Christie D4K40-RGB vs Christie Griffyn 4K50-RGB
 Christie D4K40-RGB |  Christie Griffyn 4K50-RGB | |
|---|---|---|
| Key differences | ||
| White light outputISO | 45,000 lm ISO · 40,000 lm ANSI | 50,000 lm ISO · 44,500 lm ANSI |
| Fan noise | — | Normal 55 dB(A) · Eco 44 dB(A) |
| Brightness | ||
| Rated brightness | 45,000 lmDerived | 50,000 lmDerived |
| White light outputISO | 45,000 lm ISO · 40,000 lm ANSI | 50,000 lm ISO · 44,500 lm ANSI |
| 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 method | — | Light-source dimming |
| Colour | ||
| Colour gamut | Over BT.2020 95% | About BT.2020 98% coverage |
| Colour bit depth (per channel) | 12 bit | — |
| Light source | ||
| Light source | RGB triple laser | RGB triple laser |
| Emitter | RGB triple laser | RGB triple laser |
| Light-source life | 25,000 h | 25,000 h normal · 50,000 h eco |
| Life defined as | 50% brightness | 50% brightness |
| Constant brightness mode | — | Yes |
| Optics | ||
| Focus | Motorised | — |
| Motorised lens shift | Yes | — |
| Grid warp | Yes | Yes |
| Interchangeable lens | Yes | Yes |
| Motion & gaming | ||
| Max input refresh | — | DCI 4K: 60 Hz |
| Max refresh at 4K | — | 60 HzDerived |
| Inputs & control | ||
| HDMI inputs | HDMI 2.0 | HDMI 2.1 · 2 × HDMI 2.0 |
| HDMI inputs (count) | 1Derived | 3Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 2.1Derived |
| Other video inputs | + HDBaseT, SDI | SDI |
| Control ports | RS-232 | RS-232 |
| Smart platform | ||
| Ethernet | Yes | Yes |
| Physical & installation | ||
| Weight | — | 89,300 g |
| Orientations | 360° | 360° |
| Sealed optical engine | — | Yes |
| Environment & power | ||
| Operating temperature | 5–40°C | 5–40°C |
| Operating humidity | 10–80%RH | 10–80%RH |
| Altitude | 3,000 m | 3,000 m |
| Power draw | Max 4,000 W | Max 3,800 W · Normal 2,800 W |
| Power supply | — | Built in |
| Mains input | 200–240 V · 50/60 Hz | 200–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | — | Normal 55 dB(A) · Eco 44 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/020-102958-05-Christie-LIT-MAN-USR-4K40-RGB.pdf | https://www.christiedigital.com/globalassets/resources/public/020-103315-22-Christie-LIT-MAN-USR-TruLifePlus.pdf |
| Firmware | 1.3.5 (Jul 2026) | — |
| In the box | ||
| In the box | Power cord, Remote | — |
| Remote | IR | — |