Sony VPL-PHZ51 vs ViewSonic LS901-4K
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
| Sony VPL-PHZ51 | ViewSonic LS901-4K MSRP $3,699 | |
|---|---|---|
| Display system | ||
| Imaging technology | 3LCD | DLP |
| Technology brand | 3LCD | DLP |
| Number of imaging devices | 3 | 1 |
| Chip / panel diagonal | 0.64 in | 0.65 in |
| Native aspect ratio | 16:10 | 16:9 |
| Native resolution | 1920 × 1200 | — |
| Addressable resolution | — | 3840 × 2160 |
| Panel alignment / convergence control | Zone | — |
| Optics | ||
| Throw ratio | 1.23–1.97:1 | 1.2–2.04:1 |
| Throw reference point | Lens | — |
| Projection distance table | 80″: 2.12–3.39 m · 100″: 2.65–4.24 m · 120″: 3.18–5.09 m · 150″: 3.98–6.36 m · 200″: 5.3–8.48 m | 30″: 0.8–1.36 m · 40″: 1.06–1.81 m · 50″: 1.33–2.26 m · 60″: 1.59–2.71 m · 70″: 1.86–3.16 m · 80″: 2.13–3.61 m · 90″: 2.39–4.07 m · 100″: 2.66–4.52 m · 110″: 2.92–4.97 m · 120″: 3.19–5.42 m · 130″: 3.45–5.87 m · 140″: 3.72–6.32 m · 150″: 3.99–6.77 m · 200″: 5.31–9.03 m · 250″: 6.64–11.29 m · 300″: 7.97–13.55 m |
| Zoom type | Optical | Optical |
| Zoom ratio | 1.6× | 1.7× |
| Focus | Manual | Manual |
| Vertical lens shift | -35–55% | -21–0% |
| Horizontal lens shift | ±15% | — |
| Motorized lens shift | No | — |
| Fixed offset | — | 154% |
| Focal length | — | 17.63–27.9 mm |
| F-number | — | 2.3–3 |
| Interchangeable lens | No | — |
| Image size range | 40–300 in | 30–300 in |
| Vertical keystone | — | -30–30° |
| Horizontal keystone | — | -30–30° |
| Corner / warp correction | Warp | Warp |
| Light source | ||
| Light source type | Laser (phosphor) | Laser (phosphor) |
| Light source detail | Laser diode | — |
| Light source life | Rated: 20,000 h | Normal: 20,000 h · Super eco: 30,000 h |
| Light-source dimming | Dynamic frame | Dynamic frame |
| Brightness | ||
| ANSI lumens | — | 5,500 lm |
| Claimed brightness (non-standard) | 5,300 | 6,000 |
| Claimed brightness unit | Unspecified | Unspecified |
| Contrast & black level | ||
| Dynamic contrast | — | 3,000,000:1 |
| Dynamic light control | — | Laser dimming |
| Colour | ||
| Colour temperature presets | D93, D65, Custom | — |
| Gamma / EOTF presets | 2.2, 2.4 | — |
| Bit depth / 'number of colours' | — | 30 bit |
| Calibration & picture control | ||
| Colour management system | 6-axis | — |
| HDR | ||
| HDR formats | — | HDR10, HLG |
| Motion & gaming | ||
| Max refresh rate | — | 1920×1080: 240 Hz · 2560×1440: 120 Hz · 3840×2160: 60 Hz |
| Audio | ||
| Speaker power | 16 W | 30 W |
| Speaker count | 1 | 2 |
| Audio channels | Mono | — |
| Audio outputs | 3.5 mm | 3.5 mm |
| Inputs, control & connectivity | ||
| Max input signal | 4096 × 2160 | 3840 × 2160 |
| HDMI port count | 2 | 2 |
| HDMI ports (feature-level) | — | 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 | 15–92 kHz | 15–255 kHz |
| Vertical scan frequency | 24–92 Hz | 23–240 Hz |
| HDBaseT | Yes | — |
| VGA input | Yes | — |
| USB media playback | — | No |
| RS-232 | Yes | Yes |
| LAN control | Yes | Yes |
| Control ecosystem drivers | Crestron | Crestron |
| Ethernet | Yes | Yes |
| 3D | ||
| 3D support | — | Yes |
| 3D sync method | — | DLP-Link |
| 3D formats | — | Side-by-side, Top-bottom, Frame sequential |
| Acoustic noise | ||
| Fan noise (sound pressure) | Normal: 35 dB(A) · Eco: 32 dB(A) | Normal: 31 dB(A) · Eco: 25 dB(A) |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | 20–80%RH | 10–80%RH |
| Altitude / high-altitude mode | — | 3,658 m |
| High-altitude mode | Yes | Yes |
| Operating orientations | Table, Ceiling | Table, Ceiling, Rear |
| Rated voltage | 100–240 V | 100–240 V |
| Rated frequency | 50–60 Hz | 50–60 Hz |
| Power consumption (max) | 463 W | — |
| Power consumption by mode | — | Normal: 245 W |
| Standby power | 0.5 W | 0.5 W |
| Networked standby power | 1 W | — |
| Physical & installation | ||
| Width | 422 mm | 337 mm |
| Depth | 338 mm | 280 mm |
| Height | 129 mm | 132 mm |
| Weight | 6.8 kg | 4.85 kg |
| Colours / finishes | — | White |
| Sealed optical engine | — | Yes |
| Air filter | Replaceable | None |
| Safety & compliance | ||
| Photobiological risk group | — | RG2 |
| Hazard distance | — | 1 m |
| Laser product class | — | Class 1 |
| Safety & market certifications | — | CE, FCC |
| Support & ownership | ||
| Warranty | 🇺🇸 US 5 yr | 🇺🇸 US 3 yr |
| User manual | https://helpguide.sony.net/vpl/phz51/v1/en/index.html | https://www.viewsonicglobal.com/public/products_download/user_guide/projector/LS901HD_LS901-4K/LS901HD_LS901-4K_UG_ENG.pdf |
| In the box | ||
| Box contents | Remote, Battery, Power cord, Light shield, Setup guide | Projector, Remote, Batteries, Quick start guide, Power cord |
| Remote type | IR | IR |