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| Phone | Samsung SGH-X820 | BlackBerry 7750 | LG AX-490 | Samsung SGH-E760 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
| Display Resolution & Type |
220 x 176 pixels LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 650 mAh | ? | 1,100 mAh | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | - | Yes | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | - | ? |
| Front Camera | - | - | - | - |
| Weight |
2.33 oz (66g) |
5.01 oz (142g) |
3.79 oz (107g) |
3.1 oz (88g) |
| Dimensions |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
3.46" x 1.73" x 0.91" (88 x 44 x 23.1 mm) |
| Form Factor | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | BlackBerry OS | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
| Data Technology | EDGE | 1xRTT | 1xRTT | GPRS |
| Features | ||||
| GPS / Location | - | n/a | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | Yes |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| USB | Yes | Yes | Yes | Yes |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | Yes | 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 | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | Yes |
| External Antenna Jack | Yes | n/a | - | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | - | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | Yes | n/a | - | Yes |
| EMS / Picture Messaging | Yes | n/a | - | Yes |
| MMS | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| Music Player | - | n/a | - | Yes |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| TV Output | 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) | - | n/a | Yes | - |
| Speaker Phone | Yes | - | Yes | Yes |
| Samsung SGH-X820 | BlackBerry 7750 | LG AX-490 | Samsung SGH-E760 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X820 | BlackBerry 7750 | LG AX-490 | Samsung SGH-E760 |
