Optoma ZK551 vs Sony VPL-PHZ50
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
| Optoma ZK551 |  Sony VPL-PHZ50MSRP $2,499 | |
|---|---|---|
| Display system | ||
| Imaging technology | DLP | 3LCD |
| Technology brand | — | 3LCD |
| Number of imaging devices | 1 | 3 |
| Chip / panel diagonal | — | 0.64 in |
| Native aspect ratio | 16:9 | 16:10 |
| Native resolution | — | 1920 × 1200 |
| Pixel shift | XPR 4-way | — |
| Addressable resolution | 3840 × 2160 | — |
| Optical system description | — | Three LCD panels (R, G, B) lit by a blue laser diode split by a dichroic mirror, with a yellow phosphor for the red and green; panels use an optical compensator |
| Panel alignment / convergence control | — | Zone |
| Optics | ||
| Throw ratio | 1.4–2.24:1 | 1.23–1.97:1 |
| Projection distance table | 40″: 1.24–1.98 m · 60″: 1.86–2.98 m · 100″: 3.1–4.96 m · 145″: 4.49–7.19 m · 180″: 5.58–8.93 m | 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 |
| Zoom type | Optical | Optical |
| Zoom ratio | 1.6× | 1.6× |
| Focus | Manual | Manual |
| Vertical lens shift | 102–117% | -35–55% |
| Horizontal lens shift | — | ±15% |
| Motorized lens shift | — | No |
| Fixed offset | 102% | — |
| Focal length | 20.91–32.62 mm | — |
| F-number | 2.5–3.26 | — |
| Interchangeable lens | No | No |
| Image size range | 20–300 in | 40–300 in |
| Vertical keystone | -30–30° | -30–30° |
| Horizontal keystone | -30–30° | -30–30° |
| Corner / warp correction | Warp | — |
| Light source | ||
| Light source type | Laser (phosphor) | Laser (phosphor) |
| Light source detail | DuraCore laser | Laser diode (Sony Z-Phosphor) |
| Light source life | Eco: 30,000 h | Recommended: 20,000 h |
| Constant brightness mode | Yes | — |
| Cool-down time | 90 s | — |
| Brightness | ||
| ISO light output | 5,100 lm | 5,000 lm |
| Colour light output (CLO) | — | 5,000 lm (colour) |
| Brightness by mode | — | Standard: 5,000 lm · Middle: 4,000 lm |
| Brightness uniformity (centre-to-corner) | 75% | — |
| Contrast & black level | ||
| Dynamic contrast | 3,000,000:1 | — |
| Dynamic light control | — | Laser dimming |
| Colour | ||
| Gamma / EOTF presets | 2.2, 2.4 | 2.2, 2.4 |
| Calibration & picture control | ||
| Colour management system | 6-axis | — |
| Motion & gaming | ||
| Max refresh rate | 1920×1080: 240 Hz · 3840×2160: 60 Hz | — |
| Input lag (rated) | 1920×1080 @ 60 Hz: 17 ms · 1920×1080 @ 120 Hz: 8.6 ms · 1920×1080 @ 240 Hz: 4.4 ms · 3840×2160 @ 60 Hz: 17 ms | — |
| Audio | ||
| Speaker power | 15 W | 16 W |
| Speaker count | 1 | 1 |
| Audio channels | Mono | 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 2.0, HDCP 2.3; HDMI 2: HDMI 2.0, HDCP 2.3 | — |
| Audio input terminals | — | 3.5 mm |
| Horizontal scan frequency | 15–150 kHz | 15–92 kHz |
| Vertical scan frequency | 24–240 Hz | 24–92 Hz |
| HDBaseT | — | Yes |
| VGA input | — | Yes |
| RS-232 | Yes | Yes |
| LAN control | Yes | Yes |
| 12 V trigger | Yes | — |
| PJLink class | Class 1 | — |
| Control ecosystem drivers | Crestron | Crestron |
| Wi-Fi | — | None |
| Ethernet | Yes | Yes |
| Firmware / software | ||
| Casting | Miracast | — |
| Update policy | Over-the-air (OTA) firmware updates | — |
| 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) | Min: 28 dB(A) · Max: 34 dB(A) | Standard: 35 dB(A) · Middle: 32 dB(A) |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | — | 20–80%RH |
| Altitude / high-altitude mode | 3,048 m | — |
| High-altitude mode | Yes | Yes |
| Operating orientations | Table, Ceiling, Rear, Portrait, 360° | Portrait |
| Rated voltage | 100–240 V | 100–240 V |
| Rated frequency | 50–60 Hz | 50–60 Hz |
| Power consumption (max) | 245 W | 440 W |
| Power consumption by mode | Eco 110v: 170 W · Eco 220v: 168 W · Bright 110v: 245 W · Bright 220v: 240 W | — |
| Standby power | 0.5 W | 0.5 W |
| Networked standby power | — | 1 W |
| Power supply | External brickPreliminary | — |
| Physical & installation | ||
| Width | 274 mm | 422 mm |
| Depth | 216 mm | 338 mm |
| Height | 114 mm | 129 mm |
| Weight | 3.5 kg | 6.6 kg |
| Ingress protection | IP6XPreliminary | — |
| Mount hole pattern | Screw: M4*10mm | — |
| Air filter | — | Replaceable |
| Safety & compliance | ||
| Photobiological risk group | RG2 | — |
| Laser product class | Class 1 (consumer laser product), Risk Group 2 | — |
| Safety & market certifications | FCC | — |
| Support & ownership | ||
| Warranty | — | 🇺🇸 US 5 yr · 🇦🇺 AU 5 yr or 12,000 h |
| Light-source warranty | — | 5 years or 12,000 hours (Australia) |
| User manual | https://region-resource.optoma.com/products/documents/K5mU9Peeq4zSbamp55pR5XFag9nk3bx7MMN5DCWz.pdf | https://helpguide.sony.net/vpl/phz50/v1/en/print.pdf |
| In the box | ||
| Box contents | Power cord, Remote, Batteries, Quick start guide | Remote, Batteries, Power cord, Vga cable, Quick start guide |
| Remote type | IR | — |