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| Phone | Samsung Galaxy Ring / Prevail 2 | Google Pixel 3 | Casio G'zOne Boulder |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
5.5" diag. 18 : 9 |
2" diag. 4 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~439 ppi) AMOLED |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? |
| Battery | 1,750 mAh | 2,915 mAh | 810 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | 2.5 GHz Qualcomm Snapdragon 845 | ? |
| RAM | 1 GB | 4 GB | ? |
| Storage | 4 GB | 64 GB * | ? raw hardware |
| Main Camera | 5 megapixel | 12 megapixel | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | 4K UHD | ? |
| Front Camera | 1 megapixel | 8 megapixel | - |
| Weight |
3.4 oz (96g) |
5.22 oz (148g) |
4.9 oz (139g) |
| Dimensions |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
5.73" x 2.69" x 0.31" (146 x 68 x 7.9 mm) |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | Android | Android | (proprietary) |
| Network Bands |
CDMA: 800, 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 46, 66, 71 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO rA | LTE (Cat 16) | EVDO rA |
| Features | |||
| Barometer | - | Yes | - |
| Fingerprint Reader | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | Yes |
| GPS / Location | n/a | n/a | Yes |
| Ruggedized | - | - | Yes |
| VR-ready | - | Yes | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
Yes |
| Accessibility | |||
| Adjustable Text Size | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | - | Yes | - |
| USB | Yes |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||
| Picture ID | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | Yes |
| Customization | |||
| Changeable Body Plates | - | - | Yes |
| Custom Graphics | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | - |
| Data & Network | |||
| Data Tethering | n/a | n/a | Yes |
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | - | Yes |
| Messaging | |||
| Email Client | n/a | n/a | - |
| EMS / Picture Messaging | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | - |
| MMS | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | - |
| Music Player | n/a | n/a | Yes |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| DLNA | Yes | - | - |
| Power | |||
| Fast Charging | - | Yes | - |
| Wireless Charging | - | Yes | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| BREW | n/a | n/a | Yes |
| Games | n/a | n/a | Yes |
| Voice | |||
| HD Voice | - | Yes | - |
| Push-To-Talk | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Samsung Galaxy Ring / Prevail 2 | Google Pixel 3 | Casio G'zOne Boulder | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Ring / Prevail 2 | Google Pixel 3 | Casio G'zOne Boulder |
