Compare Phones
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| Phone | Casio G'zOne Rock | Samsung SGH-X640 | ZTE Groove | Samsung Ace SPH-i325 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
? |
3.2" diag. 5 : 3 |
2.3" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~190 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~174 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,150 mAh | 800 mAh | 1,500 mAh | 1,300 mAh |
| Processor | ? | ? | 800 MHz Qualcomm MSM7627A | 416 MHz PXA270 |
| RAM | ? | ? | 512 MB | ? |
| Storage | ? raw hardware | ? raw hardware | 1 GB | ? raw hardware |
| Main Camera | 2 megapixel | Yes | 3 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | 720p HD | QVGA (320 x 240) |
| Front Camera | - | - | Yes | - |
| Weight |
4.4 oz (125g) |
3 oz (85g) |
4.5 oz (128g) |
3.9 oz (111g) |
| 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) |
4.67" x 2.46" x 0.55" (119 x 62 x 14 mm) |
4.65" x 2.32" x 0.46" (118 x 59 x 11.7 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Windows Mobile Standard |
| Network Bands |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 GSM: 900, 1800 |
| Data Technology | EVDO rA | GPRS | EVDO rA | EVDO r0 |
| Features | ||||
| Flashlight | Yes | - | - | - |
| GPS / Location | Yes | - | n/a | n/a |
| Ruggedized | Yes | - | - | - |
| Water-Resistant | Yes | - | - | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | 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 | - |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - | Yes | - |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | Yes | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | - | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | - | n/a | n/a |
| EMS / Picture Messaging | - | Yes | n/a | n/a |
| Instant Messaging | Yes | - | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | Yes | - | n/a | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | - | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| BREW | Yes | - | n/a | n/a |
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | - | Yes | n/a | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Casio G'zOne Rock | Samsung SGH-X640 | ZTE Groove | Samsung Ace SPH-i325 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio G'zOne Rock | Samsung SGH-X640 | ZTE Groove | Samsung Ace SPH-i325 |
