Las mismas televisiones pero con diferentes números de modelo 6400 y 640D.
La principal diferencia en el diseño del modelo 640D tiene un marco alrededor de los colores de la pantalla (oscuro Titán), 6400 (negro).
Ligeramente diferentes procesadores de sonido, pero no importa. Las televisiones por lo demás idéntico.
Tabla comparativa de TV JU6400 y JU640D
| SERIE | JU6400 | JU640D |
| Diseño | ||
| TYPO | 4K UHD TV with Full Array Backlighting | 4K UHD TV with Full Array Backlighting |
| TIPO DE SOPORTE (COLOR) | Soporte cuadrado (Negro) | Soporte Square (Dark Titan) |
| Vídeo | ||
| TAMAÑO DE PANTALLA | ||
| RESOLUCIÓN | 3840 x 2160 | 3840 x 2160 |
| MOTION RATE | 120 | 120 |
| PURCOLOR (COLOR ACCURACY) | Sí | Sí |
| UHD UPSCALING | UHD Upscaling | UHD Upscaling |
| Audio | ||
| DOLBY | Dolby Digital Plus | Dolby MS11 |
| SOUND EFFECT | DTS Studio Sound | DTS Studio Sound |
| DTS PREMIUM SOUND | DTS Premium Sound 5.1 | DTS Premium Sound 5.1 |
| SOUND OUTPUT (RMS) | 20W (10W x 2) | 20W (10W x 2) |
| SPEAKER TYPE | Down Firing + Base Reflex (2CH) | Down Firing + Base Reflex (2CH) |
| Conectividad inalámbrica | ||
| WI-FI | Built-in Wi-Fi | Built-in Wi-Fi |
| WI-FI DIRECT | Sí | Sí |
| Features | ||
| SMART HUB | Sí | Sí |
| PROCESADOR | Quad-Core | Quad-Core |
| APPS PLATFORM | Smart TV with Apps and Full Web Browser | Smart TV with Apps and Full Web Browser |
| SMART EVOLUTION READY | Ready (Future Proof Only) | Ready (Future Proof Only) |
| ULTRA CLEAR PANEL | Ultra Clear | Ultra Clear |
| DIMMING TECHNOLOGY | UHD Dimming | UHD Dimming |
| CONNECTSHARE™ | Sí | Sí |
| ANYNET+™ (HDMI-CEC) | Sí | Sí |
| BD WISE™ PLUS | Sí | Sí |
| CLOSED CAPTIONING | Sí | Sí |
| ELECTRONIC PROGRAM GUIDE (CHANNEL GUIDE) | Sí | Sí |
| V-CHIP | Sí | Sí |
| ECO SENSOR | Sí | Sí |
| Entradas y salidas | ||
| HDMI | 3 | 3 |
| USB | 2 | 2 |
| ETHERNET | 1 | 1 |
| COMPONENT | 1 | 1 |
| COMPOSITE IN (AV) | 1 (Common Use for Component Y) | 1 (Common Use for Component Y) |
| RF IN (TERRESTRIAL/CABLE INPUT) | 1/1(Common Use for Terrestrial) | 1/1(Common Use for Terrestrial) |
| DIGITAL AUDIO OUT (OPTICAL) | 1 | 1 |
| AUDIO OUT (MINI JACK) | 1 | 1 |
| RS232C | 1 | 1 |
| System | ||
| DTV TUNER | ATSC / Clear QAM | ATSC / Clear QAM |
| Accesorio | ||
| REMOTO | Standard Remote Controller (TM1240A) | Standard Remote Controller (TM1240A) |
