Christie CP4445-RGB vs Panasonic PT-RQ50K
 Christie CP4445-RGB |  Panasonic PT-RQ50K | |
|---|---|---|
| Key differences | ||
| White light output | — | 50,000 lm ISO (Normal power) · 50,000 lm ANSI (Normal power) |
| Light source | RGB triple laser | Laser (phosphor) |
| Fan noise | 59 dB(A) | 52 dB(A) |
| Brightness | ||
| Rated brightness | — | 50,000 lmDerived |
| White light output | — | 50,000 lm ISO (Normal power) · 50,000 lm ANSI (Normal power) |
| Claimed brightness (non-standard) | Up to 47,000 lm | — |
| Brightness uniformity | — | 90% |
| Brightness by mode | — | Normal 50,000 lm · Eco 40,000 lm |
| Eco brightness | — | 80%Derived |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 1.38 in | 1.38 in |
| On-screen resolution | DCI 4K (4096 × 2160)Derived | DCI 4K (4096 × 2160)Derived |
| Native resolution | DCI 4K (4096 × 2160) | DCI 4K (4096 × 2160) |
| Native aspect | 17:9Derived | 17:9Derived |
| Contrast | ||
| Dynamic contrast | — | 20,000:1 |
| Colour | ||
| Colour gamut | Over BT.2020 95% coverage | About DCI-P3 90% |
| 3D | ||
| 3D | Yes | — |
| Light source | ||
| Light source | RGB triple laser | Laser (phosphor) |
| Emitter | RGB triple laser | — |
| Light engine | — | Laser diodes (Blue LD, Red LD) |
| Light-source life | Over 50,000 h | Over 24,000 h eco |
| Life defined as | — | 50% brightness |
| Light output control | — | Continuous |
| Constant brightness mode | Yes | — |
| Optics | ||
| Vertical lens shift | — | ±45% |
| Horizontal lens shift | — | ±16% |
| Motorised lens shift | — | Yes |
| Vertical keystone | — | 40° |
| Horizontal keystone | — | 40° |
| Grid warp | — | Yes |
| Interchangeable lens | Yes | Yes |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI 2.0 | — |
| HDMI inputs (count) | 2Derived | — |
| Newest HDMI version | HDMI 2.0Derived | — |
| Other video inputs | SDI | + HDBaseT, SDI |
| Max input resolution | — | DCI 4K |
| Control ports | — | RS-232 |
| PJLink | — | Class 2 |
| Control-system drivers | — | Crestron, AMX |
| Smart platform | ||
| Ethernet | Yes | Yes |
| Physical & installation | ||
| Dimensions (W × D × H) | — | 720 × 1,070 × 445 mm |
| Colours | — | Black |
| Orientations | — | 360° |
| Dust filter | Washable | None |
| Sealed optical engine | Yes | Yes |
| Environment & power | ||
| Operating temperature | 15–30°C | 0–45°C |
| Operating humidity | 20–80%RH | 10–80%RH |
| Altitude | Up to 3,000 m | 4,200 m |
| Power draw | Max 4,601 W | Max 4,100 W · Normal 3,970 W · Eco 3,110 W |
| Standby | — | 6 W |
| Mains input | 200–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | 59 dB(A) | 52 dB(A) |
| Safety & compliance | ||
| Laser class | Class 1 | Class 1 |
| Risk group | RG3 | RG3 |
| Marks | FCC | — |
| Support & ownership | ||
| User manual | https://www.christiedigital.com/globalassets/resources/public/020-103746-07-christie-lit-guid-set-cp4445-55-rgb.pdf | https://ap.pnd.panasonic.com/sites/default/files/media/document/2026-03/rq50k_manual_en.pdf |
| In the box | ||
| In the box | — | Power cord, Remote, Remote batteries |