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| Phone | Samsung SGH-A157 | Motorola T720 / T721 (GSM) | Motorola RAZR V3c |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | 800 mAh | ? | 740 mAh |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | 256 MB | ? raw hardware | ? raw hardware |
| Main Camera | - | - | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | - | ? |
| Front Camera | - | - | - |
| Weight |
2.99 oz (85g) |
3.56 oz (101g) |
3.49 oz (99g) |
| Dimensions |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm) |
3.9" x 2.1" x 0.6" (99 x 53 x 15.2 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | ? | GPRS | EVDO r0 |
| Features | |||
| GPS / Location | Yes | - | Yes |
| Accessibility | |||
| Adjustable Text Size | Yes | - | - |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
- |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | - | Yes | Yes |
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | - | - | Yes |
| USB |
Yes Micro-USB |
- |
Yes Mini-USB |
| Contacts | |||
| Picture ID | Yes | - | Yes |
| Ringer ID | Yes | Yes | Yes |
| Voice Dialing | - | Yes | Yes |
| Customization | |||
| Changeable Body Plates | - | Yes | - |
| Custom Graphics | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes |
| Real-Music Ringers | Yes | - | Yes |
| Data & Network | |||
| Data Tethering | - | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes |
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes |
| Side Keys | - | Yes | Yes |
| Messaging | |||
| Email Client | - | Yes | - |
| EMS / Picture Messaging | - | Yes | Yes |
| MMS | Yes | - | Yes |
| Text Messaging Templates | Yes | Yes | Yes |
| Productivity | |||
| Alarm | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes |
| To-Do List | Yes | - | - |
| Voice Memo | Yes | Yes | Yes |
| Software | |||
| BREW | - | - | Yes |
| Games | - | Yes | Yes |
| Java (J2ME) | - | Yes | - |
| Voice | |||
| Headset Jack (2.5 mm) | - | Yes | - |
| Speaker Phone | Yes | - | Yes |
| Samsung SGH-A157 | Motorola T720 / T721 (GSM) | Motorola RAZR V3c | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A157 | Motorola T720 / T721 (GSM) | Motorola RAZR V3c |
