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| Phone | Casio G'zOne Boulder | Samsung Galaxy A51 (4G) | UTStarcom CDM-7075 / CDM-220 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
6.5" diag. 20 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~405 ppi) AMOLED |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 810 mAh | 4,000 mAh | 950 mAh |
| Processor | ? | 2.3 GHz Samsung Exynos 9611 | ? |
| RAM | ? | 4 GB | ? |
| Storage | ? raw hardware | 128 GB | ? raw hardware |
| Main Camera | 1 megapixel | 48 megapixel | Yes |
| Wide Camera | - | 12 megapixel | - |
| Tele Camera | - | - | - |
| Video Capture | ? | 4K UHD | - |
| Front Camera | - | 32 megapixel | - |
| Weight |
4.9 oz (139g) |
6.07 oz (172g) |
3.5 oz (99g) |
| Dimensions |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
6.24" x 2.89" x 0.31" (158 x 73 x 7.9 mm) |
3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm) |
| Form Factor | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 30, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO rA | LTE (Cat 12) | 1xRTT |
| Features | |||
| Fingerprint Reader | - |
Yes in-display (optical) |
- |
| Flashlight | Yes | Yes | - |
| GPS / Location | Yes | n/a | Yes |
| 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 | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | - |
| MirrorLink | - | Yes | - |
| NFC | - | Yes | - |
| USB | Yes |
Yes USB Type C |
Yes |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||
| Picture ID | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes |
| Voice Dialing | Yes | n/a | Yes |
| Customization | |||
| Changeable Body Plates | Yes | - | - |
| Custom Graphics | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | - | n/a | Yes |
| Data & Network | |||
| Data Tethering | Yes | n/a | - |
| External Antenna Jack | - | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Messaging | |||
| EMS / Picture Messaging | Yes | n/a | Yes |
| MMS | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | Yes | n/a | - |
| Power | |||
| Fast Charging | - | Yes | - |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| Voice Memo | Yes | n/a | Yes * |
| Software | |||
| BREW | Yes | n/a | Yes * |
| Games | Yes | n/a | Yes |
| Java (J2ME) | - | n/a | Yes * |
| Voice | |||
| HD Voice | - | Yes | - |
| Headset Jack (2.5 mm) | - | n/a | Yes |
| Push-To-Talk | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Casio G'zOne Boulder | Samsung Galaxy A51 (4G) | UTStarcom CDM-7075 / CDM-220 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio G'zOne Boulder | Samsung Galaxy A51 (4G) | UTStarcom CDM-7075 / CDM-220 |
