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| Phone | Samsung Knack U310 | Sanyo Katana Eclipse | Siemens C56 | Motorola Citrus |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
2" diag. 4 : 3 |
? |
3" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
101 x 64 pixels |
240 x 320 pixels (~133 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 840 mAh | 700 mAh | 1,150 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 1 megapixel | - | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | - | CIF (352 x 288) |
| Front Camera | - | - | - | - |
| Weight |
3.63 oz (103g) |
3.4 oz (96g) |
3 oz (85g) |
3.88 oz (110g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
3.6" x 1.9" x 0.7" (91 x 48 x 17.8 mm) |
3.98" x 1.73" x 0.83" (101 x 44 x 21.1 mm) |
4.09" x 2.32" x 0.59" (104 x 59 x 15 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
GSM: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | - | EVDO r0 | GPRS | EVDO r0 |
| Features | ||||
| GPS / Location | Yes | Yes | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | Yes | - | - | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- | - |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| USB | - |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | - | Yes | - | n/a |
| Ringer ID | - | Yes | Yes | n/a |
| Voice Dialing | Yes | Yes | Yes | n/a |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | - | Yes | Yes | n/a |
| Custom Ringtones | - | Yes | Yes | n/a |
| Real-Music Ringers | - | Yes | - | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | Yes | n/a |
| WAP / Web Browser | - | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | - | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | - | - | n/a |
| EMS / Picture Messaging | Yes | - | Yes | n/a |
| Instant Messaging | - | - | - | n/a |
| MMS | - | - | - | n/a |
| Text Messaging Templates | - | Yes | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | Yes | - | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | - | Yes | - | n/a |
| Voice Memo | - | Yes | - | n/a |
| Software | ||||
| Games | - | Yes | Yes | n/a |
| Java (J2ME) | - | Yes | Yes | n/a |
| Voice | ||||
| Call Screening | - | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | Yes | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Knack U310 | Sanyo Katana Eclipse | Siemens C56 | Motorola Citrus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Sanyo Katana Eclipse | Siemens C56 | Motorola Citrus |
