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| Phone | Samsung SGH-X640 | Samsung SCH-A610 | Sharp Z-800 (Audiovox 7900) | BlackBerry Z10 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
4.2" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
? LCD (Color) |
768 x 1280 pixels (~355 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | 1,300 mAh | ? | 1,800 mAh |
| Processor | ? | ? | ? | 1.5 GHz Qualcomm Snapdragon S4 |
| RAM | ? | ? | ? | 2 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | Yes | Yes | - | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | - | 1080p HD |
| Front Camera | - | - | - | 2 megapixel |
| Weight |
3 oz (85g) |
4.23 oz (120g) |
4.25 oz (120g) |
4.78 oz (135g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm) |
3.6" x 2" x 1.1" (91 x 51 x 27.9 mm) |
5.12" x 2.58" x 0.35" (130 x 66 x 9 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | BlackBerry 10 |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 13 WCDMA: 1, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | - | LTE (Cat 3) |
| Features | ||||
| GPS / Location | - | Yes | - | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | n/a |
| Multiple Languages | Yes | Yes | - | n/a |
| TTY/TDD (Digital) | - | - | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | - | - | Yes |
| Mobile Hotspot | - | - | - | n/a |
| NFC | - | - | - | Yes |
| USB | - | - | - |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 4 (802.11 a,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | n/a |
| Voice Dialing | - | Yes | - | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | - | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | - | - | - | n/a |
| EMS / Picture Messaging | Yes | Yes | - | n/a |
| Instant Messaging | - | - | - | n/a |
| MMS | Yes | Yes | - | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | - | - | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| TV Output | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | - | n/a |
| Calendar | Yes | Yes | - | n/a |
| To-Do List | Yes | Yes | - | n/a |
| Voice Memo | Yes | Yes | - | n/a |
| Software | ||||
| BREW | - | Yes | Yes | n/a |
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | - | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | Yes | n/a |
| Speaker Phone | Yes | - | - | Yes |
| Samsung SGH-X640 | Samsung SCH-A610 | Sharp Z-800 (Audiovox 7900) | BlackBerry Z10 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SCH-A610 | Sharp Z-800 (Audiovox 7900) | BlackBerry Z10 (CDMA) |
