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| Phone | Samsung SGH-X640 | Motorola Droid Ultra | Asus PadFone X mini | Sony Ericsson TM506 | LG Volt 2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5" diag. 16 : 9 |
4.5" diag. 16 : 9 |
2.2" diag. 4 : 3 |
5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) AMOLED |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 800 mAh | 2,130 mAh | 2,060 mAh | 950 mAh | 2,540 mAh |
| Processor | ? | 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960T | 1.6 GHz Intel Atom Z2560 | ? | 1.2 GHz Qualcomm Snapdragon 410 (MSM8916) |
| RAM | ? | 2 GB | 1 GB | ? | 1 GB |
| Storage | ? raw hardware | 16 GB | 8 GB | ? raw hardware | 8 GB |
| Main Camera | Yes | 10 megapixel | 5 megapixel | 2 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | 1080p HD | QVGA (320 x 240) | 1080p HD |
| Front Camera | - | 2 megapixel | 2 megapixel | - | 5 megapixel |
| Weight |
3 oz (85g) |
4.83 oz (137g) |
5.26 oz (149g) |
3.56 oz (101g) |
4.8 oz (136g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.41" x 2.8" x 0.28" (137 x 71 x 7.2 mm) |
5.2" x 2.61" x 0.5" (132 x 66 x 12.6 mm) |
3.74" x 1.86" x 0.7" (95 x 47 x 17.8 mm) |
5.5" x 2.75" x 0.4" (140 x 70 x 10.2 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 25, 26, 41 CDMA: 800, 850, 1900 |
| Data Technology | GPRS | LTE (Cat 3) | LTE (Cat 3) | HSDPA 3.6 | LTE (Cat 4) |
| Features | |||||
| Flashlight | - | - | Yes | - | - |
| GPS / Location | - | n/a | n/a | Yes | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | - | n/a |
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | - | n/a |
| NFC | - | Yes | - | - | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | n/a | Yes | n/a |
| Voice Dialing | - | n/a | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | - | n/a |
| External Antenna Jack | - | n/a | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | Yes | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | - | n/a |
| Instant Messaging | - | n/a | n/a | Yes | n/a |
| MMS | Yes | n/a | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | - | n/a | n/a | Yes | n/a |
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes |
| Miracast | - | Yes | - | - | Yes |
| TV Output | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | n/a |
| Calculator | Yes | n/a | n/a | Yes | n/a |
| Calendar | Yes | n/a | n/a | Yes | n/a |
| To-Do List | Yes | n/a | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | n/a | Yes | n/a |
| Software | |||||
| Games | Yes | n/a | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | n/a | Yes | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Motorola Droid Ultra | Asus PadFone X mini | Sony Ericsson TM506 | LG Volt 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Motorola Droid Ultra | Asus PadFone X mini | Sony Ericsson TM506 | LG Volt 2 |
