In depth comparison and review of Samsung Galaxy J7 Duo and Alcatel 3L (2020). 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 Duo | Alcatel 3L (2020) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J720F | 5029Y | |
| Form Factor | Touch | Touch | |
| Height | 153.5 mm | 158.7 mm | Alcatel 3L (2020) has greater height than Samsung Galaxy J7 Duo. |
| Width | 77.2 mm | 74.6 mm | Samsung Galaxy J7 Duo has greater width than Alcatel 3L (2020). |
| Depth | 8.2 mm | 8.45 mm | Samsung Galaxy J7 Duo is narrower than Samsung Galaxy J7 Duo. |
| Weight | 174 g | 165 g | Alcatel 3L (2020) is lighter than Samsung Galaxy J7 Duo. |
| Body Colour | Black | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.397 W/kg (body), 0.543 W/kg (head) | 1.5 W/kg (body), 1.53 W/kg (head), 3.49 W/kg (limb) | |
| 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) | Micro SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Single-SIM |
| DISPLAY | Samsung Galaxy J7 Duo | Alcatel 3L (2020) |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | IPS | |
| Screen Size (Display Size) | 5.5" | 6.22" | Alcatel 3L (2020) has larger screen size than Samsung Galaxy J7 Duo. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1520 x 720 pixels | Alcatel 3L (2020) has better screen resolution than Samsung Galaxy J7 Duo. |
| Display Format | HD | HD+ | |
| Aspect Ratio | - | 19:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | 2.5D Glass, Vast Display |
| PROCESSOR | Samsung Galaxy J7 Duo | Alcatel 3L (2020) |
|---|
| Processor Type (CPU) | - | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6762 | |
| Clock Speed | 1.6 GHz | 2 GHz | Alcatel 3L (2020) has higher clock speed than Samsung Galaxy J7 Duo. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| MEMORY | Samsung Galaxy J7 Duo | Alcatel 3L (2020) |
|---|
| RAM | 3 GB | 4 GB | Alcatel 3L (2020) has more RAM than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Alcatel 3L (2020) has more internal memory than Samsung Galaxy J7 Duo. |
| User Memory | 21.9 GB | 50 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | Samsung Galaxy J7 Duo | Alcatel 3L (2020) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Alcatel 3L (2020) has better camera resolution than Samsung Galaxy J7 Duo. |
| Sensor Size | - | 1/2.25" | |
| Lens Aperture | F/1.9 | F/1.8 | Alcatel 3L (2020) has better lens aperture than Samsung Galaxy J7 Duo. |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 1.6 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| Camera Modes | - | Panorama, night mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | - | Real-time photo filters, AI scene detection, 22 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 5 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Lens Type (2nd Camera) | - | Wide-angle lens | |
| Lens Aperture (2nd Camera) | F/1.9 | F/2.2 | Samsung Galaxy J7 Duo has better second camera lens aperture than Samsung Galaxy J7 Duo. |
| 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 | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Pixel Size (3rd Camera) | - | 1.65 μm | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | F/1.9 | F/2.0 | Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo. |
| Lens Element Qty (Front) | - | 4-element | |
| Pixel Size (Front) | - | 1.12 μm | |
| Special Effects (Front) | - | Bokeh effect, Face Beautification | |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | - | 4-in-1 Pixel technology |
| BATTERY AND CHARGING | Samsung Galaxy J7 Duo | Alcatel 3L (2020) |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4000 mAh | Alcatel 3L (2020) has larger battery capacity than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 2.5 hour(s) | |
| Standby Time | - | 461 hours | |
| Talk Time | 1200 minutes | 1200 minutes | Both phones have the same battery life when making calls. |
| Run Time Details | Active online usage (WCDMA): up to 11 hrs Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (video): up to 17 hrs Playback (audio): up to 66 hrs Talk (WCDMA): up to 1200 min |
Talk (4G): up to 1200 min Talk (3G): up to 1800 min Talk (2G): up to 2040 min Standby (2G): up to 596 hrs Standby (3G): up to 586 hrs Standby (4G): up to 461 hrs |
| CELLULAR | Samsung Galaxy J7 Duo | Alcatel 3L (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 | Bixby | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS |
| COMMUNICATIONS | Samsung Galaxy J7 Duo | Alcatel 3L (2020) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 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 38, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J7 Duo | Alcatel 3L (2020) |
|---|
| 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 Duo | Alcatel 3L (2020) |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Accelerometer, proximity sensor, digital compass | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | - | HD Voice, dual microphones with noise cancellation, Face Key |
| OTHERS | Samsung Galaxy J7 Duo | Alcatel 3L (2020) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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