Compare Phones
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| Phone | Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo | Alcatel Dawn | LG K40 / Harmony 3 | Apple iPhone 4 (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.5" diag. 16 : 9 |
4.5" diag. 16 : 9 |
5.7" diag. 18 : 9 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
720 x 1440 pixels (~282 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | 60 Hz |
| Battery | 3,300 mAh | 1,780 mAh | 3,000 mAh | ? |
| Processor | 1.6 GHz Samsung Exynos 7870 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 1.8 GHz Qualcomm Snapdragon 450 | Apple A4 |
| RAM | 2 GB | 1 GB | 2 GB | ? |
| Storage | 16 GB * | 8 GB | 32 GB | 32 GB * |
| Main Camera | 8 megapixel | 5 megapixel | 13 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | 720p HD | 1080p HD | 720p HD |
| Front Camera | Yes | Yes | 5 megapixel | Yes |
| Weight |
5.8 oz (164g) |
5.08 oz (144g) |
5.11 oz (145g) |
4.8 oz (136g) |
| Dimensions |
5.96" x 3.01" x 0.34" (151 x 76 x 8.6 mm) |
5.2" x 2.56" x 0.4" (132 x 65 x 10.1 mm) |
6.02" x 2.83" x 0.32" (153 x 72 x 8.1 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
| Platform / OS | Android | Android | Android | iOS |
| Network Bands |
4G LTE: 25, 26, 41 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 6) | LTE (Cat 4) | LTE (Cat 6) | HSPA 7.2 |
| 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) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | - | - | Yes * | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Music | ||||
| FM Radio | Yes | Yes | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| TV Output | - | - | - | Yes |
| Voice | ||||
| HD Voice | Yes | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo | Alcatel Dawn | LG K40 / Harmony 3 | Apple iPhone 4 (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo | Alcatel Dawn | LG K40 / Harmony 3 | Apple iPhone 4 (GSM) |
