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Phone | Samsung SCH-A645 | Samsung SGH-X640 | BlackBerry 7750 |
Current U.S. Carriers | (none) | (none) | (none) |
Global Availability | Released | Released | Released |
Specifications | |||
---|---|---|---|
Display Size | ? | ? | ? |
Display Resolution & Type |
128 x 160 pixels LCD (STN) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
Display Refresh | ? | ? | ? |
Battery | 1,000 mAh | 800 mAh | ? |
Processor | ? | ? | ? |
RAM | ? | ? | ? |
Storage | ? raw hardware | ? raw hardware | ? raw hardware |
Main Camera | - | Yes | - |
Wide Camera | - | - | - |
Tele Camera | - | - | - |
Video Capture | - | - | - |
Front Camera | - | - | - |
Weight |
3.2 oz (91g) |
3 oz (85g) |
5.01 oz (142g) |
Dimensions |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
Form Factor | Clamshell | Clamshell | Slab |
Platform / OS | (proprietary) | (proprietary) | BlackBerry OS |
Network Bands |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
Data Technology | 1xRTT | GPRS | 1xRTT |
Features | |||
GPS / Location | Yes | - | n/a |
Accessibility | |||
Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - |
Multiple Languages | Yes | Yes | n/a |
TTY/TDD (Digital) | Yes | - | Yes |
Alerts | |||
Extra Display | Yes | - | - |
Ringer Profiles | - | - | Yes |
Connectivity | |||
USB | - | - | Yes |
Contacts | |||
Picture ID | Yes | Yes | n/a |
Ringer ID | - | Yes | n/a |
Voice Dialing | Yes | - | n/a |
Customization | |||
Custom Graphics | Yes | Yes | n/a |
Custom Ringtones | Yes | Yes | n/a |
Data & Network | |||
WAP / Web Browser | Yes * | Yes | n/a |
Input | |||
Predictive Text Entry | Yes | Yes | n/a |
Side Keys | Yes | Yes | Yes |
Text Keyboard, Hardware | - | - | Yes |
Messaging | |||
Email Client | - | - | n/a |
EMS / Picture Messaging | Yes | Yes | n/a |
MMS | - | Yes | n/a |
Text Messaging Templates | Yes | Yes | n/a |
Productivity | |||
Alarm | Yes | Yes | n/a |
Calculator | Yes | Yes | n/a |
Calendar | Yes | Yes | n/a |
To-Do List | Yes | Yes | n/a |
Voice Memo | Yes | Yes | n/a |
Software | |||
BREW | Yes * | - | n/a |
Games | Yes * | Yes | n/a |
Java (J2ME) | - | Yes | n/a |
Voice | |||
Headset Jack (2.5 mm) | Yes | Yes | n/a |
Speaker Phone | Yes | Yes | - |
* Some versions only | |||
Samsung SCH-A645 | Samsung SGH-X640 | BlackBerry 7750 |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
Phone | Samsung SCH-A645 | Samsung SGH-X640 | BlackBerry 7750 |