Compare Phones
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| Phone | Motorola Rival A455 | Samsung SGH-X640 | Motorola ROKR E2 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels (~131 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | 940 mAh | 800 mAh | ? |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | Yes | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QVGA (320 x 240) | - | ? |
| Front Camera | - | - | - |
| Weight |
4.48 oz (127g) |
3 oz (85g) |
3.77 oz (107g) |
| Dimensions |
3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.17" x 1.95" x 0.71" (106 x 50 x 18 mm) |
| Form Factor | Slide | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | EVDO r0 | GPRS | EDGE |
| Features | |||
| GPS / Location | Yes | - | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | - |
| Alerts | |||
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | - | Yes |
| USB |
Yes Micro-USB |
- | Yes |
| Contacts | |||
| Picture ID | Yes | Yes | Yes |
| Ringer ID | Yes | Yes | Yes |
| Voice Dialing | Yes | - | Yes |
| Customization | |||
| Custom Graphics | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes |
| Real-Music Ringers | Yes | - | - |
| Data & Network | |||
| Data Tethering | Yes | - | Yes |
| WAP / Web Browser | Yes | Yes | Yes |
| Input | |||
| Predictive Text Entry | - | Yes | Yes |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen | Yes | - | - |
| Memory | |||
| Memory Card Slot | Yes | - | Yes |
| Messaging | |||
| Email Client | Yes | - | Yes |
| EMS / Picture Messaging | Yes | Yes | - |
| Instant Messaging | Yes | - | - |
| MMS | Yes | Yes | Yes |
| Text Messaging Templates | Yes | Yes | Yes |
| Music | |||
| FM Radio | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes |
| Music Player | Yes | - | Yes |
| Productivity | |||
| Alarm | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes |
| To-Do List | - | Yes | Yes |
| Voice Memo | Yes | Yes | Yes |
| Software | |||
| BREW | Yes | - | - |
| Games | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| Motorola Rival A455 | Samsung SGH-X640 | Motorola ROKR E2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Rival A455 | Samsung SGH-X640 | Motorola ROKR E2 |
