Absen A1621D vs Unilumin Umesh O-H2550FG
On measurable specs the Unilumin Umesh O-H2550FG leads 8–3. The Absen A1621D can still be the right call where its individual wins — check the highlighted rows — match your constraints.
| Add a panel | ||
|---|---|---|
| Physical | ||
| Pixel pitch | 16 mm | 25 mm |
| Cabinet size (W×H×D) | 1,280 × 960 × 80 mm | 1,200 × 500 × 138 mm |
| Weight per cabinet | 35 kg | 7 kg |
| Weight per m² | 28.5 kg/m² | 11.7 kg/m² |
| Image | ||
| Cabinet resolution | 80 × 60 px | 48 × 10 px |
| Pixel density | 3,906 px/m² | 800 px/m² |
| Brightness | 10,000 nits | 10,000 nits |
| Refresh rate | 26,000 Hz | 3,840 Hz |
| Contrast | 24,000:1 | — |
| Viewing angle (H/V) | 145° / 70° | 90° / 45° |
| LED type | DIP | DIP |
| Processing depth | 16 bit | 16 bit |
| Power & thermal | ||
| Average power | 136 W | 64 W |
| Max power | 406 W | 192 W |
| Max power per m² | 330 W/m² | 320 W/m² |
| Thermal load per cabinet | 1,385 BTU/h | 655 BTU/h |
| Operational | ||
| Environment | Outdoor | Outdoor |
| IP rating (front) | IP65 | IP65 |
| IP rating (rear) | IP54 | IP65 |
| Operating temperature | -20 to 50 °C | -30 to 50 °C |
| Service access | Front & rear | Front & rear |
| LED lifetime | 100,000 h | — |
| Certifications | CE, ETL, FCC | — |
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