In depth comparison and review of Samsung Galaxy J7 (2017) DUOS and Alcatel U3 2019. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 2019 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J730F/DS | 4034L | |
| Form Factor | Touch | Touch | |
| Height | 152.5 mm | 121.3 mm | Samsung Galaxy J7 (2017) DUOS has greater height than Alcatel U3 2019. |
| Width | 74.8 mm | 64.4 mm | Samsung Galaxy J7 (2017) DUOS has greater width than Alcatel U3 2019. |
| Depth | 8 mm | 9.7 mm | Samsung Galaxy J7 (2017) DUOS is narrower than Samsung Galaxy J7 (2017) DUOS. |
| Weight | 181 g | 110 g | Alcatel U3 2019 is lighter than Samsung Galaxy J7 (2017) DUOS. |
| Body Colour | Black | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.33 W/kg (body), 0.567 W/kg (head) | 1.48 W/kg (body), 1.08 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 2019 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Full HD Super AMOLED | - | |
| Screen Size (Display Size) | 5.5" | 4" | Samsung Galaxy J7 (2017) DUOS has larger screen size than Alcatel U3 2019. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 800 x 480 pixels | Samsung Galaxy J7 (2017) DUOS has better screen resolution than Alcatel U3 2019. |
| Display Format | Full HD | WVGA | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | Always-on display | - |
| PROCESSOR | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 2019 |
|---|
| Processor Type (CPU) | - | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6580M | |
| Clock Speed | 1.6 GHz | 1.3 GHz | Samsung Galaxy J7 (2017) DUOS has higher clock speed than Alcatel U3 2019. |
| Processor Core Qty | 8-core | Quad-core | Samsung Galaxy J7 (2017) DUOS has higher processor core quantity than Alcatel U3 2019. |
| MEMORY | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 2019 |
|---|
| RAM | 3 GB | 512 MB | Samsung Galaxy J7 (2017) DUOS has more RAM than Alcatel U3 2019. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 4 GB | Samsung Galaxy J7 (2017) DUOS has more internal memory than Alcatel U3 2019. |
| User Memory | 10 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 2019 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 3 Megapixel | Samsung Galaxy J7 (2017) DUOS has better camera resolution than Alcatel U3 2019. |
| Lens Aperture | F/1.7 | - | |
| Focus Adjustment | Automatic | - | |
| Light Source | LED flash | - | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Functions) | - | Interpolated to 3MP |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 1.3 Megapixel | Samsung Galaxy J7 (2017) DUOS has better front camera resolution than Alcatel U3 2019. |
| Lens Aperture (Front) | F/1.9 | - | |
| Camera Features (Front) | - | Interpolated to 1.3MP |
| BATTERY AND CHARGING | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 2019 |
|---|
| Battery Capacity (Battery Size) | 3600 mAh | 1500 mAh | Samsung Galaxy J7 (2017) DUOS has larger battery capacity than Alcatel U3 2019. |
|---|---|---|---|
| Talk Time | 1440 minutes | - | |
| Run Time Details | Active online usage (WCDMA): up to 12 hrs Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 18 hrs Playback (audio): up to 59 hrs Playback (audio (Always On Display Off)): up to 91 hrs Talk (WCDMA): up to 1440 min |
- |
| CELLULAR | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 2019 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 3G | Samsung Galaxy J7 (2017) DUOS has more advanced generation mobile network. |
| Operating System | Google Android | Android 8.0 Oreo (Go edition) | |
| Navigation | GPS, GLONASS, BeiDou | GPS |
| COMMUNICATIONS | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 2019 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | - | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 40 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, HOGP | - | |
| NFC | Yes | - | Samsung Galaxy J7 (2017) DUOS has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 2019 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, AAC, AMR, MP3, FLAC, AAC +, MIDI, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - |
| FEATURES | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 2019 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | G-sensor | |
| Security Devices | Fingerprint reader | - |
| OTHERS | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 2019 |
|---|
| Included Accessories | Power adapter | - |
|---|
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