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| Phone | Samsung SPH-N400 | Samsung Delve R800 | Motorola T730 / T731c | Samsung Knack U310 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3" diag. 5 : 3 |
? |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
240 x 400 pixels (~154 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 1,000 mAh | 750 mAh | 1,000 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 2 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | - | - |
| Front Camera | - | - | - | - |
| Weight |
4 oz (113g) |
3.63 oz (103g) |
4.06 oz (115g) |
3.63 oz (103g) |
| Dimensions |
4.25" x 2.04" x 0.82" (108 x 52 x 20.8 mm) |
4.55" x 2.15" x 0.49" (116 x 55 x 12.4 mm) |
3.54" x 1.87" x 0.91" (90 x 47 x 23.1 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
| Form Factor | Flip | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | EVDO r0 | 1xRTT | - |
| Features | ||||
| GPS / Location | Yes | Yes | Yes | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | Yes |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | - | - |
| USB | Yes | Yes | Yes | - |
| Contacts | ||||
| Picture ID | Yes | Yes | - | - |
| Ringer ID | Yes | Yes | Yes | - |
| Voice Dialing | Yes | Yes | Yes | Yes |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | Yes | Yes | Yes | - |
| Custom Ringtones | Yes | Yes | Yes | - |
| Real-Music Ringers | - | Yes | - | - |
| Data & Network | ||||
| Data Tethering | Yes | Yes | Yes | - |
| WAP / Web Browser | Yes | Yes | Yes | - |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | Yes | - | - |
| Touch Screen | - |
Yes Resistive |
- | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | - |
| Messaging | ||||
| Email Client | - | Yes | Yes | - |
| EMS / Picture Messaging | - | - | Yes | Yes |
| MMS | - | Yes | - | - |
| Text Messaging Templates | - | Yes | Yes | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | Yes | - | - | - |
| Voice Memo | - | Yes | Yes | - |
| Software | ||||
| BREW | - | Yes | Yes * | - |
| Games | Yes | Yes | Yes | - |
| Java (J2ME) | Yes | - | - | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | Yes | Yes |
| Speaker Phone | Yes | Yes | - | Yes |
| * Some versions only | ||||
| Samsung SPH-N400 | Samsung Delve R800 | Motorola T730 / T731c | Samsung Knack U310 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-N400 | Samsung Delve R800 | Motorola T730 / T731c | Samsung Knack U310 |
