| NOKIA N91 | NOKIA N92 | NOKIA N71 | NOKIA N80 |
Functions | | | | |
| Operating system | Symbian OS 9.1 | Symbian OS 9.1 | Symbian OS 9.1 | Symbian OS 9.1 |
| S60 platform version | S60 3rd Edition | S60 3rd Edition | S60 3rd Edition | S60 3rd Edition |
| Bands | GSM 900/1800/1900 MHz, WCDMA 2100 MHz | GSM 900/1800/1900 MHz, WCDMA 2100 MHz | GSM 900/1800/1900 MHz, WCDMA 2100 MHz | Quadband GSM 850/900/1800/1900 MHz, WCDMA 1900 or 2100 MHz |
| 3G UMTS | YES | YES | YES | YES |
| WLAN | YES, 802.11 b/g | YES, 802.11 b/g with UPnP | NO | YES, 802.11 b/g with UPnP |
| EDGE | YES | YES | YES | YES |
| Data transmission | 3G (384 kbps), EDGE (286.8 kbps), GPRS, HSCSD, CSD | 3G (384 kbps), EDGE (286.8 kbps), GPRS, HSCSD, CSD | 3G (384 kbps), EDGE (286.8 kbps), GPRS, HSCSD, CSD | 3G (384 kbps), EDGE (286.8 kbps), GPRS, HSCSD, CSD |
| Memory card slot | NO | YES, miniSD card (128 MB card bundled) | YES, miniSD card (128 MB card bundled) | YES, miniSD card (128 MB card bundled) |
| Internal storage memory | 4 GB hard disk + 30 MB internal Flash | ~ 40 MB | ~ 10 MB | 40 MB |
| Operating memory (RAM) | ? | ? | ? | ~ 45 MB (~ 19 MB free) |
| CPU | 32-bit RISC ARM9 | 32-bit RISC ARM9 | 32-bit RISC ARM9 @ 206 MHz | 32-bit RISC ARM9 @ 206 MHz |
| Battery/standby | BL-5C Li-Ion 900 mAh / up to 7 days | Li-Polymer 1500 mAh / up to 14 days | BL-5C Li-Ion 970 mAh / up to 9 days | BP-5B Li-Ion 860 mAh / up to 8 days |
| Talk time | up to 3-4 hours | up to 4 hours | up to 4 hours | up to 3 hours |
| Weight & size | 160 g, 113.1 x 55.2 x 22 mm | 191 g, 107.4 x 58.2 x 24.8 mm | 139 g, 98.6 x 51.2 x 25.8 mm | 134 g, 95.4 x 50 x 26 mm |
| Casing | Stainless steel | Plastic | Plastic | Plastic |
| Bluetooth | 1.2 | 1.2 version. Up to 6 Bluetooth connections at the same time | 1.2 version. Up to 6 Bluetooth connections at the same time | 1.2 |
| Infrared | NO | YES | YES | YES |
| Cable connectivity | Full speed USB 2.0 (Pop-Port) | Full speed USB 2.0 (Pop-Port) | Full speed USB 2.0 (Pop-Port) | Full speed USB 2.0 (Pop-Port) |
| Display(s) | TFT 262144 colors (18-bit) | main: 2.8" QVGA TFT 16 million colors (24-bit) cover: 1" 65536 colors (16-bit) | main: 2.4" QVGA TFT 262144 colors (18-bit) cover: 1.36" 65536 colors (16-bit) | TFT 262144 colors (18-bit) |
| Resolution | 176x208 pixels | main: 320x240 pixels cover: 128x36 pixels | main: 320x240 pixels cover: 96x68 pixels | 352x416 pixels |
| Touch-sensitive screen, pen input | NO | NO | NO | NO |
| Handwriting recognition | NO | NO | NO | NO |
| T9 predictive text input | YES | YES | YES | YES |
| Input | Phone keypad | Phone keypad | Phone keypad | Phone keypad |
| Navigation | Joystick | Five-way navikey | Five-way navikey | Five-way navikey |
| Browser | HTML 4.01, WAP 2.0 | HTML 4, WAP 2.0; Nokia Web Browser with Mini map | HTML 4, WAP 2.0 | HTML 4, WAP 2.0; Nokia Web Browser with Mini map |
| Messaging | SMS, MMS, Email, Instant messaging | SMS, MMS, Email, Instant messaging | SMS, MMS, Email, Instant messaging | SMS, MMS, Email, Instant messaging |
| Speakerphone | YES | YES | YES | YES |
| Voice features | Voice dialling, Voice recorder, Voice commands | Enhanced voice commands (SIND), Voice Dialling, Voice recorder | Voice dialling, Voice recorder, Enhanced voice commands (SIND) | Voice Dialling, Voice recorder, Voice commands |
| Built-in camera(s) | 2.0 megapixels (1600x1200), 8x digital zoom, LED flash | 2.0 megapixels (1600x1200), 4x digital zoom Second camera: CIF (352x288 pixels) | 2.0 megapixels (1600x1200), 20x digital zoom, LED flash Second camera: VGA (640x480 pixels), 2x digital zoom | 3.0 megapixels CMOS (2048x1536 pixels), 20x digital zoom and close-up mode |
| Video | Two-way video calls, video sharing, video recording, video playback | Two-way video calls, video sharing, video recording (352x288 pixels, 15 fps), video playback | Two-way video calls, video sharing, video recording (352x288 pixels, 15 fps), video playback | Two-way video calls, video sharing, video recording, video playback |
| Vibrating | YES | YES | YES | YES |
| Antenna | Internal | Internal | Internal | Internal |
| Radio | Stereo Visual FM radio | Stereo Visual FM radio | Stereo Visual FM radio | Stereo Visual FM radio |
| Audio playback | Stereo | Stereo | Stereo | Stereo |
| Offline / Flight mode | YES | YES | YES | YES |
| Data synchronisation | Local and remote | Local and remote | Local and remote | Local and remote |
| Personalisation | themes, ringtones, alerts, background picture, operator logo, startup screen, picture phonebook, profiles | themes, ringtones, alerts, background picture, operator logo, startup screen, picture phonebook, profiles | themes, ringtones, alerts, background picture, operator logo, startup screen, picture phonebook, profiles | themes, ringtones, alerts, background picture, operator logo, startup screen, picture phonebook, profiles |
| Supported platforms/technologies | C++, Java MIDP 2.0 | C++, Java MIDP 2.0 | C++, Java MIDP 2.0 | C++, Java MIDP 2.0 |
| Highlights / Other features | WLAN, stainless steel case, standard 3.5 mm audio jack, Hi-Fi quality sound, dedicated audio playback buttons, 4 gigabyte hard disk | DVB-H 470-702 MHz digital TV; Stand out design with 4 modes (View mode for watching, Imaging mode for video and still photo capture, Phone mode for talking, Closed mode for carrying); Stereo speakers; 2-way ITU-T keypad; 30 min. recording of mobile TV programmes; USB Mass Storage | One of the smallest clamshell phones; USB Mass Storage | 3 Megapixel CMOS camera with macro mode; USB Mass storage |
| Disadvantages | no memory card slot | - | no camera | - |
| | (Nokia N91) | (Nokia N92) | (Nokia N71) | (Nokia N80) |