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| Phone | Samsung SGH-X640 | Microsoft Lumia 950 | LG VX-6000 | BlackBerry 7750 | Samsung SPH-Z400 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5.2" diag. 16 : 9 |
? | ? |
1.9" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~565 ppi) AMOLED |
120 x 160 pixels LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
176 x 220 pixels (~150 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 800 mAh | 3,000 mAh | 950 mAh | ? | 1,300 mAh |
| Processor | ? | 1.8 GHz Qualcomm Snapdragon 808 (MSM8992) | ? | ? | ? |
| RAM | ? | 3 GB | ? | ? | ? |
| Storage | ? raw hardware | 32 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 20 megapixel | Yes | - | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 4K UHD | - | - | QCIF (176 x 144) |
| Front Camera | - | 5 megapixel | - | - | - |
| Weight |
3 oz (85g) |
5.29 oz (150g) |
3.98 oz (113g) |
5.01 oz (142g) |
4.06 oz (115g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.71" x 2.88" x 0.32" (145 x 73 x 8.2 mm) |
3.54" x 1.9" x 0.95" (90 x 48 x 24.1 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.73" x 1.91" x 1" (95 x 49 x 25.4 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | Windows | (proprietary) | BlackBerry OS | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 40 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | LTE (Cat 6) | 1xRTT | 1xRTT | EVDO rA |
| Features | |||||
| Flashlight | - | Yes | - | - | - |
| GPS / Location | - | n/a | Yes | n/a | Yes |
| Ruggedized | - | - | - | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | n/a | Yes |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
- | - |
Yes M4 (very compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | Yes |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | - | - | Yes |
| Mobile Hotspot | - | n/a | - | n/a | - |
| NFC | - | Yes | - | - | - |
| USB | - |
Yes USB Type C |
Yes | Yes | Yes |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
- | - | - |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes | n/a | Yes |
| Voice Dialing | - | n/a | Yes | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes | n/a | Yes |
| Real-Music Ringers | - | n/a | - | n/a | Yes |
| Data & Network | |||||
| Data Tethering | - | n/a | Yes | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- | - | - |
| Memory | |||||
| Memory Card Slot | - | Yes | - | - | - |
| Messaging | |||||
| Email Client | - | n/a | - | n/a | Yes |
| EMS / Picture Messaging | Yes | n/a | - | n/a | - |
| MMS | Yes | n/a | Yes | n/a | - |
| Text Messaging Templates | Yes | n/a | Yes | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | - | - |
| Music Player | - | n/a | - | n/a | - |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| Miracast | - | Yes | - | - | - |
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | Yes | - | - | - |
| Wireless Charging | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes | n/a | Yes |
| To-Do List | Yes | n/a | - | n/a | - |
| Voice Memo | Yes | n/a | Yes | n/a | Yes |
| Software | |||||
| BREW | - | n/a | Yes | n/a | - |
| Games | Yes | n/a | Yes | n/a | Yes |
| Java (J2ME) | Yes | n/a | - | n/a | Yes |
| Voice | |||||
| HD Voice | - | Yes | - | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | Yes | n/a | Yes |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | - | - | Yes |
| Samsung SGH-X640 | Microsoft Lumia 950 | LG VX-6000 | BlackBerry 7750 | Samsung SPH-Z400 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Microsoft Lumia 950 | LG VX-6000 | BlackBerry 7750 | Samsung SPH-Z400 |
