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| Phone | Samsung SGH-X640 | Palm Pre 2 (GSM) | Motorola v120x | ZTE Engage LT / Engage MT | Sony Xperia XZ1 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
3.1" diag. 5 : 3 |
? |
4" diag. 5 : 3 |
5.2" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
? |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | 60 Hz |
| Battery | 800 mAh | 1,150 mAh | ? | 1,900 mAh | 2,700 mAh |
| Processor | ? | 1 GHz TI 3630 | ? | ? | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | ? | ? | ? | 1 GB | 4 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 4 GB | 64 GB |
| Main Camera | Yes | 5 megapixel | - | 3 megapixel | 19 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | VGA (640 x 480) | - | WVGA / 480p | 4K UHD |
| Front Camera | - | - | - | Yes | 13 megapixel |
| Weight |
3 oz (85g) |
5.1 oz (145g) |
4.5 oz (128g) |
5.09 oz (144g) |
5.5 oz (156g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.96" x 2.35" x 0.67" (101 x 60 x 17 mm) |
5" x 1.7" x 1.1" (127 x 43 x 27.9 mm) |
4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm) |
5.82" x 2.89" x 0.29" (148 x 73 x 7.4 mm) |
| Form Factor | Clamshell | Slide | Slab | Slab | Slab |
| Platform / OS | (proprietary) | webOS | (proprietary) | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1700, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | HSDPA 3.6 | - | EVDO rA | LTE (Cat 16) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes * stand-alone |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | - | n/a | - | n/a | n/a |
| Water-Resistant | - | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | n/a | n/a |
| Hearing Aid Compatible | - | - | - | - |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | - | Yes | Yes |
| NFC | - | - | - | - | Yes |
| USB | - |
Yes Micro-USB |
- |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - |
Yes 802.11 b,g |
- | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | - | n/a | n/a |
| Ringer ID | Yes | n/a | - | n/a | n/a |
| Voice Dialing | - | n/a | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | - | n/a | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a | n/a |
| Real-Music Ringers | - | n/a | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | Yes | n/a | n/a |
| Dual-SIM | - | - | - | - | Yes * |
| WAP / Web Browser | Yes | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | - | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | - | n/a | n/a |
| Instant Messaging | - | n/a | - | n/a | n/a |
| MMS | Yes | n/a | - | n/a | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes | Yes |
| Music Player | - | n/a | - | n/a | n/a |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes |
| Miracast | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | n/a |
| Calculator | Yes | n/a | - | n/a | n/a |
| Calendar | Yes | n/a | Yes | n/a | n/a |
| To-Do List | Yes | n/a | - | n/a | n/a |
| Voice Memo | Yes | n/a | Yes | n/a | n/a |
| Software | |||||
| Games | Yes | n/a | Yes | n/a | n/a |
| Java (J2ME) | Yes | n/a | - | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Palm Pre 2 (GSM) | Motorola v120x | ZTE Engage LT / Engage MT | Sony Xperia XZ1 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Palm Pre 2 (GSM) | Motorola v120x | ZTE Engage LT / Engage MT | Sony Xperia XZ1 |
