Christie CP4445-RGB vs Panasonic PT-RQ45K
 Christie CP4445-RGB |  Panasonic PT-RQ45K | |
|---|---|---|
| Key differences | ||
| White light output | — | 42,000 lm ISO (Normal power, Dynamic mode) · 42,000 lm ANSI |
| Native resolution | DCI 4K (4096 × 2160) | WUXGA (1920 × 1200) |
| Lowest input lag | — | 8 msDerived |
| HDR formats | — | HLG |
| Light source | RGB triple laser | Laser (phosphor) |
| Fan noise | 59 dB(A) | Normal 49 dB(A) · Eco 49 dB(A) |
| Brightness | ||
| Rated brightness | — | 42,000 lmDerived |
| White light output | — | 42,000 lm ISO (Normal power, Dynamic mode) · 42,000 lm ANSI |
| Claimed brightness (non-standard) | Up to 47,000 lm | — |
| Brightness uniformity | — | 90% |
| Brightness by mode | — | Normal 42,000 lm · Eco 33,600 lm |
| Eco brightness | — | 80%Derived |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 1.38 in | 0.96 in |
| On-screen resolution | DCI 4K (4096 × 2160)Derived | 3840 × 2400Derived |
| Native resolution | DCI 4K (4096 × 2160) | WUXGA (1920 × 1200) |
| Native aspect | 17:9Derived | 16:10Derived |
| Pixel shift | — | Yes (scheme not stated) |
| Addressable resolution | — | 3840 × 2400 |
| Contrast | ||
| Dynamic contrast | — | 25,000:1 |
| Dynamic contrast method | — | Light-source dimming |
| Colour | ||
| Colour gamut | Over BT.2020 95% coverage | DCI-P3 91% coverage |
| HDR | ||
| HDR formats | — | HLG |
| 3D | ||
| 3D | Yes | — |
| Light source | ||
| Light source | RGB triple laser | Laser (phosphor) |
| Emitter | RGB triple laser | — |
| Light-source life | Over 50,000 h | 20,000 h normal · 24,000 h eco · 26,000 h super eco |
| Life defined as | — | 50% brightness |
| Light output control | — | Continuous |
| Constant brightness mode | Yes | Yes |
| Optics | ||
| Image size | — | 70–1,000 in |
| Vertical lens shift | — | ±55% |
| Horizontal lens shift | — | ±20% |
| Motorised lens shift | — | Yes |
| Vertical keystone | — | 45° |
| Horizontal keystone | — | 40° |
| Interchangeable lens | Yes | Yes |
| Motion & gaming | ||
| Max input refresh | — | 1080p: 240 Hz |
| Max refresh at 1080p | — | 240 HzDerived |
| Input lag | — | 1080p: 240 Hz 8 ms |
| Lowest input lag | — | 8 msDerived |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI 2.0 | 2 × HDMI (HDCP 2.3) |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | — |
| Other video inputs | SDI | SDI |
| Max input resolution | — | DCI 4K |
| Control ports | — | RS-232 |
| PJLink | — | Class 2 |
| Control-system drivers | — | Crestron, AMX |
| Horizontal scan | — | 27–292 kHz |
| Vertical scan | — | 24–240 Hz |
| Smart platform | ||
| Ethernet | Yes | Yes |
| Physical & installation | ||
| Dimensions (W × D × H) | — | 598 × 780 × 352 mm |
| Weight | — | 66,700 g |
| Colours | — | Black |
| Orientations | — | Table, Ceiling, Rear, 360° |
| Ceiling mount | — | 6 × M6, 20 mm deep, 4 N·m |
| Dust filter | Washable | None |
| Ingress protection | — | IP5X (light engine) |
| Sealed optical engine | 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 3,170 W · Normal 2,860 W · Eco 2,250 W |
| Standby | — | 0.6 W |
| Mains input | 200–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | 59 dB(A) | Normal 49 dB(A) · Eco 49 dB(A) |
| Safety & compliance | ||
| Laser class | Class 1 | Class 1 (US: Class 3R) |
| Risk group | RG3 | RG3 |
| Marks | FCC | FCC |
| Support & ownership | ||
| Warranty | — | 3 yr |
| User manual | https://www.christiedigital.com/globalassets/resources/public/020-103746-07-christie-lit-guid-set-cp4445-55-rgb.pdf | https://pim-api.connect.panasonic.com/mediaStream/185900 |
| In the box | ||
| In the box | — | Power cord, Remote, Remote batteries |