Compare Phones
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| Phone | Samsung SGH-X640 | Kyocera DuraPlus | Samsung SCH-A990 | Casio G'zOne Boulder | Motorola Q |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2" diag. 4 : 3 |
? |
2" diag. 4 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 800 mAh | 1,650 mAh | 1,000 mAh | 810 mAh | 1,130 mAh |
| Processor | ? | ? | ? | ? | ? |
| RAM | ? | 128 MB | ? | ? | ? |
| Storage | ? raw hardware | 256 MB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | - | 3 megapixel | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | ? | ? | ? |
| Front Camera | - | - | - | - | - |
| Weight |
3 oz (85g) |
6.67 oz (189g) |
4.4 oz (125g) |
4.9 oz (139g) |
4.06 oz (115g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.28" x 2.17" x 0.93" (134 x 55 x 23.6 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
4.57" x 2.52" x 0.47" (116 x 64 x 11.9 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Windows Mobile Standard |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | EVDO rA | EVDO r0 | EVDO rA | EVDO r0 |
| Features | |||||
| Flashlight | - | Yes | Yes | Yes | - |
| GPS / Location | - | Yes | Yes | Yes | n/a |
| Ruggedized | - | Yes | - | Yes | - |
| Water-Resistant | - | Yes | - | Yes | - |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | - | - | n/a |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | Yes | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | - | Yes |
| USB | - |
Yes Micro-USB |
Yes | Yes |
Yes Mini-USB |
| Contacts | |||||
| Picture ID | Yes | - | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | Yes | n/a |
| Voice Dialing | - | Yes | Yes | Yes | n/a |
| Customization | |||||
| Changeable Body Plates | - | - | - | Yes | - |
| Custom Graphics | Yes | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | Yes | - | n/a |
| Data & Network | |||||
| Data Tethering | - | - | Yes | Yes | n/a |
| External Antenna Jack | - | - | - | - | n/a |
| WAP / Web Browser | Yes | Yes | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | - | - | n/a |
| EMS / Picture Messaging | Yes | - | Yes | Yes | n/a |
| Instant Messaging | - | - | - | - | n/a |
| MMS | Yes | Yes | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | Yes | n/a |
| Music | |||||
| Music Player | - | - | Yes | Yes | n/a |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | Yes | n/a |
| To-Do List | Yes | - | - | - | n/a |
| Voice Memo | Yes | Yes | Yes | Yes | n/a |
| Software | |||||
| BREW | - | Yes | Yes | Yes | n/a |
| Games | Yes | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | Yes | - | - | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | Yes | - | - | n/a |
| Push-To-Talk | - | Yes | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Kyocera DuraPlus | Samsung SCH-A990 | Casio G'zOne Boulder | Motorola Q | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Kyocera DuraPlus | Samsung SCH-A990 | Casio G'zOne Boulder | Motorola Q |
