
| Exhaust / intake direction | Side | — |
| Mount hole pattern | Thread: M4 · Max screw length mm: 8 · Holes: 3 · Hole spacing mm: 55–82.3 | Screw: M4 · Max screw length mm: 8 |
| Sealed optical engine | Yes | Yes |
| Safety & compliance | ||
| Photobiological risk group | RG2 | RG2 |
| Hazard distance | 1 m | — |
| Laser product class | Class 1 | Class 1 |
| Safety & market certifications | FCC, CE | CE, FCC |
| Support & ownership | ||
| Warranty | 🇺🇸 US 3 yr | 🇺🇸 US 3 yr |
| Light-source warranty | 1 year (original lamp/light source, Americas); 90 days under heavy usage over 14 hours a day | 1 year (US) |
| User manual | https://www.viewsonicglobal.com/public/products_download/user_guide/projector/LS740W_LS740HD/LS740W_LS740HD_UG_ENG.pdf | https://www.viewsonicglobal.com/public/products_download/user_guide/projector/LS740W_LS740HD/LS740W_V52HD_UG_ENG.pdf |
| In the box | ||
| Box contents | Projector, Remote, Batteries, Quick start guide, Power cord, Power adapter | Projector, Power cord, Remote, Quick start guide |
| Remote type | IR | IR |