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| Phone | Samsung Galaxy Ring / Prevail 2 | Apple iPhone 12 mini | Ericsson R520 | Samsung Galaxy Note9 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
5.4" diag. 19.5 : 9 |
? |
6.4" diag. 18.5 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~477 ppi) AMOLED |
? |
1440 x 2960 pixels (~514 ppi) AMOLED |
| Display Refresh | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 1,750 mAh | 2,227 mAh | ? | 4,000 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | Apple A14 Bionic | ? | 2.8 GHz Qualcomm Snapdragon 845 |
| RAM | 1 GB | 4 GB | ? | 6 GB * |
| Storage | 4 GB | 64 GB * | ? raw hardware | 128 GB * |
| Main Camera | 5 megapixel | 12 megapixel | - | 12 megapixel |
| Wide Camera | - | 12 megapixel | - | - |
| Tele Camera | - | - | - | 12 megapixel |
| Video Capture | 720p HD | 4K UHD | - | 4K UHD |
| Front Camera | 1 megapixel | 12 megapixel | - | 8 megapixel |
| Weight |
3.4 oz (96g) |
4.76 oz (135g) |
4.23 oz (120g) |
7.09 oz (201g) |
| Dimensions |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
5.18" x 2.53" x 0.29" (132 x 64 x 7.4 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
6.37" x 3.01" x 0.35" (162 x 76 x 8.8 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | iOS | (proprietary) | Android |
| Network Bands |
CDMA: 800, 850, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77-C, 78, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | NR (5G) | GPRS | LTE (Cat 18) |
| Features | ||||
| Barometer | - | Yes | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | Yes | - | Yes |
| GPS / Location | n/a | n/a | - | n/a |
| VR-ready | - | - | - | Yes |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - |
| MirrorLink | - | - | - | Yes |
| NFC | - | Yes | - | Yes |
| USB | Yes | Yes | - |
Yes USB Type C |
| UWB | - | Yes | - | - |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | n/a | - | n/a |
| Ringer ID | n/a | n/a | - | n/a |
| Voice Dialing | n/a | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | - | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | n/a |
| Dual-SIM | - | Yes | - | - |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | - | n/a |
| Instant Messaging | n/a | n/a | - | n/a |
| MMS | n/a | n/a | - | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Music Player | n/a | n/a | - | n/a |
| Stereo Speakers | - | Yes | - | Yes |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| Miracast | - | - | - | Yes |
| TV Output | - | Yes | - | Yes |
| Power | ||||
| Fast Charging | - | Yes | - | Yes |
| Wireless Charging | - | Yes | - | Yes |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Galaxy Ring / Prevail 2 | Apple iPhone 12 mini | Ericsson R520 | Samsung Galaxy Note9 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Ring / Prevail 2 | Apple iPhone 12 mini | Ericsson R520 | Samsung Galaxy Note9 |
