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| Phone | Casio Exilim C721 | Samsung Galaxy Note 3 (CDMA) | Apple iPhone 4 (CDMA) | Sony Ericsson T68i |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.3" diag. 4 : 3 |
5.7" diag. 16 : 9 |
3.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
240 x 320 pixels (~174 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~386 ppi) AMOLED |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 920 mAh | 3,200 mAh | ? | 700 mAh |
| Processor | ? | 2.3 GHz Qualcomm Snapdragon 800 | ? | ? |
| RAM | ? | 3 GB | ? | ? |
| Storage | ? raw hardware | 32 GB | 8 GB * | ? raw hardware |
| Main Camera | 5 megapixel | 13 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 4K UHD | 720p HD | - |
| Front Camera | - | 2 megapixel | Yes | - |
| Weight |
4.48 oz (127g) |
5.93 oz (168g) |
4.8 oz (136g) |
2.96 oz (84g) |
| 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) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
3.94" x 1.89" x 0.79" (100 x 48 x 20.1 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | iOS | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | EVDO rA | LTE (Cat 4) | EVDO rA | GPRS |
| Features | ||||
| Flashlight | Yes | Yes | - | - |
| GPS / Location | Yes | n/a | n/a | - |
| Ruggedized | Yes | - | - | - |
| Water-Resistant | Yes | - | - | - |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | n/a | - |
| Hearing Aid Compatible | Yes | Yes | Yes | - |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | Yes |
| Mobile Hotspot | - | n/a | n/a | - |
| NFC | - | Yes | - | - |
| USB | Yes |
Yes Micro-USB |
Yes | - |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | n/a | n/a | Yes |
| Voice Dialing | Yes | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | Yes | - | - |
| Touch Screen | - | Yes | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | - | n/a | n/a | Yes |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes |
| Instant Messaging | Yes | n/a | n/a | - |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | Yes | n/a | n/a | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Miracast | - | Yes | - | - |
| TV Output | - | Yes | Yes | - |
| Video Calling | - | n/a | n/a | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | Yes |
| Software | ||||
| BREW | Yes | n/a | n/a | - |
| Games | Yes | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | - | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| Casio Exilim C721 | Samsung Galaxy Note 3 (CDMA) | Apple iPhone 4 (CDMA) | Sony Ericsson T68i | |
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) | Apple iPhone 4 (CDMA) | Sony Ericsson T68i |
