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| Phone | BlackBerry 8820 | Samsung M400 | ZTE Savvy | Samsung SGH-A657 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.4" diag. 4 : 3 |
4" diag. 5 : 3 |
? |
| Display Resolution & Type |
320 x 240 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,400 mAh | 1,000 mAh | 1,650 mAh | 1,420 mAh |
| Processor | ? | 400 MHz Qualcomm QSC6155 | 1 GHz Qualcomm MSM8625 | ? |
| RAM | ? | 128 MB | 768 MB | ? |
| Storage | ? raw hardware | 256 MB | 4 GB | ? raw hardware |
| Main Camera | - | 1 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | WVGA / 480p | - |
| Front Camera | - | - | - | - |
| Weight |
4.73 oz (134g) |
3.7 oz (105g) |
4.43 oz (126g) |
4.34 oz (123g) |
| Dimensions |
4.49" x 2.6" x 0.55" (114 x 66 x 14 mm) |
3.8" x 1.9" x 0.7" (97 x 48 x 17.8 mm) |
4.96" x 2.55" x 0.42" (126 x 65 x 10.7 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | BlackBerry OS | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EDGE | 1xRTT | EVDO rA | HSDPA 3.6 |
| Features | ||||
| Flashlight | - | - | Yes | Yes |
| GPS / Location | n/a | Yes | n/a | Yes |
| Ruggedized | - | - | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | n/a | - |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB |
Yes Mini-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi | Yes | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | Yes |
| Data & Network | ||||
| Data Tethering | n/a | - | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | - | n/a | Yes |
| Instant Messaging | n/a | - | n/a | Yes |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | n/a | - | n/a | Yes |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| To-Do List | n/a | - | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | Yes |
| Voice | ||||
| Push-To-Talk | Yes * | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| BlackBerry 8820 | Samsung M400 | ZTE Savvy | Samsung SGH-A657 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 8820 | Samsung M400 | ZTE Savvy | Samsung SGH-A657 |
