Nokia N78
| General | Form Factor | Bar |
| Network | GSM 850 / 900 / 1800 / 1900 / HSDPA 850 / 900 / 1900 / 2100 | |
| Size | 113 x 49 x 15.1 mm, 76.5 cc | |
| Weight | 102 g | |
| Battery Type | Li-Ion 1200 mAh | |
| Talk Time | 4 h | |
| Standby Time | 320 h | |
| Display | Display Type | TFT |
| Display Size | 2.4 inches (240 x 320 pixels) | |
| Display Colors | 16 | |
| External display | No | |
| Memory | Internal Memory | 76 MB |
| Card Slot | microSD (TransFlash) | |
| Camera | Type | 3.15 megapixel (2048 x 1536 pixels) |
| Zoom | Yes | |
| Flash | Yes | |
| Video | Yes, VGA at 15fps | |
| Secondary Camera | Yes, CIF camera | |
| Messaging | SMS | Yes |
| MMS | Yes | |
| EMS | No | |
| IM | Yes | |
| Yes | ||
| Connectivity | GPRS | Yes |
| EDGE | Yes | |
| 3G | Yes | |
| Wi-Fi | Yes | |
| Infrared | No | |
| Bluetooth | Yes, v2.0 with A2DP | |
| USB | Yes, microUSB | |
| Features | OS | Symbian OS, S60 rel. 3.2 |
| Browser | Yes | |
| Games | Yes | |
| Other | Java MIDP 2.0 Built-in GPS receiver A-GPS support MP3/M4A/AAC/eAAC+/WMA player Stereo FM radio with RDS 96 MB SDRAM memory ARM 11 369 MHz processor Carl Zeiss optics FM transmitter Push to Talk 3.5 mm audio output jack Document viewer Built-in handsfree |