Motorola ROKR EM25 vs Motorola C550
| Vormgeving | Slide | Bar-telefoon |
| Afmetingen | 101.00 x 46.00 x 13.90 mm | 98.00 x 44.00 x 22.00 mm |
| Gewicht | 90.00 g | 94.00 g |
| Schermgrootte | 1.80" | - |
| Scherm | Kleurrijk / TFT 64k kleuren 128 x 160 px (1.80") | Kleurrijk / CSTN 4k kleuren 96 x 65 px |
| Bescherming scherm |   | |
| Extra scherm | | |
| Secundaire bescherming scherm | | |
| Max. gesprekstijd | 2G: 490 min. (8.2 h) | 2G: 320 min. (5.3 h) |
| Max. standbytijd | 2G: 330 uur (13.8 dagen) | 2G: 230 uur (9.6 dagen) |
| Standaard batterij | Li-Ion 780 mAhBuy powerbank | Li-Ion 750 mAhBuy powerbank |
| Snel opladen van de batterij | | |
| Draadloos opladen van de batterij | | |
| Geheugen van het telefoonboek | 1000 contacten | 100 contacten |
| Intern geheugen |  | 3 MB |
| Geheugen kaarten |  microSD tot 2 GBBuy memory card | |
| Touchscreen | | |
| Dual SIM | | |
| Andere namen van deze telefoon | EM325 | - |
| GSM standaard | 900 1800 | 900 1800 |
| UMTS standaard (3G) | | |
| LTE-standaard | | |
| CDMA standaard | | |
| TD-SCDMA-standaard | | |
| UMA standaard | | |
CAMERA'S - TERUG
| Eerste camera | | |
| Matrix | 1.3 Mpx | |
| Schermresolutie | 1280x1024 px | 640x480 px |
| Optische zoom | | |
| Digitale vergroting | 4x | 2x |
| Flitser | | |
| Dual-color LED-flitser | | |
| Extra | - | - |
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 | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | classe 10 | |
| EDGE | | |
| Bluetooth | v2.0 | |
| Perfil A2DP | | |
| HDMI | | |
| WiFi | | |
| WiFi frequenties | | |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi-hotspot | | |
| IrDA | | |
| USB | | |
| GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATIE EN BERICHTEN
| Call waiting | | |
| Video conferentie verbinding | | |
| Redirect | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | 750 contacten | |
| EMS | | |
| MMS | | |
| Predictive text | T9 | iTAP |
| Swype | | |
| E-mailclient | | |
| QWERTY toetsenbord | | |
| RSS reader | | |
Multimedia
| Radio | z RDS | |
| MP3 bediening | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | |
| HD Voice | | |
| Geluidsformaten | AAC, AMR, WAV | |
| Ringtone polyfoon | | 32 voice |
| Video beltonen | | |
| Beltoon componist | | |
| Spelletjes | | |
| Java | MIDP 2.0 | MIDP 1.0 |
| Videoverbinding | | |
| DVB-H televisie | | |
| TV aansluiting | | |
PIM EN EXTRA FUNCTIES
| Klok | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Valuta Converter | | |
| Organizer | | |
| Agenda | | |
| Vliegtuigstand | | |
| SyncML | | |
| Data en fax | | |
| Schermbeveiliging | | |
| Verwisselbare cover | | |
| Voice picking | | |
| Speaker | | |
| Memorecorder | | |
| Trilalarm | | |