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| Phone | Samsung Wafer R510 | Motorola T720 / T721 (GSM) | Samsung SCH-A930 | LG Extravert 2 / Freedom II |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.9" diag. 4 : 3 |
? | ? |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
220 x 176 pixels (~148 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 400 pixels (~146 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | ? | 1,000 mAh | 1,000 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 512 MB |
| Main Camera | 1 megapixel | - | 1 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | ? | QVGA (320 x 240) |
| Front Camera | - | - | - | - |
| Weight |
2.47 oz (70g) |
3.56 oz (101g) |
3.98 oz (113g) |
4.15 oz (118g) |
| Dimensions |
4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm) |
3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm) |
3.59" x 1.89" x 0.98" (91 x 48 x 24.9 mm) |
4.4" x 2.15" x 0.64" (112 x 55 x 16.3 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slide |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO r0 | GPRS | EVDO r0 | 1xRTT |
| Features | ||||
| GPS / Location | Yes | - | Yes | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | Yes |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| USB | - | - | Yes |
Yes Micro-USB |
| Contacts | ||||
| Picture ID | 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 |
| Real-Music Ringers | - | - | - | Yes |
| Data & Network | ||||
| Data Tethering | - | Yes | - | - |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | Yes | - | Yes |
| EMS / Picture Messaging | - | Yes | Yes | - |
| Instant Messaging | - | - | Yes | - |
| MMS | Yes | - | Yes | Yes |
| Text Messaging Templates | - | Yes | - | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | - | Yes | Yes |
| Stereo Speakers | Yes | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| Voice Memo | Yes | Yes | Yes | Yes |
| Software | ||||
| BREW | Yes | - | Yes | Yes |
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | - | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | Yes | Yes | - |
| Speaker Phone | Yes | - | Yes | Yes |
| Samsung Wafer R510 | Motorola T720 / T721 (GSM) | Samsung SCH-A930 | LG Extravert 2 / Freedom II | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Wafer R510 | Motorola T720 / T721 (GSM) | Samsung SCH-A930 | LG Extravert 2 / Freedom II |
