Compare Phones
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| Phone | Samsung SGH-X640 | Samsung SGH-P850 / P858 | Kyocera DuraXE Epic / DuraXA Equip | Kyocera DuraCore / DuraShock | Sony Ericsson T237 / T290a |
| Current U.S. Carriers | (none) | (none) | US Cellular | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
2.6" diag. 4 : 3 |
2" diag. 4 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 800 mAh | 950 mAh | 1,770 mAh | 1,360 mAh | ? |
| Processor | ? | ? | 1.2 GHz Qualcomm Snapdragon 215 | Qualcomm QSC6085 | ? |
| RAM | ? | ? | 2 GB | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 3 megapixel | 5 megapixel | - | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | 720p HD | - | - |
| Front Camera | - | - | - | - | - |
| Weight |
3 oz (85g) |
4.23 oz (120g) |
6.8 oz (193g) |
4.44 oz (126g) |
2.79 oz (79g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.77" x 1.86" x 0.96" (96 x 47 x 24.4 mm) |
4.36" x 2.22" x 1.07" (111 x 56 x 27.2 mm) |
3.88" x 1.96" x 0.94" (99 x 50 x 23.9 mm) |
4" x 1.71" x 0.71" (102 x 43 x 18 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 14, 66 WCDMA: 1, 2, 4, 5 |
CDMA: 800, 850, 1900 |
GSM: 850, 1900 |
| Data Technology | GPRS | EDGE | LTE (Cat 4) | EVDO rA | GPRS |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Flashlight | - | - | Yes | - | - |
| GPS / Location | - | - | Yes | Yes | - |
| Ruggedized | - | - | Yes | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | - | - | Yes | Yes | - |
| Hearing Aid Compatible | - | - | Yes | Yes | - |
| Multiple Languages | Yes | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth |
- |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
- |
| Mobile Hotspot | - | - | Yes | - | - |
| USB | - | Yes |
Yes USB Type C |
Yes | Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | - | Yes |
| Ringer ID | Yes | Yes | Yes | Yes | Yes |
| Voice Dialing | - | - | Yes | Yes | Yes |
| Customization | |||||
| 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 | - | - |
| WAP / Web Browser | Yes | Yes | Yes | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | - | Yes | Yes | - | Yes |
| EMS / Picture Messaging | Yes | - | - | - | Yes |
| MMS | Yes | Yes | Yes | Yes | Yes |
| Text Messaging Templates | Yes | Yes | Yes | Yes | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | - | Yes | Yes | - | - |
| 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 | - | - | - | - |
| Voice Memo | Yes | Yes | Yes | Yes | Yes |
| Software | |||||
| Games | Yes | Yes | - | Yes | Yes |
| Java (J2ME) | Yes | Yes | - | Yes | - |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | - | - | Yes | - |
| Push-To-Talk | - | - | Yes | Yes * | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Samsung SGH-P850 / P858 | Kyocera DuraXE Epic / DuraXA Equip | Kyocera DuraCore / DuraShock | Sony Ericsson T237 / T290a | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SGH-P850 / P858 | Kyocera DuraXE Epic / DuraXA Equip | Kyocera DuraCore / DuraShock | Sony Ericsson T237 / T290a |
