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| Phone | Samsung SGH-X640 | Kyocera Oystr KX9d / KX9e | LG AX-490 | Kyocera K404 | Samsung SGH-X820 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? | ? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
128 x 160 pixels LCD (TFT/TFD) |
104 x 90 pixels LCD (STN) |
220 x 176 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 800 mAh | 870 mAh | 1,100 mAh | 900 mAh | 650 mAh |
| Processor | ? | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | - | Yes | - | 2 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | - | ? |
| Front Camera | - | - | - | - | - |
| Weight |
3 oz (85g) |
3.5 oz (99g) |
3.79 oz (107g) |
3.52 oz (100g) |
2.33 oz (66g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.46" x 1.88" x 0.98" (88 x 48 x 24.9 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
4.45" x 1.89" x 0.91" (113 x 48 x 23.1 mm) |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | 1xRTT | 1xRTT | EDGE |
| Features | |||||
| Flashlight | - | - | - | Yes | - |
| GPS / Location | - | Yes | Yes | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
- | - |
| Multiple Languages | Yes | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | - | Yes | - | Yes |
| USB | - | Yes | Yes | - | Yes |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | - | Yes |
| Ringer ID | Yes | Yes | Yes | - | Yes |
| Voice Dialing | - | Yes | Yes | Yes | - |
| Customization | |||||
| Changeable Body Plates | - | - | - | Yes | - |
| Custom Graphics | Yes | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes | Yes |
| Real-Music Ringers | - | Yes * | Yes | - | Yes |
| Data & Network | |||||
| Data Tethering | - | - | Yes | - | - |
| External Antenna Jack | - | - | - | - | Yes |
| WAP / Web Browser | Yes | Yes * | Yes | - | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | - | Yes | Yes |
| Side Keys | Yes | Yes | Yes | - | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Messaging | |||||
| Email Client | - | - | - | - | Yes |
| EMS / Picture Messaging | Yes | Yes | - | Yes | Yes |
| MMS | Yes | - | Yes | - | Yes |
| Text Messaging Templates | Yes | Yes | Yes | - | Yes |
| Music | |||||
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes | Yes |
| To-Do List | Yes | - | - | - | Yes |
| Voice Memo | Yes | Yes | Yes | - | Yes |
| Software | |||||
| BREW | - | Yes * | Yes | - | - |
| Games | Yes | Yes | Yes | Yes * | Yes |
| Java (J2ME) | Yes | Yes * | - | - | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | Yes | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Kyocera Oystr KX9d / KX9e | LG AX-490 | Kyocera K404 | Samsung SGH-X820 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Kyocera Oystr KX9d / KX9e | LG AX-490 | Kyocera K404 | Samsung SGH-X820 |
