Detailed comparison and review of Samsung Galaxy J7 (2017) DUOS and Alcatel 3X 2020. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Samsung Galaxy J7 (2017) DUOS | Alcatel 3X 2020 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J730F/DS | 5061K | |
| Form Factor | Touch | Touch | |
| Height | 152.5 mm | 165 mm | Alcatel 3X 2020 has greater height than Samsung Galaxy J7 (2017) DUOS. |
| Width | 74.8 mm | 75 mm | Alcatel 3X 2020 has greater width than Samsung Galaxy J7 (2017) DUOS. |
| Depth | 8 mm | 9.09 mm | Samsung Galaxy J7 (2017) DUOS is narrower than Samsung Galaxy J7 (2017) DUOS. |
| Weight | 181 g | 186 g | Samsung Galaxy J7 (2017) DUOS is lighter than Samsung Galaxy J7 (2017) DUOS. |
| Body Colour | Black | Jewelry black | |
| Body Material | - | Oleophobic coating | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.33 W/kg (body), 0.567 W/kg (head) | 1.56 W/kg (body), 0.83 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy J7 (2017) DUOS | Alcatel 3X 2020 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Full HD Super AMOLED | IPS | |
| Screen Size (Display Size) | 5.5" | 6.52" | Alcatel 3X 2020 has larger screen size than Samsung Galaxy J7 (2017) DUOS. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Samsung Galaxy J7 (2017) DUOS has better screen resolution than Alcatel 3X 2020. |
| Display Format | Full HD | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | Always-on display | 2.5D Glass, Vast Display |
| PROCESSOR | Samsung Galaxy J7 (2017) DUOS | Alcatel 3X 2020 |
|---|
| Processor Type (CPU) | - | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6762 | |
| Clock Speed | 1.6 GHz | 2 GHz | Alcatel 3X 2020 has higher clock speed than Samsung Galaxy J7 (2017) DUOS. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | Alcatel 3X 2020 has 64-bit architecture. |
| Graphics System (GPU) | - | PowerVR GE8320 |
| MEMORY | Samsung Galaxy J7 (2017) DUOS | Alcatel 3X 2020 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB | Alcatel 3X 2020 has more RAM than Samsung Galaxy J7 (2017) DUOS. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Alcatel 3X 2020 has more internal memory than Samsung Galaxy J7 (2017) DUOS. |
| User Memory | 10 GB | 50 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy J7 (2017) DUOS | Alcatel 3X 2020 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | Alcatel 3X 2020 has better camera resolution than Samsung Galaxy J7 (2017) DUOS. |
| Sensor Size | - | 1/2.8" | |
| Lens Aperture | F/1.7 | F/1.8 | Samsung Galaxy J7 (2017) DUOS has better lens aperture than Samsung Galaxy J7 (2017) DUOS. |
| Lens Construction | - | 5-element | |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | - | Panorama, AR Emoji, Light Trace Mode | |
| Light Source | LED flash | Dual tone LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | - | Real-time video filters, AI Quad camera, 22 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Lens Type (2nd Camera) | - | Super wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Lens Element Qty (2nd Camera) | - | 4-element | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Features (2nd Camera) | - | 4-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/5" | |
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/5" | |
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Lens Element Qty (4th Camera) | - | 3-element | |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 8 Megapixel | Samsung Galaxy J7 (2017) DUOS has better front camera resolution than Alcatel 3X 2020. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | F/1.9 | F/2.0 | Samsung Galaxy J7 (2017) DUOS has better front lens aperture than Samsung Galaxy J7 (2017) DUOS. |
| Lens Element Qty (Front) | - | 4-element | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | Bokeh effect | |
| Camera Modes (Front) | - | Face Beauty | |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy J7 (2017) DUOS | Alcatel 3X 2020 |
|---|
| Battery Capacity (Battery Size) | 3600 mAh | 5000 mAh | Alcatel 3X 2020 has larger battery capacity than Samsung Galaxy J7 (2017) DUOS. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 3.5 hour(s) | |
| Standby Time | - | 900 hours | |
| Talk Time | 1440 minutes | 3000 minutes | Alcatel 3X 2020 has longer battery life when making calls than Samsung Galaxy J7 (2017) DUOS. |
| 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 |
Talk (2G): up to 3000 min Talk (3G): up to 2400 min Talk (4G/VoLTE): up to 1860 min Standby (2G): up to 900 hrs Standby (3G): up to 690 hrs Standby (4G/VoLTE): up to 560 hrs |
| CELLULAR | Samsung Galaxy J7 (2017) DUOS | Alcatel 3X 2020 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | Android 10 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy J7 (2017) DUOS | Alcatel 3X 2020 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi | |
|---|---|---|---|
| 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 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 40 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| 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 3X 2020 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - |
| FEATURES | Samsung Galaxy J7 (2017) DUOS | Alcatel 3X 2020 |
|---|
| 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Security Technology | - | Face Key | |
| Additional Phone Features | - | HD Voice, dual microphones with noise cancellation, Google Lens, Google Assistant Button |
| OTHERS | Samsung Galaxy J7 (2017) DUOS | Alcatel 3X 2020 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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