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| Phone | Samsung SGH-X640 | BlackBerry Curve 8300 | BlackBerry 7750 | Motorola EM330 / EM28 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
1.8" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | ? | ? | 940 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 2 megapixel | - | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | - | ? |
| Front Camera | - | - | - | - |
| Weight |
3 oz (85g) |
3.92 oz (111g) |
5.01 oz (142g) |
3.17 oz (90g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.2" x 2.36" x 0.61" (107 x 60 x 15.5 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.71" x 1.95" x 0.68" (94 x 50 x 17.4 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | BlackBerry OS | BlackBerry OS | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 850, 1800, 1900 |
| Data Technology | GPRS | EDGE | 1xRTT | EDGE |
| Features | ||||
| GPS / Location | - | n/a | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | - |
| Hearing Aid Compatible | - | - | - |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| USB | - | Yes | Yes |
Yes Mini-USB |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | - |
| Ringer ID | Yes | n/a | n/a | - |
| Voice Dialing | - | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | - |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | - | n/a | n/a | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | - |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | - |
| Push-To-Talk | - | Yes * | - | - |
| Speaker Phone | Yes | Yes | - | Yes |
| * Some versions only | ||||
| Samsung SGH-X640 | BlackBerry Curve 8300 | BlackBerry 7750 | Motorola EM330 / EM28 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | BlackBerry Curve 8300 | BlackBerry 7750 | Motorola EM330 / EM28 |
