Siemens S55 vs Siemens S45
| Vormgeving | Bar-telefoon | Bar-telefoon | Bar-telefoon | Bar-telefoon |
| Afmetingen | 101.00 x 42.00 x 18.00 mm | 109.00 x 46.00 x 20.00 mm | 108.00 x 46.00 x 18.00 mm | 159.00 x 55.00 x 22.00 mm |
| Gewicht | 85.00 g | 93.00 g | 90.00 g | 190.00 g |
| Schermgrootte | - | - | - | - |
| Scherm | Kleurrijk / CSTN 256 kleuren 101 x 80 px | Mono / STN 101 x 80 px | Kleurrijk / TFT 64k kleuren 132 x 176 px | Mono / LCD 97 x 33 px |
| Bescherming scherm |   | | | |
| Extra scherm | | | | |
| Secundaire bescherming scherm | | | | |
| Max. gesprekstijd | 2G: 360 min. (6.0 h) | 2G: 360 min. (6.0 h) | 2G: 330 min. (5.5 h) | 2G: 360 min. (6.0 h) |
| Max. standbytijd | 2G: 300 uur (12.5 dagen) | 2G: 300 uur (12.5 dagen) | 2G: 300 uur (12.5 dagen) | 2G: 80 uur (3.3 dagen) |
| Standaard batterij | Li-Ion 700 mAhBuy powerbank | Li-Ion 850 mAhBuy powerbank | Li-Ion 750 mAhBuy powerbank | Ni-MH 700 mAhBuy powerbank |
| Snel opladen van de batterij | | | | |
| Draadloos opladen van de batterij | | | | |
| Geheugen van het telefoonboek |  | 50+(500 książka adresowa) contacten | 1000 contacten | 250 contacten |
| Intern geheugen | 1 MB | | 10 MB | |
| Geheugen kaarten | | | | |
| Touchscreen | | | | |
| SAR | 0,53 W/kg | | 0,67 W/kg | |
| Dual SIM | | | | |
| Andere namen van deze telefoon | - | - | - | - |
| GSM standaard | 900 1800 1900 | 900 1800 | 900 1800 1900 | 900 |
| UMTS standaard (3G) | | | | |
| LTE-standaard | | | | |
| CDMA standaard | | | | |
| TD-SCDMA-standaard | | | | |
| UMA standaard | | | | |
CAMERA'S - TERUG
| Eerste camera | | |  | |
| Schermresolutie | nd | nd | 640x480 px | nd |
| Optische zoom | nd | nd | | nd |
| Digitale vergroting | nd | nd | 5x | nd |
| Flitser | nd | nd | | nd |
| Dual-color LED-flitser | nd | nd | | nd |
| Videoresolutie | nd | nd | 352x288 px | nd |
| Videoformaten | nd | nd | 3GP, H.263 | nd |
| Extra | nd | nd | - | nd |
CAMERA'S - VOORKANT
SENSORS
| Accelerometer | | | | |
| Nabijheid | | | | |
| Licht sensor | | | | |
| Magnetometer | | | | |
| Gyroscoop | | | | |
| Barometer | | | | |
| Altimeter | | | | |
| Gravity sensor | | | | |
| Hall-effect sensor | | | | |
| Iris scanner | | | | |
| Vingerafdrukscanner | | | | |
| Thermometer | | | | |
| Hygrometer | | | | |
Gegevens transmissie
| xHTML | | | | |
| WAP | v1.2.1 | v1.2 | v2.0 | |
| HSCSD | | | | |
| HSUPA | | | | |
| HSPA | | | | |
| HSPA+ | | | | |
| LTE DL | | | | |
| LTE UP | | | | |
| WIMAX+ | | | | |
| GPRS | classe 10 | | classe 10 | |
| EDGE | | | | |
| Bluetooth | | | | |
| HDMI | | | | |
| WiFi | | | | |
| WiFi frequenties | | | | |
| WiFi Direct | | | | |
| WiFi Display | | | | |
| DLNA | | | | |
| Miracast | | | | |
| WiFi-hotspot | | | | |
| IrDA | | | | |
| USB | | | | |
| Beidou | | | | |
| NFC | | | | |
COMMUNICATIE EN BERICHTEN
| Call waiting | | | | |
| Video conferentie verbinding | | | | |
| Redirect | | | | |
| Push To Talk | | | | |
| Instant Messenger | | | | |
| SMS | | | | |
| EMS | | | | |
| MMS | | | v1.2 | |
| Predictive text | T9 | T9 | T9 | |
| Swype | | | | |
| E-mailclient | | | POP3, IMAP4, SMTP | |
| QWERTY toetsenbord | | | | |
| RSS reader | | | | |
Multimedia
| Radio | | | | |
| MP3 bediening | | | | |
| Stereo speakers | | | | |
| Audio Jack | | | | |
| HD Voice | | | | |
| Geluidsformaten | | | AMR, WAV | |
| Ringtone polyfoon | 16 voice | | 40 voice | |
| Video beltonen | | | | |
| Beltoon componist | | | | |
| Spelletjes | | | | |
| Java | MIDP 1.0 | | MIDP 2.0 | |
| Videoverbinding | | | | |
| DVB-H televisie | | | | |
| TV aansluiting | | | | |
PIM EN EXTRA FUNCTIES
| Klok | | | | |
| Stopwatch | | | | |
| Alarm | | | | |
| Calculator | | | | |
| Valuta Converter | | | | |
| Organizer | | | | |
| Agenda | | | | |
| Vliegtuigstand | | | | |
| SyncML | | | | |
| Data en fax | | | | |
| Schermbeveiliging | | | | |
| Thema's | | | | |
| Verwisselbare cover | | | | |
| Voice picking | | | | |
| Speaker | | | | |
| Memorecorder | | | | |
| Trilalarm | | | | |
