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| Phone | Kyocera 7135 | Samsung SGH-X640 | Samsung SCH-U430 | Samsung Wafer R510 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
1.9" diag. 4 : 3 |
| Display Resolution & Type |
160 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
220 x 176 pixels (~148 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 800 mAh | 1,000 mAh | 800 mAh |
| Processor | 33 MHz DragonBall | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | Yes | Yes | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | - | ? |
| Front Camera | - | - | - | - |
| Weight |
6.6 oz (187g) |
3 oz (85g) |
3.21 oz (91g) |
2.47 oz (70g) |
| Dimensions |
3.97" x 2.43" x 1.17" (101 x 62 x 29.7 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.67" x 1.85" x 0.78" (93 x 47 x 19.8 mm) |
4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab |
| Platform / OS | Palm OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | GPRS | 1xRTT | EVDO r0 |
| Features | ||||
| GPS / Location | n/a | - | Yes | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | Yes | - |
| Hearing Aid Compatible | - | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| Infrared (IR) | Yes | - | - | - |
| USB | Yes | - | - | - |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | Yes |
| Ringer ID | n/a | Yes | Yes | - |
| Voice Dialing | n/a | - | Yes | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | Yes |
| Custom Ringtones | n/a | Yes | Yes | Yes |
| Data & Network | ||||
| Data Tethering | n/a | - | - | - |
| WAP / Web Browser | n/a | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - | - | - |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | n/a | - | Yes | - |
| EMS / Picture Messaging | n/a | Yes | Yes | - |
| Instant Messaging | n/a | - | Yes | - |
| MMS | n/a | Yes | Yes | Yes |
| Text Messaging Templates | n/a | Yes | Yes | - |
| Music | ||||
| Music Player | n/a | - | - | Yes |
| Stereo Speakers | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | Yes |
| To-Do List | n/a | Yes | - | - |
| Voice Memo | n/a | Yes | Yes | Yes |
| Software | ||||
| BREW | n/a | - | Yes | Yes |
| Games | n/a | Yes | Yes | Yes |
| Java (J2ME) | n/a | Yes | - | - |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Kyocera 7135 | Samsung SGH-X640 | Samsung SCH-U430 | Samsung Wafer R510 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Kyocera 7135 | Samsung SGH-X640 | Samsung SCH-U430 | Samsung Wafer R510 |
