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| Phone | Casio G'zOne Boulder | Samsung SCH-A220 | LG K40 / Harmony 3 | Samsung Galaxy J2 / J2 Pure / J2 Dash |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
? |
5.7" diag. 18 : 9 |
5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
720 x 1440 pixels (~282 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | 810 mAh | ? | 3,000 mAh | 2,600 mAh |
| Processor | ? | ? | 1.8 GHz Qualcomm Snapdragon 450 | 1.4 GHz Samsung Exynos 7570 |
| RAM | ? | ? | 2 GB | 2 GB |
| Storage | ? raw hardware | ? raw hardware | 32 GB | 16 GB |
| Main Camera | 1 megapixel | - | 13 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | 1080p HD | 1080p HD |
| Front Camera | - | - | 5 megapixel | 5 megapixel |
| Weight |
4.9 oz (139g) |
3.25 oz (92g) |
5.11 oz (145g) |
5.43 oz (154g) |
| Dimensions |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
2.87" x 2.09" x 0.94" (73 x 53 x 23.9 mm) |
6.02" x 2.83" x 0.32" (153 x 72 x 8.1 mm) |
5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EVDO rA | 1xRTT | LTE (Cat 6) | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | Yes | - | Yes | Yes |
| GPS / Location | Yes | Yes | n/a | n/a |
| Ruggedized | Yes | - | - | - |
| Water-Resistant | Yes | - | - | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| NFC | - | - | Yes * | - |
| USB | Yes | - |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | - | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | Yes | n/a | n/a |
| Customization | ||||
| Changeable Body Plates | Yes | - | - | - |
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| EMS / Picture Messaging | Yes | - | n/a | n/a |
| MMS | Yes | - | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | Yes | - | n/a | n/a |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | - | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| BREW | Yes | - | n/a | n/a |
| Games | Yes | - | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | - | Yes | n/a | n/a |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | - | Yes | Yes |
| * Some versions only | ||||
| Casio G'zOne Boulder | Samsung SCH-A220 | LG K40 / Harmony 3 | Samsung Galaxy J2 / J2 Pure / J2 Dash | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio G'zOne Boulder | Samsung SCH-A220 | LG K40 / Harmony 3 | Samsung Galaxy J2 / J2 Pure / J2 Dash |
