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| Phone | Samsung Galaxy J2 / J2 Pure / J2 Dash | Nokia N78 | Red Hydrogen One |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
5" diag. 16 : 9 |
2.4" diag. 4 : 3 |
5.7" diag. 16 : 9 |
| Display Resolution & Type |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~515 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz |
| Battery | 2,600 mAh | 1,200 mAh | 4,510 mAh |
| Processor | 1.4 GHz Samsung Exynos 7570 | 369 MHz ARM 11 | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | 2 GB | ? | 6 GB |
| Storage | 16 GB | ? raw hardware | 128 GB * |
| Main Camera | 8 megapixel | 3 megapixel | 12 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 1080p HD | VGA (640 x 480) | 4K UHD |
| Front Camera | 5 megapixel | - | 8 megapixel |
| Weight |
5.43 oz (154g) |
3.59 oz (102g) |
9.63 oz (273g) |
| Dimensions |
5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm) |
4.45" x 1.93" x 0.59" (113 x 49 x 15.1 mm) |
6.54" x 3.28" x 0.39" (166 x 83 x 10 mm) |
| Platform / OS | Android | S60 (Symbian) | Android |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 4) | HSDPA 3.6 | LTE (Cat 12) |
| Features | |||
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | Yes | - | Yes |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | 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 4 (802.11 b,g,n) |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Music | |||
| FM Radio | - | Yes | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Stereo Speakers | - | Yes | Yes |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Power | |||
| Fast Charging | - | - | Yes |
| Voice | |||
| HD Voice | - | - | Yes |
| Push-To-Talk | - | Yes * | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Samsung Galaxy J2 / J2 Pure / J2 Dash | Nokia N78 | Red Hydrogen One | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy J2 / J2 Pure / J2 Dash | Nokia N78 | Red Hydrogen One |
