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| Phone | Samsung SCH-A645 | Samsung SCH-A990 | Coolpad Defiant |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? |
5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
240 x 320 pixels LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 1,000 mAh | 2,450 mAh |
| Processor | ? | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) |
| RAM | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | 8 GB |
| Main Camera | - | 3 megapixel | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | ? | 720p HD |
| Front Camera | - | - | 2 megapixel |
| Weight |
3.2 oz (91g) |
4.4 oz (125g) |
6.5 oz (184g) |
| Dimensions |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
| Form Factor | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | EVDO r0 | LTE (Cat 4) |
| Features | |||
| Flashlight | - | Yes | Yes |
| GPS / Location | Yes | Yes | n/a |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | Yes | - |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| USB | - | Yes |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | |||
| Picture ID | Yes | Yes | n/a |
| Ringer ID | - | Yes | n/a |
| Voice Dialing | Yes | Yes | n/a |
| Customization | |||
| Custom Graphics | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a |
| Real-Music Ringers | - | Yes | n/a |
| Data & Network | |||
| Data Tethering | - | Yes | n/a |
| WAP / Web Browser | Yes * | Yes | n/a |
| Input | |||
| Predictive Text Entry | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| EMS / Picture Messaging | Yes | Yes | n/a |
| MMS | - | Yes | n/a |
| Text Messaging Templates | Yes | Yes | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | - | Yes |
| Music Player | - | Yes | n/a |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Productivity | |||
| Alarm | Yes | Yes | n/a |
| Calculator | Yes | Yes | n/a |
| Calendar | Yes | Yes | n/a |
| To-Do List | Yes | - | n/a |
| Voice Memo | Yes | Yes | n/a |
| Software | |||
| BREW | Yes * | Yes | n/a |
| Games | Yes * | Yes | n/a |
| Voice | |||
| Headset Jack (2.5 mm) | Yes | - | n/a |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Samsung SCH-A645 | Samsung SCH-A990 | Coolpad Defiant | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A645 | Samsung SCH-A990 | Coolpad Defiant |
