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| Phone | Samsung SCH-A990 | Motorola Defy (2010) | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Knack U310 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.6" diag. 16 : 9 |
? |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
480 x 854 pixels (~272 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 1,000 mAh | 1,540 mAh | 820 mAh | 1,000 mAh |
| Processor | ? | 800 MHz TI OMAP3610 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | Yes | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | ? | ? | - |
| Front Camera | - | - | - | - |
| Weight |
4.4 oz (125g) |
4.16 oz (118g) |
4.23 oz (120g) |
3.63 oz (103g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm) |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO r0 | HSPA 7.2 | EDGE | - |
| Features | ||||
| Flashlight | Yes | - | - | - |
| GPS / Location | Yes | n/a | - | Yes |
| Ruggedized | - | Yes | - | - |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | - | Yes |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | Yes |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes | - |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | - |
| Ringer ID | Yes | n/a | Yes | - |
| Voice Dialing | Yes | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | - |
| Custom Ringtones | Yes | n/a | Yes | - |
| Real-Music Ringers | Yes | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | - |
| WAP / Web Browser | Yes | n/a | Yes | - |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | - | n/a | Yes | - |
| EMS / Picture Messaging | Yes | n/a | Yes | Yes |
| Instant Messaging | - | n/a | Yes | - |
| MMS | Yes | n/a | Yes | - |
| Text Messaging Templates | Yes | n/a | Yes | - |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | Yes | n/a | - | - |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | Yes | - | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| Voice Memo | Yes | n/a | Yes | - |
| Software | ||||
| BREW | Yes | n/a | - | - |
| Games | Yes | n/a | Yes | - |
| Java (J2ME) | - | n/a | Yes | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SCH-A990 | Motorola Defy (2010) | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Knack U310 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | Motorola Defy (2010) | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Knack U310 |
