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| Phone | BlackBerry 7750 | Samsung SGH-X640 | Samsung Galaxy S6 (GSM) | Samsung Galaxy J2 / J2 Pure / J2 Dash |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
5.1" diag. 16 : 9 |
5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
128 x 160 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | ? | 800 mAh | 2,550 mAh | 2,600 mAh |
| Processor | ? | ? | 2.1 GHz Samsung Exynos 7420 | 1.4 GHz Samsung Exynos 7570 |
| RAM | ? | ? | 3 GB | 2 GB |
| Storage | ? raw hardware | ? raw hardware | 32 GB * | 16 GB |
| Main Camera | - | Yes | 16 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | 4K UHD | 1080p HD |
| Front Camera | - | - | 5 megapixel | 5 megapixel |
| Weight |
5.01 oz (142g) |
3 oz (85g) |
4.87 oz (138g) |
5.43 oz (154g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 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) |
5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | BlackBerry OS | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | 1xRTT | GPRS | LTE (Cat 6) | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader | - | - | Yes | - |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | 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) |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| Infrared (IR) | - | - | Yes | - |
| MirrorLink | - | - | Yes | - |
| NFC | - | - | Yes | - |
| USB | Yes | - |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Data & Network | ||||
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | 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 | Yes | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Miracast | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| Games | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a |
| Speaker Phone | - | Yes | Yes | Yes |
| BlackBerry 7750 | Samsung SGH-X640 | Samsung Galaxy S6 (GSM) | Samsung Galaxy J2 / J2 Pure / J2 Dash | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | Samsung SGH-X640 | Samsung Galaxy S6 (GSM) | Samsung Galaxy J2 / J2 Pure / J2 Dash |
