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| Phone | Motorola i580 | Sony Ericsson J300a | Samsung M300 | Samsung Messager R450 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
2.1" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | ? | ? | 960 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | - | Yes | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | - | - |
| Front Camera | - | - | - | - |
| Weight |
4.9 oz (139g) |
2.75 oz (78g) |
2.68 oz (76g) |
4.58 oz (130g) |
| Dimensions |
3.68" x 2.2" x 1.2" (93 x 56 x 30.5 mm) |
3.9" x 1.68" x 0.72" (99 x 43 x 18.3 mm) |
3.6" x 1.9" x 0.7" (91 x 48 x 17.8 mm) |
4.4" x 2" x 0.7" (112 x 51 x 17.8 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
iDEN: 800 |
GSM: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1700, 1900 |
| Data Technology | WiDEN | GPRS | 1xRTT | 1xRTT |
| Features | ||||
| GPS / Location | Yes | - | Yes | Yes |
| Ruggedized | Yes | - | - | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | - | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | - |
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| USB | - | Yes | Yes | Yes |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | Yes |
| Ringer ID | Yes | - | Yes | Yes |
| Voice Dialing | Yes | Yes | Yes | Yes |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | Yes | - |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | - | Yes | - | - |
| EMS / Picture Messaging | - | Yes | - | - |
| MMS | Yes | Yes | - | Yes |
| Text Messaging Templates | Yes | - | Yes | Yes |
| Music | ||||
| Music Player | Yes * | - | - | Yes |
| Productivity | ||||
| Alarm | - | Yes | Yes | Yes |
| Calculator | Yes * | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | - | Yes | Yes | - |
| Voice Memo | Yes | Yes | Yes | Yes |
| Software | ||||
| BREW | - | - | - | Yes |
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | Yes | Yes | Yes | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | Yes | - |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Motorola i580 | Sony Ericsson J300a | Samsung M300 | Samsung Messager R450 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola i580 | Sony Ericsson J300a | Samsung M300 | Samsung Messager R450 |
