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| Phone | Casio G'zOne Boulder | Samsung Galaxy Z Fold2 | Nokia Lumia 920 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
7.6" diag. 4 : 3 |
4.5" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
1768 x 2208 pixels (~372 ppi) AMOLED |
768 x 1280 pixels (~332 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 810 mAh | 4,500 mAh | 2,000 mAh |
| Processor | ? | 3.1 GHz Qualcomm Snapdragon 865+ | 1.5 GHz Qualcomm Snapdragon S4 |
| RAM | ? | 12 GB | 1 GB |
| Storage | ? raw hardware | 256 GB | 32 GB |
| Main Camera | 1 megapixel | 12 megapixel | 8 megapixel |
| Wide Camera | - | 12 megapixel | - |
| Tele Camera | - | 12 megapixel | - |
| Video Capture | ? | 4K UHD | 1080p HD |
| Front Camera | - | 10 megapixel | 1 megapixel |
| Weight |
4.9 oz (139g) |
9.95 oz (282g) |
6.53 oz (185g) |
| Dimensions |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
6.27" x 2.68" x 0.66" (159 x 68 x 16.8 mm) |
5.12" x 2.79" x 0.42" (130 x 71 x 10.7 mm) |
| Form Factor | Clamshell | Foldable | Slab |
| Platform / OS | (proprietary) | Android | Windows |
| Network Bands |
CDMA: 850, 1900 |
5G: 2, 5, 25, 41, 66, 71, 260, 261 4G LTE: 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | NR (5G) | LTE (Cat 3) |
| Features | |||
| Barometer | - | Yes | - |
| Fingerprint Reader | - |
Yes stand-alone |
- |
| Flashlight | Yes | Yes | - |
| GPS / Location | Yes | n/a | n/a |
| Ruggedized | Yes | - | - |
| Water-Resistant | Yes | - | - |
| Accessibility | |||
| Adjustable Text Size | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a |
| NFC | - | Yes | Yes |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
| UWB | - | Yes | - |
| Wi-Fi | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
| Contacts | |||
| Picture ID | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a |
| Customization | |||
| Changeable Body Plates | Yes | - | - |
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a |
| Data & Network | |||
| Data Tethering | Yes | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | - | - |
| Messaging | |||
| Email Client | - | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a |
| Instant Messaging | - | n/a | n/a |
| MMS | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | - | Yes |
| Music Player | Yes | n/a | n/a |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Power | |||
| Fast Charging | - | Yes | - |
| Wireless Charging | - | Yes | Yes |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | - | n/a | n/a |
| Voice Memo | Yes | n/a | n/a |
| Software | |||
| BREW | Yes | n/a | n/a |
| Games | Yes | n/a | n/a |
| Voice | |||
| HD Voice | - | Yes | - |
| Push-To-Talk | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes |
| Casio G'zOne Boulder | Samsung Galaxy Z Fold2 | Nokia Lumia 920 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio G'zOne Boulder | Samsung Galaxy Z Fold2 | Nokia Lumia 920 |
