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| Phone | Casio Exilim C721 | Sony Ericsson T68i | Motorola i275 | Coolpad Quattro 4G | HTC Rhyme |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.3" diag. 4 : 3 |
? | ? |
4" diag. 5 : 3 |
3.7" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~174 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
128 x 128 pixels LCD (Color) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | 60 Hz |
| Battery | 920 mAh | 700 mAh | 750 mAh | 1,600 mAh | 1,600 mAh |
| Processor | ? | ? | ? | ? | 1 GHz Qualcomm Snapdragon S2 MSM8655 |
| RAM | ? | ? | ? | ? | 768 MB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 512 MB | 4 GB |
| Main Camera | 5 megapixel | - | Yes | 3 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | - | - | VGA (640 x 480) | 720p HD |
| Front Camera | - | - | - | Yes | Yes |
| Weight |
4.48 oz (127g) |
2.96 oz (84g) |
4.6 oz (130g) |
3.31 oz (94g) |
4.77 oz (135g) |
| Dimensions |
4.06" x 1.97" x 0.78" (103 x 50 x 19.9 mm) |
3.94" x 1.89" x 0.79" (100 x 48 x 20.1 mm) |
4.8" x 1.93" x 0.98" (122 x 49 x 24.9 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
4.6" x 2.4" x 0.4" (117 x 61 x 10.2 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
iDEN: 800 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO rA | GPRS | - | LTE (Cat 3) | EVDO rA |
| Features | |||||
| Flashlight | Yes | - | - | - | - |
| GPS / Location | Yes | - | 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 | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
- |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - | - |
| Mobile Hotspot | - | - | - | n/a | n/a |
| USB | Yes | - | - | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - | Yes |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | - | n/a | n/a |
| Ringer ID | Yes | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | Yes | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a | n/a |
| Real-Music Ringers | Yes | - | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | Yes | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - | Yes | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | Yes | - | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | - | n/a | n/a |
| Instant Messaging | Yes | - | - | n/a | n/a |
| MMS | Yes | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Music Player | Yes | - | - | n/a | n/a |
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | - | n/a | n/a |
| Calculator | Yes | Yes | - | n/a | n/a |
| Calendar | Yes | Yes | Yes | n/a | n/a |
| To-Do List | Yes | Yes | - | n/a | n/a |
| Voice Memo | Yes | Yes | Yes | n/a | n/a |
| Software | |||||
| BREW | Yes | - | - | n/a | n/a |
| Games | Yes | Yes | Yes | n/a | n/a |
| Java (J2ME) | - | - | Yes | n/a | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | - | - | Yes | n/a | n/a |
| Push-To-Talk | - | - | Yes | - | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| Casio Exilim C721 | Sony Ericsson T68i | Motorola i275 | Coolpad Quattro 4G | HTC Rhyme | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio Exilim C721 | Sony Ericsson T68i | Motorola i275 | Coolpad Quattro 4G | HTC Rhyme |
