
NEC M551
Score: 84/100
Philips Unite LED
Score: 83/100Rankings

The NEC MultiSync M551 is a 55-inch IPS LED display featuring 4K UHD resolution, HDR support and 500 cd/m² brightness, complemented by modular compute slots and advanced sensors. While it lacks built-in speakers and has a higher power draw, it excels in image quality and flexibility for digital signage. Perfect for high-impact signage and video-wall installations.

The Philips Unite LED 5000 series provides modular direct-view LED panels with up to 700 nit brightness and HDR10+ support for vibrant signage. Its low resolution per panel and absence of audio limit multimedia versatility. Best for corporate and educational digital-signage installations requiring energy efficiency and easy maintenance.
| Attribute | ![]() | ![]() |
|---|---|---|
55 inchesbest | — | |
— | 3,840 Hzbest | |
500 nits | 600 nitsbest | |
| ↓ lower better | 110 W | 35 Wbest |
| ↓ lower better | 8 msbest | — |
8,000best | 5,000 | |
| ↓ lower better | 26.4 kg | 6.078 kgbest |
178 °best | 160 ° |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(4) | ||
Panel Type | IPS with Edge LED | LED |
Brightness (nits) | 500 nits | 600 nits |
Static Contrast Ratio | 8000 | 5000 |
Viewing Angle (Horizontal) (°) | 178 ° | 160 ° |
Power(2) | ||
Typical Power Consumption (W) | 110 W | 35 W |
Standby Power Consumption (W) | 2 W | 0.5 W |
Build & Design(4) | ||
Weight (with stand) (kg) | 26.4 kg | 6.078 kg |
Width (mm) | 1239.6 mm | 599 mm |
Height (mm) | 713 mm | 338 mm |
Depth (mm) | 61.1 mm | 33 mm |


Products in the top-left offer the best value (high score, low price).