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| Phone | Sharp Aquos Crystal | Samsung Rugby A837 | Pantech Duo C810 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
5" diag. 16 : 9 |
2" diag. 4 : 3 |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? |
| Battery | 2,040 mAh | 1,000 mAh | 1,320 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 MSM8926 | ? | ARM 920t PXA27x |
| RAM | 1.5 GB | ? | ? |
| Storage | 8 GB | ? raw hardware | ? raw hardware |
| Main Camera | 8 megapixel | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 1080p HD | QCIF (176 x 144) | QVGA (320 x 240) |
| Front Camera | 1 megapixel | - | - |
| Weight |
4.97 oz (141g) |
4.66 oz (132g) |
3.88 oz (110g) |
| Dimensions |
5.16" x 2.6" x 0.4" (131 x 66 x 10.2 mm) |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm) |
| Form Factor | Slab | Clamshell | Slide |
| Platform / OS | Android | (proprietary) | Windows Mobile Standard |
| Network Bands |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | HSDPA 3.6 | HSDPA 1.8 |
| Features | |||
| GPS / Location | n/a | Yes | n/a |
| Ruggedized | - | Yes | - |
| Accessibility | |||
| Adjustable Text Size | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Extra Display | - | Yes | - |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a |
| USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||
| Picture ID | n/a | Yes | n/a |
| Ringer ID | n/a | Yes | n/a |
| Voice Dialing | n/a | - | n/a |
| Customization | |||
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | n/a |
| Real-Music Ringers | n/a | Yes | n/a |
| Data & Network | |||
| Data Tethering | n/a | Yes | n/a |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen |
Yes Capacitive |
- | - |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | n/a | Yes | n/a |
| Instant Messaging | n/a | Yes | n/a |
| MMS | n/a | Yes | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | - |
| Music Player | n/a | Yes | n/a |
| Photo & Video | |||
| Miracast | Yes | - | - |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| To-Do List | n/a | - | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| Games | n/a | Yes | n/a |
| Java (J2ME) | n/a | Yes | n/a |
| Voice | |||
| HD Voice | Yes | - | - |
| Push-To-Talk | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| Sharp Aquos Crystal | Samsung Rugby A837 | Pantech Duo C810 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sharp Aquos Crystal | Samsung Rugby A837 | Pantech Duo C810 |
