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| Phone | Casio Exilim C721 | Samsung Galaxy Note 3 (CDMA) | Samsung Rugby A837 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.3" diag. 4 : 3 |
5.7" diag. 16 : 9 |
2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~174 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~386 ppi) AMOLED |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 920 mAh | 3,200 mAh | 1,000 mAh |
| Processor | ? | 2.3 GHz Qualcomm Snapdragon 800 | ? |
| RAM | ? | 3 GB | ? |
| Storage | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 5 megapixel | 13 megapixel | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QVGA (320 x 240) | 4K UHD | QCIF (176 x 144) |
| Front Camera | - | 2 megapixel | - |
| Weight |
4.48 oz (127g) |
5.93 oz (168g) |
4.66 oz (132g) |
| Dimensions |
4.06" x 1.97" x 0.78" (103 x 50 x 19.9 mm) |
5.95" x 3.12" x 0.33" (151 x 79 x 8.4 mm) |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
| Form Factor | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EVDO rA | LTE (Cat 4) | HSDPA 3.6 |
| Features | |||
| Flashlight | Yes | Yes | - |
| GPS / Location | Yes | n/a | Yes |
| Ruggedized | Yes | - | Yes |
| Water-Resistant | Yes | - | - |
| Accessibility | |||
| Adjustable Text Size | Yes | n/a | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, 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 | Yes |
| Infrared (IR) | - | Yes | - |
| Mobile Hotspot | - | n/a | - |
| NFC | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
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 | - |
| Customization | |||
| Custom Graphics | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | Yes | n/a | Yes |
| Data & Network | |||
| Data Tethering | Yes | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Stylus | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | - | n/a | Yes |
| EMS / Picture Messaging | Yes | n/a | - |
| Instant 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 | Yes |
| Photo & Video | |||
| DLNA | - | Yes | - |
| Miracast | - | Yes | - |
| TV Output | - | Yes | - |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| To-Do List | Yes | n/a | - |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| BREW | Yes | n/a | - |
| Games | Yes | n/a | Yes |
| Java (J2ME) | - | n/a | Yes |
| Voice | |||
| HD Voice | - | Yes * | - |
| Push-To-Talk | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Casio Exilim C721 | Samsung Galaxy Note 3 (CDMA) | Samsung Rugby A837 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio Exilim C721 | Samsung Galaxy Note 3 (CDMA) | Samsung Rugby A837 |
