Nokia 6555 vs Nokia N76
| Type | Clamshell | Clamshell |
| Dimensions | 99.60 x 44.30 x 19.60 mm | 106.50 x 52.00 x 13.70 mm |
| Weight | 97.00 g | 115.00 g |
| Display size | 2.00" | 2.40" |
| Display | Color / TFT 16M colors 240 x 320 px (2.00") 200 ppi | Color / TFT 16M colors 240 x 320 px (2.40") 167 ppi |
| Display protection |   | |
| Additional display | Color / TFT 256 colors 128 x 160 px | Color / TFT 256k colors 160 x 128 px (1.36") |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 360 min. (6.0 h) 3G: 194 min. (3.2 h) | 2G: 165 min. (2.8 h) 3G: 120 min. (2.0 h) |
| Stand-by (max.) | 2G: 225 h. (9.4 days) 3G: 256 h. (10.7 days) | 2G: 204 h. (8.5 days) 3G: 204 h. (8.5 days) |
| Standard battery | Li-Ion 1020 mAhBuy powerbank
| Li-Ion 700 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory | 1000 places |  |
| Internal memory | 30 MB | 26 MB |
| Memory cards |  microSD up to 4 GBBuy memory card | microSD up to 2 GBBuy memory card |
| Operating system | Nokia OS | Symbian 9.2 |
| Interface | Series 40 5th Edition | Series 60 3rd Edition |
| Touchscreen | | |
| SAR (10g) | 0,88 W/kg | 1,04 W/kg |
| DualSIM | | |
| Announced | | 2Q 2007 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 1.3 Mpx | 2 Mpx |
| Resolution | 1280x960 px | 1600x1200 px |
| Optical zoom | | |
| Digital zoom | 6x | 20x |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video resolution | 176x144 px | 240x320 px |
| Video formats | H.263 - 15 fps | MPEG4, H.263 - 15 fps, H.264, RealVideo |
| Additional | - | - |
CAMERAS - FRONT
| First camera | | |
| Resolution | nd | 320x240 px |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | MPEG4, H.263 - 15 fps, H.264, RealVideo |
| Additional | nd | - |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | |
| HSCSD | | |
| HSDPA | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 32 | |
| EDGE | class 10 | class 32 |
| Bluetooth | v2.0 | v2.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | |
| WiFi frequencies | | |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, MIDI, MP4, WMA, XMF, eAAC+ | AAC, M4A, MP4, RA, WAV, WMA, eAAC+ |
| Polyphony | 64 voices | 64 voices |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.1 | MIDP 2.0 |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |