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| Phone | LG K40 / Harmony 3 | Samsung SGH-X640 | Samsung Galaxy S6 (GSM) | BlackBerry 7750 | ZTE Max XL |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
5.7" diag. 18 : 9 |
? |
5.1" diag. 16 : 9 |
? |
6" diag. 16 : 9 |
| Display Resolution & Type |
720 x 1440 pixels (~282 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
240 x 240 pixels LCD (Color) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? | 60 Hz |
| Battery | 3,000 mAh | 800 mAh | 2,550 mAh | ? | 3,990 mAh |
| Processor | 1.8 GHz Qualcomm Snapdragon 450 | ? | 2.1 GHz Samsung Exynos 7420 | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) |
| RAM | 2 GB | ? | 3 GB | ? | 2 GB |
| Storage | 32 GB | ? raw hardware | 32 GB * | ? raw hardware | 16 GB |
| Main Camera | 13 megapixel | Yes | 16 megapixel | - | 13 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 1080p HD | - | 4K UHD | - | 1080p HD |
| Front Camera | 5 megapixel | - | 5 megapixel | - | 5 megapixel |
| Weight |
5.11 oz (145g) |
3 oz (85g) |
4.87 oz (138g) |
5.01 oz (142g) |
6.35 oz (180g) |
| Dimensions |
6.02" x 2.83" x 0.32" (153 x 72 x 8.1 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
6.5" x 3.3" x 0.37" (165 x 84 x 9.4 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | BlackBerry OS | Android |
| Network Bands |
4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 25, 26, 41 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 6) | GPRS | LTE (Cat 6) | 1xRTT | LTE (Cat 6) |
| Features | |||||
| Fingerprint Reader |
Yes stand-alone |
- | Yes | - |
Yes stand-alone |
| Flashlight | Yes | - | Yes | - | Yes |
| GPS / Location | n/a | - | n/a | n/a | n/a |
| VR-ready | - | - | Yes | - | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | - | Yes |
| Infrared (IR) | - | - | Yes | - | - |
| MirrorLink | - | - | Yes | - | - |
| NFC | Yes * | - | Yes | - | - |
| USB |
Yes Micro-USB |
- |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a | n/a |
| Data & Network | |||||
| WAP / Web Browser | n/a | Yes | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | 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 | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a | n/a |
| Music | |||||
| FM Radio | Yes | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes | - | Yes |
| Photo & Video | |||||
| DLNA | Yes | - | Yes | - | - |
| Miracast | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | Yes |
| Wireless Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a | n/a |
| Software | |||||
| Games | n/a | Yes | n/a | n/a | n/a |
| Java (J2ME) | n/a | Yes | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | Yes | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| * Some versions only | |||||
| LG K40 / Harmony 3 | Samsung SGH-X640 | Samsung Galaxy S6 (GSM) | BlackBerry 7750 | ZTE Max XL | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG K40 / Harmony 3 | Samsung SGH-X640 | Samsung Galaxy S6 (GSM) | BlackBerry 7750 | ZTE Max XL |
