Compare Phones
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| Phone | Siemens CT66 / C66 / C65 / C71 / C70 | Sonim XP5plus | Samsung SGH-E640 | Samsung SGH-i300 |
| Current U.S. Carriers | (none) | AT&T | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.8" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
130 x 130 pixels LCD (Color) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 600 mAh | 3,500 mAh | 800 mAh | ? |
| Processor | ? | 2 GHz Snapdragon 662 | ? | ? |
| RAM | ? | 2 GB | ? | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 8 megapixel | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | QCIF (176 x 144) | ? |
| Front Camera | - | - | - | - |
| Weight |
3 oz (85g) |
9.7 oz (275g) |
3.17 oz (90g) |
4.59 oz (130g) |
| Dimensions |
4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm) |
5.85" x 2.59" x 0.83" (149 x 66 x 21 mm) |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
4.45" x 1.89" x 0.79" (113 x 48 x 20.1 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Windows Mobile Standard |
| Network Bands |
GSM: 850, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 29, 30, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | GPRS | LTE (Cat 13) | GPRS | GPRS |
| Features | ||||
| Barometer | - | Yes | - | - |
| Flashlight | - | Yes | - | - |
| GPS / Location | - | Yes | - | n/a |
| Ruggedized | - | Yes | - | - |
| Water-Resistant | - |
Yes IPX9 (dishwasher) |
- | - |
| Accessibility | ||||
| Adjustable Text Size | - | Yes | - | n/a |
| Hearing Aid Compatible | - | Yes | - | - |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | Yes | - | - | Yes |
| Mobile Hotspot | - | Yes | - | n/a |
| USB | Yes |
Yes USB Type C |
Yes | Yes |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | n/a |
| Voice Dialing | - | Yes | - | n/a |
| Customization | ||||
| Changeable Body Plates | Yes | - | - | - |
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | - | n/a |
| Dual-SIM | - | Yes | - | - |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | - | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | - | Yes | n/a |
| EMS / Picture Messaging | Yes | - | Yes | n/a |
| MMS | Yes | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Music Player | - | Yes | Yes | n/a |
| Stereo Speakers | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | Yes | - | Yes | n/a |
| Voice Memo | Yes | Yes | Yes | n/a |
| Software | ||||
| Games | Yes | - | Yes | n/a |
| Java (J2ME) | Yes | - | Yes | n/a |
| Voice | ||||
| Call Screening | Yes | - | - | - |
| HD Voice | - | Yes | - | - |
| Push-To-Talk | Yes * | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Siemens CT66 / C66 / C65 / C71 / C70 | Sonim XP5plus | Samsung SGH-E640 | Samsung SGH-i300 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens CT66 / C66 / C65 / C71 / C70 | Sonim XP5plus | Samsung SGH-E640 | Samsung SGH-i300 |
