Compare Phones
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| Phone | Samsung Galaxy Ring / Prevail 2 | Samsung Rugby A837 | Samsung Galaxy S6 (GSM) | Ericsson T66 | Siemens S66 / S65 / SP65 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
2" diag. 4 : 3 |
5.1" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
? |
132 x 176 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? | ? |
| Battery | 1,750 mAh | 1,000 mAh | 2,550 mAh | ? | 750 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | ? | 2.1 GHz Samsung Exynos 7420 | ? | ? |
| RAM | 1 GB | ? | 3 GB | ? | ? |
| Storage | 4 GB | ? raw hardware | 32 GB * | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | 1 megapixel | 16 megapixel | - | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | QCIF (176 x 144) | 4K UHD | - | QCIF (176 x 144) |
| Front Camera | 1 megapixel | - | 5 megapixel | - | - |
| Weight |
3.4 oz (96g) |
4.66 oz (132g) |
4.87 oz (138g) |
2.08 oz (59g) |
3.46 oz (98g) |
| Dimensions |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
4.29" x 1.89" x 0.71" (109 x 48 x 18 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 800, 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
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| Data Technology | EVDO rA | HSDPA 3.6 | LTE (Cat 6) | - | GPRS |
| Features | |||||
| Fingerprint Reader | - | - | Yes | - | - |
| Flashlight | - | - | Yes | - | - |
| GPS / Location | n/a | Yes | n/a | - | - |
| Ruggedized | - | Yes | - | - | - |
| VR-ready | - | - | Yes | - | - |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | - | - |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | n/a | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | - |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | - | - | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | - | Yes |
| Infrared (IR) | - | - | Yes | - | Yes |
| MirrorLink | - | - | Yes | - | - |
| NFC | - | - | Yes | - | - |
| USB | Yes | Yes |
Yes Micro-USB |
- | 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 | Yes | n/a | - | Yes |
| Ringer ID | n/a | Yes | n/a | - | Yes |
| Voice Dialing | n/a | - | n/a | - | - |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | Yes | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes | Yes |
| Real-Music Ringers | n/a | Yes | n/a | - | - |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | - | Yes |
| WAP / Web Browser | n/a | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | - | Yes |
| Messaging | |||||
| Email Client | n/a | Yes | n/a | - | Yes |
| EMS / Picture Messaging | n/a | - | n/a | Yes | Yes |
| Instant Messaging | n/a | Yes | n/a | - | Yes |
| MMS | n/a | Yes | n/a | - | Yes |
| Text Messaging Templates | n/a | Yes | n/a | Yes | - |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - | - |
| Music Player | n/a | Yes | n/a | - | - |
| Photo & Video | |||||
| DLNA | Yes | - | Yes | - | - |
| Miracast | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Wireless Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | Yes | Yes |
| Calculator | n/a | Yes | n/a | Yes | Yes |
| Calendar | n/a | Yes | n/a | Yes | Yes |
| To-Do List | n/a | - | n/a | Yes | Yes |
| Voice Memo | n/a | Yes | n/a | - | Yes |
| Software | |||||
| Games | n/a | Yes | n/a | Yes | Yes |
| Java (J2ME) | n/a | Yes | n/a | - | Yes |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Push-To-Talk | - | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| Samsung Galaxy Ring / Prevail 2 | Samsung Rugby A837 | Samsung Galaxy S6 (GSM) | Ericsson T66 | Siemens S66 / S65 / SP65 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Ring / Prevail 2 | Samsung Rugby A837 | Samsung Galaxy S6 (GSM) | Ericsson T66 | Siemens S66 / S65 / SP65 |
