The NEC PN-LM431 interactive system is compared with several alternative solutions from NEC, Sharp, Dahua, IIYAMA, and Samsung. All these devices are designed for collaborative environments, modern meeting rooms, and educational spaces, supporting 4K Ultra HD resolution, touch control, and running on the Android operating system. The main differences between the models lie in screen size, brand, specific characteristics such as brightness or operating hours, and built-in hardware additions like cameras or powerful speakers on larger panels.
⚙️ The specification comparison covers screen diagonal, resolution, operating system version, and hardware features such as built-in cameras or wireless modules to highlight practical differences between the models.
| Parameter | NEC PN-LM431 | NEC PN-LM551 | Sharp LM431 | Dahua LPH86-MC480-U | IIYAMA TE8613A-B3AG | Samsung WA86F-S | Practical significance |
|---|
| Screen diagonal | 43 inches | 55 inches | 43 inches | 86 inches | 85.6 inches | 86 inches | Models from 43 to 55 inches suit compact meeting rooms, while 86-inch panels are designed for large auditoriums and spacious conference rooms. |
| Resolution | 4K Ultra HD | 4K Ultra HD | 4K Ultra HD | 4K Ultra HD | 4K Ultra HD | 4K Ultra HD | All devices deliver sharp visuals and high detail for presentations and collaborative teamwork. |
| Operating system | Android | Android | Android 14 with Wi-Fi | Android | Android with Wi-Fi | Android 12 with Wi-Fi | Built-in Android OS and wireless connectivity ensure convenient use of applications and presentations without an external PC. |
| Additional equipment | Basic interactive system | Basic interactive system | Brightness 500 cd/m², 18/7 operation | 48 MP camera, 52 W speakers, USB-Hub | Brightness 500 cd/m², 24/7 operation | Brightness 400 cd/m², 12/7 operation | Larger panels offer advanced multimedia equipment and are tailored for intensive or continuous operation. |
◎ The analysis of usage scenarios and user needs helps determine which model is most suitable for specific operating conditions and tasks.
| Use case | Recommended product | Why |
|---|
| Small meeting rooms and classrooms | NEC PN-LM431 | Compact 43-inch size and 4K resolution deliver clear visuals in limited spaces without taking up excess room. |
| Spacious conference rooms requiring video calls | Dahua LPH86-MC480-U | The large 86-inch screen features a built-in high-resolution camera and powerful speakers for complete video conferencing. |
| Spaces with continuous operation | IIYAMA TE8613A-B3AG | The panel is engineered for continuous 24/7 operation and heavy usage environments. |
NEC PN-LM431 differs from alternatives with its compact 43-inch format, high 4K resolution, and integrated Android, making it an ideal choice for small meeting rooms and educational spaces. Unlike the massive panels from Dahua, IIYAMA, and Samsung, this model does not overwhelm the room and is suited for local interaction, while differing from the Sharp LM431 model by brand positioning at a similar screen size. Choose NEC PN-LM431 if you need a compact, professional-grade interactive display for a smaller space.
