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| Phone | Samsung SGH-X640 | Samsung SPH-I300 | Samsung Wafer R510 | ZTE Z222 / Z223 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
1.9" diag. 4 : 3 |
2" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
160 x 240 pixels LCD (Color) |
220 x 176 pixels (~148 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | ? | 800 mAh | 900 mAh |
| Processor | ? | ? | ? | QSC6270 |
| RAM | ? | ? | ? | 64 MB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 128 MB |
| Main Camera | Yes | - | 1 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | ? | ? |
| Front Camera | - | - | - | - |
| Weight |
3 oz (85g) |
6 oz (170g) |
2.47 oz (70g) |
3.24 oz (92g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.9" x 2.28" x 0.82" (124 x 58 x 20.8 mm) |
4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Palm OS | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 1900 AMPS: 850 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
| Data Technology | GPRS | - | EVDO r0 | HSDPA 3.6 |
| Features | ||||
| GPS / Location | - | n/a | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| USB | - | - | - |
Yes Micro-USB |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | - | Yes |
| Voice Dialing | - | n/a | Yes | - |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | - | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | - | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | - | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | - | Yes |
| EMS / Picture Messaging | Yes | n/a | - | - |
| MMS | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | - | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes * |
| Music Player | - | n/a | Yes | - |
| Stereo Speakers | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | Yes | n/a | - | - |
| Voice Memo | Yes | n/a | Yes | Yes |
| Software | ||||
| BREW | - | n/a | Yes | - |
| Games | Yes | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | - | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SGH-X640 | Samsung SPH-I300 | Samsung Wafer R510 | ZTE Z222 / Z223 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SPH-I300 | Samsung Wafer R510 | ZTE Z222 / Z223 |
