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| Phone | Samsung SGH-X640 | Pantech Marauder | Casio Exilim C721 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
3.8" diag. 5 : 3 |
2.3" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
480 x 800 pixels (~246 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~174 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 800 mAh | 1,680 mAh | 920 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon S4 MSM8960-Lite | ? |
| RAM | ? | 1 GB | ? |
| Storage | ? raw hardware | 4 GB | ? raw hardware |
| Main Camera | Yes | 5 megapixel | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | 720p HD | QVGA (320 x 240) |
| Front Camera | - | Yes | - |
| Weight |
3 oz (85g) |
6.07 oz (172g) |
4.48 oz (127g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.06" x 2.57" x 0.49" (129 x 65 x 12.4 mm) |
4.06" x 1.97" x 0.78" (103 x 50 x 19.9 mm) |
| Form Factor | Clamshell | Slide | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 13 CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | LTE (Cat 3) | EVDO rA |
| Features | |||
| Flashlight | - | - | Yes |
| GPS / Location | - | n/a | Yes |
| Ruggedized | - | - | Yes |
| Water-Resistant | - | - | Yes |
| Accessibility | |||
| Adjustable Text Size | - | n/a | Yes |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| Mobile Hotspot | - | n/a | - |
| USB | - |
Yes Micro-USB |
Yes |
| Wi-Fi | - | Yes | - |
| Contacts | |||
| Picture ID | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes |
| Voice Dialing | - | n/a | Yes |
| Customization | |||
| Custom Graphics | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | - | n/a | Yes |
| Data & Network | |||
| Data Tethering | - | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | - | n/a | - |
| EMS / Picture Messaging | Yes | n/a | Yes |
| Instant Messaging | - | n/a | Yes |
| MMS | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | - | n/a | Yes |
| Photo & Video | |||
| DLNA | - | Yes | - |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| To-Do List | Yes | n/a | Yes |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| BREW | - | n/a | Yes |
| Games | Yes | n/a | Yes |
| Java (J2ME) | Yes | n/a | - |
| Voice | |||
| Headset Jack (2.5 mm) | Yes | n/a | - |
| Speaker Phone | Yes | Yes | Yes |
| Samsung SGH-X640 | Pantech Marauder | Casio Exilim C721 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Pantech Marauder | Casio Exilim C721 |
