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| Phone | Samsung Knack U310 | Siemens CT66 / C66 / C65 / C71 / C70 | Google Pixel 2 | Samsung Sway U650 | Sonim XP5s |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? |
5" diag. 16 : 9 |
2.2" diag. 4 : 3 |
2.6" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
130 x 130 pixels LCD (Color) |
1080 x 1920 pixels (~441 ppi) AMOLED |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
320 x 432 pixels (~204 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 1,000 mAh | 600 mAh | 2,700 mAh | ? | 3,180 mAh |
| Processor | ? | ? | 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) | ? | 1.4 GHz Qualcomm Snapdragon 427 (MSM8920) |
| RAM | ? | ? | 4 GB | ? | 2 GB |
| Storage | ? raw hardware | ? raw hardware | 64 GB * | ? raw hardware | 16 GB |
| Main Camera | - | Yes | 12 megapixel | 2 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | 4K UHD | ? | 720p HD |
| Front Camera | - | - | 8 megapixel | - | - |
| Weight |
3.63 oz (103g) |
3 oz (85g) |
5.08 oz (144g) |
3.56 oz (101g) |
9.17 oz (260g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm) |
5.73" x 2.74" x 0.31" (146 x 70 x 7.9 mm) |
4.15" x 1.96" x 0.47" (105 x 50 x 11.9 mm) |
5.55" x 2.52" x 0.91" (141 x 64 x 23 mm) |
| Form Factor | Clamshell | Slab | Slab | Slide | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 28, 30, 38, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | GPRS | LTE (Cat 15) | 1xRTT | LTE (Cat 4) |
| Features | |||||
| Barometer | - | - | Yes | - | Yes |
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | Yes | - | n/a | Yes | Yes |
| Ruggedized | - | - | - | - | Yes |
| VR-ready | - | - | Yes | - | - |
| Water-Resistant | - | - |
Yes IPX7 (snorkeling) |
- |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Adjustable Text Size | Yes | - | n/a | Yes | Yes |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - | - |
| Mobile Hotspot | - | - | n/a | - | Yes |
| NFC | - | - | Yes | - | - |
| USB | - | Yes |
Yes USB Type C |
Yes |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | - | Yes | n/a | Yes | Yes |
| Ringer ID | - | Yes | n/a | Yes | Yes |
| Voice Dialing | Yes | - | n/a | Yes | - |
| Customization | |||||
| Changeable Body Plates | - | Yes | - | - | - |
| Custom Graphics | - | Yes | n/a | Yes | - |
| Custom Ringtones | - | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | - | n/a | Yes | - |
| Data & Network | |||||
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | - | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | Yes |
| Side Keys | Yes | - | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | n/a | Yes | - |
| EMS / Picture Messaging | Yes | Yes | n/a | Yes | - |
| Instant Messaging | - | - | n/a | Yes | - |
| MMS | - | Yes | n/a | Yes | Yes |
| Text Messaging Templates | - | Yes | n/a | Yes | Yes |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Music Player | - | - | n/a | Yes | Yes |
| Stereo Speakers | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | Yes |
| Calculator | Yes | Yes | n/a | Yes | Yes |
| Calendar | Yes | Yes | n/a | Yes | Yes |
| To-Do List | - | Yes | n/a | - | - |
| Voice Memo | - | Yes | n/a | Yes | Yes |
| Software | |||||
| BREW | - | - | n/a | Yes | - |
| Games | - | Yes | n/a | Yes | - |
| Java (J2ME) | - | Yes | n/a | - | - |
| Voice | |||||
| Call Screening | - | Yes | - | - | - |
| HD Voice | - | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a | - | - |
| Push-To-Talk | - | Yes * | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung Knack U310 | Siemens CT66 / C66 / C65 / C71 / C70 | Google Pixel 2 | Samsung Sway U650 | Sonim XP5s | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Siemens CT66 / C66 / C65 / C71 / C70 | Google Pixel 2 | Samsung Sway U650 | Sonim XP5s |
