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| Phone | Samsung SGH-E640 | BlackBerry 7750 | Samsung Impression SGH-A877 | Kyocera Jet / Angel |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
3.2" diag. 5 : 3 |
? |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
240 x 400 pixels (~146 ppi) AMOLED |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | ? | 1,000 mAh | 920 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | - | 3 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | QVGA (320 x 240) | ? |
| Front Camera | - | - | - | - |
| Weight |
3.17 oz (90g) |
5.01 oz (142g) |
5.2 oz (147g) |
3.88 oz (110g) |
| Dimensions |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.48" x 2.28" x 0.64" (114 x 58 x 16.3 mm) |
3.89" x 1.93" x 0.86" (99 x 49 x 21.8 mm) |
| Form Factor | Clamshell | Slab | Slab | Slide |
| Platform / OS | (proprietary) | BlackBerry OS | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | 1xRTT | HSDPA 3.6 | EVDO r0 |
| Features | ||||
| GPS / Location | - | n/a | Yes | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | Yes | - |
| Multiple Languages | Yes | n/a | Yes | - |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | - |
| USB | Yes | Yes | Yes | Yes |
| 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 | Yes | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | Yes | - |
| EMS / Picture Messaging | Yes | n/a | - | Yes |
| Instant Messaging | - | n/a | Yes | - |
| MMS | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | - |
| Music | ||||
| Music Player | Yes | n/a | Yes | 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 | Yes | - |
| 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) | - | n/a | - | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | - | Yes | Yes |
| Samsung SGH-E640 | BlackBerry 7750 | Samsung Impression SGH-A877 | Kyocera Jet / Angel | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-E640 | BlackBerry 7750 | Samsung Impression SGH-A877 | Kyocera Jet / Angel |
