Christie Griffyn 4K50-RGB vs Panasonic PT-RQ50K
 Christie Griffyn 4K50-RGB |  Panasonic PT-RQ50K | |
|---|---|---|
| Key differences | ||
| White light outputISO | 50,000 lm ISO · 44,500 lm ANSI | 50,000 lm ISO (Normal power) · 50,000 lm ANSI (Normal power) |
| Light source | RGB triple laser | Laser (phosphor) |
| Fan noise | Normal 55 dB(A) · Eco 44 dB(A) | 52 dB(A) |
| Brightness | ||
| Rated brightness | 50,000 lmDerived | 50,000 lmDerived |
| White light outputISO | 50,000 lm ISO · 44,500 lm ANSI | 50,000 lm ISO (Normal power) · 50,000 lm ANSI (Normal power) |
| 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 |
| Dynamic contrast method | Light-source dimming | — |
| Colour | ||
| Colour gamut | About BT.2020 98% coverage | About DCI-P3 90% |
| Light source | ||
| Light source | RGB triple laser | Laser (phosphor) |
| Emitter | RGB triple laser | — |
| Light engine | — | Laser diodes (Blue LD, Red LD) |
| Light-source life | 25,000 h normal · 50,000 h eco | Over 24,000 h eco |
| Life defined as | 50% brightness | 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 | 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 2.1 · 2 × HDMI 2.0 | — |
| HDMI inputs (count) | 3Derived | — |
| Newest HDMI version | HDMI 2.1Derived | — |
| Other video inputs | SDI | + HDBaseT, SDI |
| Max input resolution | — | DCI 4K |
| Control ports | RS-232 | 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 |
| Weight | 89,300 g | — |
| Colours | — | Black |
| Orientations | 360° | 360° |
| Dust filter | — | None |
| Sealed optical engine | Yes | Yes |
| Environment & power | ||
| Operating temperature | 5–40°C | 0–45°C |
| Operating humidity | 10–80%RH | 10–80%RH |
| Altitude | 3,000 m | 4,200 m |
| Power draw | Max 3,800 W · Normal 2,800 W | Max 4,100 W · Normal 3,970 W · Eco 3,110 W |
| Standby | — | 6 W |
| Power supply | Built in | — |
| Mains input | 200–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 55 dB(A) · Eco 44 dB(A) | 52 dB(A) |
| Safety & compliance | ||
| Laser class | Class 1 | Class 1 |
| Risk group | RG3 | RG3 |
| Support & ownership | ||
| User manual | https://www.christiedigital.com/globalassets/resources/public/020-103315-22-Christie-LIT-MAN-USR-TruLifePlus.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 |