Side by side comparison and review of Samsung Galaxy J7 (2017) DUOS and Alcatel U3 3G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 3G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J730F/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 152.5 mm | 121.3 mm | Samsung Galaxy J7 (2017) DUOS has greater height than Alcatel U3 3G. |
| Width | 74.8 mm | 64.4 mm | Samsung Galaxy J7 (2017) DUOS has greater width than Alcatel U3 3G. |
| Depth | 8 mm | 9.7 mm | Samsung Galaxy J7 (2017) DUOS is narrower than Samsung Galaxy J7 (2017) DUOS. |
| Weight | 181 g | 102 g | Alcatel U3 3G is lighter than Samsung Galaxy J7 (2017) DUOS. |
| Body Colour | Black | Volcano black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.33 W/kg (body), 0.567 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 - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Micro SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 3G |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Full HD Super AMOLED | TFT | |
| Screen Size (Display Size) | 5.5" | 4" | Samsung Galaxy J7 (2017) DUOS has larger screen size than Alcatel U3 3G. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 800 x 480 pixels | Samsung Galaxy J7 (2017) DUOS has better screen resolution than Alcatel U3 3G. |
| Display Format | Full HD | - | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | Always-on display | - |
| PROCESSOR | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 3G |
|---|
| Clock Speed | 1.6 GHz | 1.3 GHz | Samsung Galaxy J7 (2017) DUOS has higher clock speed than Alcatel U3 3G. |
|---|---|---|---|
| Processor Core Qty | 8-core | Dual-core | Samsung Galaxy J7 (2017) DUOS has higher processor core quantity than Alcatel U3 3G. |
| MEMORY | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 3G |
|---|
| RAM | 3 GB | 512 MB | Samsung Galaxy J7 (2017) DUOS has more RAM than Alcatel U3 3G. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 4 GB | Samsung Galaxy J7 (2017) DUOS has more internal memory than Alcatel U3 3G. |
| User Memory | 10 GB | 700 MB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC - up to 32 GB |
| CAMERA | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 3G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 2 Megapixel | Samsung Galaxy J7 (2017) DUOS has better camera resolution than Alcatel U3 3G. |
| Lens Aperture | F/1.7 | - | |
| Focus Adjustment | Automatic | Focus free | |
| Light Source | LED flash | LED light | |
| 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 | 0.3 Megapixel | Samsung Galaxy J7 (2017) DUOS has better front camera resolution than Alcatel U3 3G. |
| Lens Aperture (Front) | F/1.9 | - | |
| Light Source (Front) | - | LED flash | |
| Camera Features (Front) | - | Interpolated to 1.3MP |
| BATTERY AND CHARGING | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 3G |
|---|
| Battery Capacity (Battery Size) | 3600 mAh | 1500 mAh | Samsung Galaxy J7 (2017) DUOS has larger battery capacity than Alcatel U3 3G. |
|---|---|---|---|
| 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 3G |
|---|
| 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 6.0 (Marshmallow) | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS |
| COMMUNICATIONS | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 3G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | |
|---|---|---|---|
| 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 | Band 1, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 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 | SMS, MMS |
| MEDIA | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 3G |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - |
| FEATURES | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 3G |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Proximity sensor, G-sensor | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | - | Radio Data Service (RDS) |
| OTHERS | Samsung Galaxy J7 (2017) DUOS | Alcatel U3 3G |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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