Compare Phones
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| Phone | Casio G'zOne Rock | Samsung SGH-X640 | Samsung SGH-N625 | HTC Shadow | Sony Ericsson T68i | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | 2.1" diag. 4 : 3 | ? | ? | 2.6" diag. 4 : 3 | ? | 
| Display Resolution & Type | 240 x 320 pixels (~190 ppi) LCD (TFT/TFD) | 128 x 160 pixels LCD (TFT/TFD) | 128 x 64 pixels | 240 x 320 pixels (~154 ppi) LCD (TFT/TFD) | 101 x 80 pixels LCD (STN) | 
| Display Refresh | ? | ? | ? | ? | ? | 
| Battery | 1,150 mAh | 800 mAh | ? | 920 mAh | 700 mAh | 
| Processor | ? | ? | ? | 200 MHz OMAP 850 | ? | 
| RAM | ? | ? | ? | ? | ? | 
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 
| Main Camera | 2 megapixel | Yes | - | 2 megapixel | - | 
| Wide Camera | - | - | - | - | - | 
| Tele Camera | - | - | - | - | - | 
| Video Capture | ? | - | - | ? | - | 
| Front Camera | - | - | - | - | - | 
| Weight | 4.4 oz (125g) | 3 oz (85g) | 2.93 oz (83g) | 5.29 oz (150g) | 2.96 oz (84g) | 
| Dimensions | 4.1" x 2" x 0.9" (104 x 51 x 22.9 mm) | 3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) | 3.94" x 1.69" x 0.78" (100 x 43 x 19.8 mm) | 4.06" x 2.09" x 0.59" (103 x 53 x 15 mm) | 3.94" x 1.89" x 0.79" (100 x 48 x 20.1 mm) | 
| Form Factor | Clamshell | Clamshell | Slab | Slide | Slab | 
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Windows Mobile Standard | (proprietary) | 
| Network Bands | CDMA: 850, 1900 | GSM: 900, 1800, 1900 | GSM: 900, 1900 | GSM: 850, 900, 1800, 1900 | GSM: 900, 1800, 1900 | 
| Data Technology | EVDO rA | GPRS | - | EDGE | GPRS | 
| Features | |||||
| Flashlight | Yes | - | - | - | - | 
| GPS / Location | Yes | - | - | n/a | - | 
| Ruggedized | Yes | - | - | - | - | 
| Water-Resistant | Yes | - | - | - | - | 
| Accessibility | |||||
| Hearing Aid Compatible | Yes | - | - | - | - | 
| Multiple Languages | Yes | Yes | Yes | n/a | Yes | 
| TTY/TDD (Digital) | Yes | - | - | - | - | 
| Alerts | |||||
| Extra Display | Yes | - | - | - | - | 
| Ringer Profiles | - | - | - | Yes | Yes | 
| Connectivity | |||||
| Bluetooth | Yes Classic Audio | - | - | Yes Classic Audio | Yes Classic Audio | 
| Infrared (IR) | - | - | - | - | Yes | 
| USB | Yes | - | - | Yes Mini-USB | - | 
| Wi-Fi | - | - | - | Yes 802.11 b,g | - | 
| Contacts | |||||
| Picture ID | Yes | Yes | - | n/a | Yes | 
| Ringer ID | Yes | Yes | Yes | n/a | Yes | 
| Voice Dialing | Yes | - | Yes | n/a | Yes | 
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | Yes | 
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes | 
| Real-Music Ringers | Yes | - | - | n/a | - | 
| Data & Network | |||||
| Data Tethering | Yes | - | - | n/a | Yes | 
| WAP / Web Browser | Yes | Yes | Yes | n/a | Yes | 
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | Yes | 
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Text Keyboard, Hardware | - | - | - | Yes | - | 
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | - | 
| Messaging | |||||
| Email Client | Yes | - | - | n/a | Yes | 
| EMS / Picture Messaging | - | Yes | - | n/a | Yes | 
| Instant Messaging | Yes | - | - | n/a | - | 
| MMS | Yes | Yes | Yes | n/a | Yes | 
| Text Messaging Templates | Yes | Yes | Yes | n/a | Yes | 
| Music | |||||
| Music Player | Yes | - | - | n/a | - | 
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | Yes | 
| Calculator | Yes | Yes | Yes | n/a | Yes | 
| Calendar | Yes | Yes | Yes | n/a | Yes | 
| To-Do List | - | Yes | Yes | n/a | Yes | 
| Voice Memo | Yes | Yes | Yes | n/a | Yes | 
| Software | |||||
| BREW | Yes | - | - | n/a | - | 
| Games | Yes | Yes | Yes | n/a | Yes | 
| Java (J2ME) | - | Yes | - | n/a | - | 
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | Yes | Yes | n/a | - | 
| Push-To-Talk | Yes | - | - | - | - | 
| Speaker Phone | Yes | Yes | - | Yes | - | 
| Casio G'zOne Rock | Samsung SGH-X640 | Samsung SGH-N625 | HTC Shadow | Sony Ericsson T68i | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  |  | |
| Phone | Casio G'zOne Rock | Samsung SGH-X640 | Samsung SGH-N625 | HTC Shadow | Sony Ericsson T68i | 
 






