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| Phone | Samsung SGH-X640 | Samsung SGH-D307 | Motorola Rival A455 | TCL 20 SE | Kyocera 3245 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
2.2" diag. 4 : 3 |
6.8" diag. 20.5 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
176 x 220 pixels (~131 ppi) LCD (TFT/TFD) |
720 x 1640 pixels (~263 ppi) LCD (TFT/TFD) |
? LCD (Grayscale) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | ? | 940 mAh | 5,000 mAh | ? |
| Processor | ? | ? | ? | 1.6 GHz Qualcomm Snapdragon 460 | ? |
| RAM | ? | ? | ? | 4 GB | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB | ? raw hardware |
| Main Camera | Yes | - | 2 megapixel | 48 megapixel | - |
| Wide Camera | - | - | - | 5 megapixel | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | QVGA (320 x 240) | 1080p HD | - |
| Front Camera | - | - | - | 13 megapixel | - |
| Weight |
3 oz (85g) |
4.3 oz (122g) |
4.48 oz (127g) |
7.31 oz (207g) |
4.23 oz (120g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.7" x 1.9" x 0.85" (94 x 48 x 21.6 mm) |
3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm) |
6.78" x 3.04" x 0.35" (172 x 77 x 8.9 mm) |
4.61" x 1.97" x 1.02" (117 x 50 x 25.9 mm) |
| Form Factor | Clamshell | Clamshell | Slide | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 26, 28, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | GPRS | EDGE | EVDO r0 | LTE (Cat 4) | 1xRTT |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | - | - | Yes | n/a | Yes |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | - |
| USB | - | Yes |
Yes Micro-USB |
Yes USB Type C |
- |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | n/a | - |
| Ringer ID | Yes | Yes | Yes | n/a | - |
| Voice Dialing | - | Yes | Yes | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | Yes | Yes | n/a | - |
| Data & Network | |||||
| Data Tethering | - | Yes | Yes | n/a | Yes |
| WAP / Web Browser | Yes | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | - | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | - |
| Text Keyboard, Hardware | - | Yes | Yes | - | - |
| Touch Screen | - | - | Yes |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | - | Yes | Yes | n/a | - |
| EMS / Picture Messaging | Yes | Yes | Yes | n/a | Yes |
| Instant Messaging | - | - | Yes | n/a | - |
| MMS | Yes | Yes | Yes | n/a | - |
| Text Messaging Templates | Yes | Yes | Yes | n/a | - |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - |
| Music Player | - | - | Yes | n/a | - |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | Yes | n/a | Yes |
| To-Do List | Yes | Yes | - | n/a | - |
| Voice Memo | Yes | Yes | Yes | n/a | Yes |
| Software | |||||
| BREW | - | - | Yes | n/a | Yes * |
| Games | Yes | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | Yes | - | n/a | - |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | - | - | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Samsung SGH-D307 | Motorola Rival A455 | TCL 20 SE | Kyocera 3245 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SGH-D307 | Motorola Rival A455 | TCL 20 SE | Kyocera 3245 |
