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| Phone | Samsung PM-A840 | BlackBerry Storm2 9550 | NEC Terrain | Samsung Convoy 3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.3" diag. 4 : 3 |
3.1" diag. 4 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
360 x 480 pixels (~185 ppi) LCD (TFT/TFD) |
480 x 640 pixels (~258 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | 1,400 mAh | 1,900 mAh | 1,300 mAh |
| Processor | ? | ? | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | 480 MHz Qualcomm QSC6185 |
| RAM | ? | ? | 1 GB | 256 MB |
| Storage | ? raw hardware | ? raw hardware | 8 GB | 512 MB |
| Main Camera | Yes | 3 megapixel | 5 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | 720p HD | QVGA (320 x 240) |
| Front Camera | - | - | Yes | - |
| Weight |
3.28 oz (93g) |
5.64 oz (160g) |
6.06 oz (172g) |
4.4 oz (125g) |
| Dimensions |
3.54" x 1.85" x 0.94" (90 x 47 x 23.9 mm) |
4.43" x 2.45" x 0.55" (113 x 62 x 14 mm) |
5.02" x 2.54" x 0.57" (128 x 65 x 14.5 mm) |
4.07" x 2.04" x 0.82" (103 x 52 x 20.8 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | BlackBerry OS | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | EVDO rA | LTE (Cat 3) | EVDO rA |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | n/a | n/a | Yes |
| Ruggedized | - | - | Yes | Yes |
| Water-Resistant | - | - |
Yes IPX7 (snorkeling) |
- |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | Yes |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | Yes |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | - |
| NFC | - | - | Yes | - |
| USB | - | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | n/a | n/a | Yes |
| Voice Dialing | Yes | n/a | n/a | Yes |
| 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 | Yes |
| 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 | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | - |
| MMS | - | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Music Player | - | n/a | n/a | Yes |
| Stereo Speakers | - | - | - | 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 | Yes |
| Software | ||||
| BREW | - | n/a | n/a | Yes |
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | - |
| Push-To-Talk | - | - | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung PM-A840 | BlackBerry Storm2 9550 | NEC Terrain | Samsung Convoy 3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung PM-A840 | BlackBerry Storm2 9550 | NEC Terrain | Samsung Convoy 3 |
