Compare Phones
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| Phone | Samsung SCH-A870 / Siren | HTC Shadow | Samsung Impression SGH-A877 | BlackBerry 7750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.6" diag. 4 : 3 |
3.2" diag. 5 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
240 x 400 pixels (~146 ppi) AMOLED |
240 x 240 pixels LCD (Color) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,000 mAh | 920 mAh | 1,000 mAh | ? |
| Processor | ? | 200 MHz OMAP 850 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 2 megapixel | 3 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | QVGA (320 x 240) | - |
| Front Camera | - | - | - | - |
| Weight |
3.4 oz (96g) |
5.29 oz (150g) |
5.2 oz (147g) |
5.01 oz (142g) |
| Dimensions |
3.6" x 1.8" x 0.85" (91 x 46 x 21.6 mm) |
4.06" x 2.09" x 0.59" (103 x 53 x 15 mm) |
4.48" x 2.28" x 0.64" (114 x 58 x 16.3 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
| Form Factor | Clamshell | Slide | Slab | Slab |
| Platform / OS | (proprietary) | Windows Mobile Standard | (proprietary) | BlackBerry OS |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | EDGE | HSDPA 3.6 | 1xRTT |
| Features | ||||
| GPS / Location | Yes | n/a | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | - | Yes | - |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
- |
| USB | - |
Yes Mini-USB |
Yes | Yes |
| Wi-Fi | - |
Yes 802.11 b,g |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a |
| Ringer ID | - | n/a | Yes | n/a |
| Voice Dialing | Yes | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | Yes |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | Yes | n/a |
| EMS / Picture Messaging | Yes | n/a | - | n/a |
| Instant Messaging | - | n/a | Yes | n/a |
| MMS | Yes | n/a | Yes | n/a |
| Text Messaging Templates | - | n/a | Yes | n/a |
| Music | ||||
| Music Player | - | n/a | Yes | n/a |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | - | n/a | Yes | n/a |
| Voice Memo | - | n/a | Yes | n/a |
| Software | ||||
| BREW | Yes | n/a | - | n/a |
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | - | n/a | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | - | n/a |
| Speaker Phone | Yes | Yes | Yes | - |
| Samsung SCH-A870 / Siren | HTC Shadow | Samsung Impression SGH-A877 | BlackBerry 7750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A870 / Siren | HTC Shadow | Samsung Impression SGH-A877 | BlackBerry 7750 |
