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| Phone | LG G Flex (Sprint) | LG Stylo 4 | Samsung SGH-X640 | BlackBerry 7750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6" diag. 16 : 9 |
6.2" diag. 18 : 9 |
? | ? |
| Display Resolution & Type |
720 x 1280 pixels (~245 ppi) AMOLED |
1080 x 2160 pixels (~390 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? |
| Battery | 3,500 mAh | 3,300 mAh | 800 mAh | ? |
| Processor | 2.3 GHz Qualcomm Snapdragon 800 MSM8974 | 1.8 GHz Qualcomm Snapdragon 450 | ? | ? |
| RAM | 2 GB | 2 GB * | ? | ? |
| Storage | 32 GB | 32 GB * | ? raw hardware | ? raw hardware |
| Main Camera | 13 megapixel | 13 megapixel | Yes | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 4K UHD | 1080p HD | - | - |
| Front Camera | 2 megapixel | 5 megapixel | - | - |
| Weight |
6.24 oz (177g) |
6.07 oz (172g) |
3 oz (85g) |
5.01 oz (142g) |
| Dimensions |
6.32" x 3.21" x 0.31" (161 x 82 x 7.9 mm) |
6.31" x 3.06" x 0.33" (160 x 78 x 8.4 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Android | Android | (proprietary) | BlackBerry OS |
| Network Bands |
4G LTE: 25, 26, 41 WCDMA: 1, 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | LTE (Cat 4) | LTE (Cat 6) | GPRS | 1xRTT |
| Features | ||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
| Flashlight | Yes | Yes | - | - |
| GPS / Location | n/a | n/a | - | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | - |
| Infrared (IR) | Yes | - | - | - |
| Mobile Hotspot | n/a | n/a | - | n/a |
| NFC | Yes | Yes * | - | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
- | Yes |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | - | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | Yes | - | - |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | - |
| Messaging | ||||
| Email Client | n/a | n/a | - | n/a |
| EMS / Picture Messaging | n/a | n/a | Yes | n/a |
| Instant Messaging | n/a | n/a | - | n/a |
| MMS | n/a | n/a | Yes | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | - | n/a |
| Photo & Video | ||||
| DLNA | Yes | Yes | - | - |
| Miracast | Yes | - | - | - |
| TV Output | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | Yes | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | Yes | Yes | - | - |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| LG G Flex (Sprint) | LG Stylo 4 | Samsung SGH-X640 | BlackBerry 7750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG G Flex (Sprint) | LG Stylo 4 | Samsung SGH-X640 | BlackBerry 7750 |
