NEC NP-P525WL vs ViewSonic LS740-4K
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
 NEC NP-P525WLMSRP $5,599 |  ViewSonic LS740-4KMSRP $1,799.99 | |
|---|---|---|
| Display system | ||
| Imaging technology | 3LCD | DLP |
| Technology brand | 3LCD | — |
| Number of imaging devices | 3 | 1 |
| Chip / panel diagonal | 0.64 in | 0.65 in |
| Native aspect ratio | 16:10 | 16:9 |
| Native resolution | 1280 × 800 | 3840 × 2160 |
| Optical system description | Optical isolation by dichroic mirror, combining by dichroic prism | — |
| Panel alignment / convergence control | None | — |
| Optics | ||
| Throw ratio | 1.23–2:1 | 1.4–2.24:1 |
| Throw reference point | — | Lens |
| Projection distance table | 30″: 0.77–1.26 m · 40″: 1.03–1.69 m · 60″: 1.56–2.55 m · 80″: 2.1–3.41 m · 90″: 2.36–3.84 m · 100″: 2.63–4.27 m · 120″: 3.16–5.13 m · 150″: 3.96–6.43 m · 180″: 4.76–7.72 m · 200″: 5.3–8.58 m · 250″: 6.36–10.3 m · 270″: 7.16–11.59 m · 300″: 7.96–12.89 m | 30″: 0.93–1.49 m · 40″: 1.24–1.98 m · 50″: 1.55–2.48 m · 60″: 1.86–2.98 m · 70″: 2.17–3.47 m · 80″: 2.48–3.97 m · 90″: 2.79–4.46 m · 100″: 3.1–4.96 m · 110″: 3.41–5.46 m · 120″: 3.72–5.95 m · 130″: 4.03–6.45 m · 140″: 4.34–6.94 m · 150″: 4.65–7.44 m · 200″: 6.2–9.92 m · 250″: 7.75–12.4 m · 300″: 9.3–14.88 m |
| Zoom type | Optical | Optical |
| Zoom ratio | 1.6× | 1.6× |
| Focus | Manual | Manual |
| Vertical lens shift | 0–60% | — |
| Horizontal lens shift | ±29% | — |
| Motorized lens shift | No | — |
| Fixed offset | — | 124% |
| Focal length | 17.2–27.6 mm | — |
| F-number | 1.5–2.1 | — |
| 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 | Warp |
| Light source | ||
| Light source type | Laser (phosphor) | Laser (phosphor) |
| Light source detail | Blue Laser Diode | Laser Phosphor |
| Light source life | Normal: 20,000 h | Normal: 20,000 h · Super eco: 30,000 h |
| Life definition | 50% brightness | — |
| Constant brightness mode | Yes | — |
| Light-source dimming | Continuous | — |
| Brightness | ||
| ISO light output | 5,000 lm | — |
| ANSI lumens | — | 5,000 lm |
| Claimed brightness (non-standard) | 5,200 | — |
| Claimed brightness unit | Unspecified | — |
| Brightness by mode | High bright: 4,395 lm · Presentation: 3,995 lm · Video: 3,580 lm · Movie: 3,265 lm · Graphic: 3,515 lm · Srgb: 3,150 lm · Dicom sim: 3,390 lmMeasured | — |
| Contrast & black level | ||
| Dynamic contrast | 500,000:1 | 3,000,000:1 |
| Colour | ||
| Bit depth / 'number of colours' | 10 bit | 30 bit |
| HDR | ||
| HDR formats | — | HLG |
| Max HDR input | none | — |
| Motion & gaming | ||
| Max refresh rate | 3840×2160: 30 Hz | 1920×1080: 240 Hz · 2560×1440: 120 Hz · 3840×2160: 60 Hz |
| 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 1.4; HDMI 2: HDMI 1.4 | HDMI 1: HDMI 2.0, HDCP 2.3; HDMI 2: HDMI 2.0, HDCP 2.3 |
| Audio input terminals | 3.5 mm | — |
| Horizontal scan frequency | 15–153 kHz | 15–135 kHz |
| Vertical scan frequency | 24–120 Hz | 24–240 Hz |
| HDBaseT | Yes | — |
| VGA input | Yes | — |
| USB media playback | Yes | — |
| RS-232 | Yes | Yes |
| LAN control | Yes | Yes |
| Control ecosystem drivers | Crestron | — |
| Ethernet | Yes | Yes |
| 3D | ||
| 3D support | — | Yes |
| 3D sync method | — | DLP-Link |
| 3D formats | — | Frame packing, Side-by-side, Top-bottom, Frame sequential |
| Acoustic noise | ||
| Fan noise (sound pressure) | Eco: 22 dB(A) · Normal: 24 dB(A) · High bright: 27 dB(A) | Normal: 32 dB(A) · Eco: 27 dB(A) |
| Environment & power | ||
| Operating temperature | 5–40°C | 0–40°C |
| Operating humidity | 20–80%RH | 10–80%RH |
| Altitude / high-altitude mode | 2,600 m | 3,658 m |
| High-altitude mode | Yes | Yes |
| Operating orientations | Table, Ceiling, Rear, Portrait, 360° | Table, Ceiling, Portrait, 360° |
| Rated voltage | 100–240 V | 100–240 V |
| Rated frequency | 50–60 Hz | 50–60 Hz |
| Power consumption (max) | 320 W | — |
| Power consumption by mode | Eco off: 320 W · Eco: 232 W · Long life: 234 W | Typical: 165 W |
| Standby power | 0.19 W | 0.5 W |
| Networked standby power | 1.6 W | — |
| Power supply | — | External brick |
| Physical & installation | ||
| Width | 480 mm | 286 mm |
| Depth | 407 mm | 216 mm |
| Height | 122 mm | 129 mm |
| Weight | 9.7 kg | 3.1 kg |
| Ingress protection | — | IP6X |
| Exhaust / intake direction | Side | — |
| Colours / finishes | White | — |
| Sealed optical engine | Yes | Yes |
| Air filter | None | None |
| Safety & compliance | ||
| Photobiological risk group | RG2 | RG2 |
| Hazard distance | — | 1 m |
| Laser product class | Class 1 (IEC 60825-1 Ed. 3); Class 2 (IEC 60825-1 Ed. 2, USA) | Class 1 |
| FDA variance | Laser Notice No. 50, dated June 24, 2007 | — |
| Safety & market certifications | CE | CE, FCC |
| Support & ownership | ||
| Warranty | 🇪🇺 EU 3 yr · 🇺🇸 US 5 yr | 🇺🇸 US 3 yr |
| Light-source warranty | 3 years or 10000h (whatever comes first) (EU) | — |
| User manual | — | https://www.viewsonicglobal.com/public/products_download/user_guide/projector/LSD500-4K/LSD500-4K_LS740-4K_UG_ENG.pdf |
| In the box | ||
| Box contents | Batteries aaa x2, Remote control, Vga cable, Power cord, Quick setup guide, Security sticker, Users manual, Utility software | Projector, Power cord, Power adapter, Remote control, Batteries, Quick start guide |
| Remote type | IR | IR |