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| Phone | Samsung SGH-E640 | ZTE Savvy | Kyocera DuraForce XD | Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo | Samsung SPH-N240 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
5.7" diag. 16 : 9 |
5.5" diag. 16 : 9 |
? |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~258 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
128 x 64 pixels |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz | ? |
| Battery | 800 mAh | 1,650 mAh | 3,700 mAh | 3,300 mAh | ? |
| Processor | ? | 1 GHz Qualcomm MSM8625 | 1.6 GHz Qualcomm Snapdragon 400 (MSM8928) | 1.6 GHz Samsung Exynos 7870 | ? |
| RAM | ? | 768 MB | 2 GB | 2 GB | ? |
| Storage | ? raw hardware | 4 GB | 16 GB | 16 GB * | ? raw hardware |
| Main Camera | 1 megapixel | 5 megapixel | 8 megapixel | 8 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | WVGA / 480p | 1080p HD | 1080p HD | - |
| Front Camera | - | - | 2 megapixel | Yes | - |
| Weight |
3.17 oz (90g) |
4.43 oz (126g) |
10.83 oz (307g) |
5.8 oz (164g) |
3.2 oz (91g) |
| Dimensions |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
4.96" x 2.55" x 0.42" (126 x 65 x 10.7 mm) |
6.57" x 3.4" x 0.55" (167 x 86 x 14 mm) |
5.96" x 3.01" x 0.34" (151 x 76 x 8.6 mm) |
4.1" x 1.5" x 0.7" (104 x 38 x 17.8 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 17, 20, 29 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | GPRS | EVDO rA | LTE (Cat 3) | LTE (Cat 6) | - |
| Features | |||||
| Flashlight | - | Yes | Yes | Yes | - |
| GPS / Location | - | n/a | n/a | n/a | Yes |
| Ruggedized | - | - | Yes | - | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | n/a | - |
| NFC | - | - | Yes | - | - |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
- |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | n/a | - |
| Ringer ID | Yes | n/a | n/a | n/a | Yes |
| Voice Dialing | - | n/a | n/a | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | - | - | Yes |
| Custom Graphics | Yes | n/a | n/a | n/a | - |
| Custom Ringtones | Yes | n/a | n/a | n/a | - |
| Real-Music Ringers | Yes | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | n/a | - |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | n/a | - |
| MMS | Yes | n/a | n/a | n/a | - |
| Text Messaging Templates | Yes | n/a | n/a | n/a | - |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | - |
| Music Player | Yes | n/a | n/a | n/a | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| Miracast | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | n/a | - |
| Software | |||||
| Games | Yes | n/a | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | n/a | - |
| Voice | |||||
| HD Voice | - | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | - | n/a | n/a | n/a | Yes |
| Push-To-Talk | - | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| Samsung SGH-E640 | ZTE Savvy | Kyocera DuraForce XD | Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo | Samsung SPH-N240 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-E640 | ZTE Savvy | Kyocera DuraForce XD | Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo | Samsung SPH-N240 |
