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| Phone | Apple iPhone 4 (GSM) | Kyocera DuraXV Extreme / Extreme+ | Samsung Knack U310 | Cal-Comp EZ | Sonim XP3 |
| Current U.S. Carriers | (none) | Verizon | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
2.6" diag. 4 : 3 |
2.2" diag. 4 : 3 |
? |
2.6" diag. 4 : 3 |
| Display Resolution & Type |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | ? | ? |
| Battery | ? | 1,770 mAh | 1,000 mAh | 800 mAh | 1,500 mAh |
| Processor | Apple A4 | 2 GHz MediaTek Helio A22 (6761) | ? | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | ? | 2 GB | ? | ? | 1 GB |
| Storage | 32 GB * | 16 GB | ? raw hardware | ? raw hardware | 8 GB |
| Main Camera | 5 megapixel | 5 megapixel | - | - | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | 720p HD | - | - | ? |
| Front Camera | Yes | - | - | - | - |
| Weight |
4.8 oz (136g) |
6.8 oz (193g) |
3.63 oz (103g) |
2.47 oz (70g) |
6.88 oz (195g) |
| Dimensions |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
4.36" x 2.22" x 1.07" (111 x 56 x 27.2 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
4.4" x 2.3" x 1.1" (112 x 58 x 27.9 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slab | Clamshell |
| Platform / OS | iOS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13 WCDMA: 1, 2, 5 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 8, 12, 13, 14, 25, 26, 38, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA 7.2 | LTE (Cat 4) | - | 1xRTT | LTE (Cat 4) |
| Features | |||||
| Barometer | - | Yes * | - | - | Yes |
| Flashlight | - | Yes | - | - | Yes |
| GPS / Location | n/a | Yes | Yes | Yes | Yes |
| Ruggedized | - | Yes | - | - | Yes |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Adjustable Text Size | n/a | Yes | Yes | - | Yes |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | Yes | Yes | - | Yes |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | - | Yes |
| Mobile Hotspot | n/a | Yes | - | - | Yes |
| USB | Yes |
Yes USB Type C |
- |
Yes Mini-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
Yes 4 (802.11 a,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | Yes | - | - | - |
| Ringer ID | n/a | Yes | - | - | Yes |
| Voice Dialing | n/a | Yes | Yes | - | Yes |
| Customization | |||||
| Custom Graphics | n/a | Yes | - | - | Yes |
| Custom Ringtones | n/a | Yes | - | - | Yes |
| Real-Music Ringers | n/a | Yes | - | - | - |
| Data & Network | |||||
| Data Tethering | n/a | Yes | - | - | Yes |
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | n/a | Yes | - | - | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | 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 | n/a | - | Yes | - | - |
| MMS | n/a | Yes | - | - | Yes |
| Text Messaging Templates | n/a | Yes | - | Yes | Yes |
| Music | |||||
| FM Radio | - | Yes | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | - | - | Yes |
| Music Player | n/a | Yes | - | - | Yes |
| Photo & Video | |||||
| TV Output | Yes | - | - | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | Yes | Yes |
| To-Do List | n/a | - | - | Yes | - |
| Voice Memo | n/a | Yes | - | Yes * | Yes |
| Software | |||||
| Games | n/a | - | - | - | - |
| Voice | |||||
| HD Voice | - | Yes | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | - | Yes | Yes | - |
| Push-To-Talk | - | Yes | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| * Some versions only | |||||
| Apple iPhone 4 (GSM) | Kyocera DuraXV Extreme / Extreme+ | Samsung Knack U310 | Cal-Comp EZ | Sonim XP3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Apple iPhone 4 (GSM) | Kyocera DuraXV Extreme / Extreme+ | Samsung Knack U310 | Cal-Comp EZ | Sonim XP3 |
