In depth comparison and review of Samsung Galaxy J7 Duo and Alcatel 1 (2021). 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 1 (2021) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J720F | 5033DR | |
| Form Factor | Touch | Touch | |
| Height | 153.5 mm | 137.6 mm | Samsung Galaxy J7 Duo has greater height than Alcatel 1 (2021). |
| Width | 77.2 mm | 65.7 mm | Samsung Galaxy J7 Duo has greater width than Alcatel 1 (2021). |
| Depth | 8.2 mm | 9.8 mm | Samsung Galaxy J7 Duo is narrower than Samsung Galaxy J7 Duo. |
| Weight | 174 g | 134 g | Alcatel 1 (2021) is lighter than Samsung Galaxy J7 Duo. |
| Body Colour | Black | Volcano black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.397 W/kg (body), 0.543 W/kg (head) | 1.63 W/kg (body), 0.91 W/kg (head), 3.49 W/kg (limb) | |
| Integrated Components | - | LED flashlight | |
| 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 | Dual-SIM |
| DISPLAY | Samsung Galaxy J7 Duo | Alcatel 1 (2021) |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | - | |
| Screen Size (Display Size) | 5.5" | 5" | Samsung Galaxy J7 Duo has larger screen size than Alcatel 1 (2021). |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 960 x 480 pixels | Samsung Galaxy J7 Duo has better screen resolution than Alcatel 1 (2021). |
| Display Format | HD | FWVGA+ | |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Eye comfort mode | |
| Display Features | - | FullView Display | |
| Display Protection (Screen Protector) | - | AGS Asahi Glass |
| PROCESSOR | Samsung Galaxy J7 Duo | Alcatel 1 (2021) |
|---|
| Processor Type (CPU) | - | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6739 | |
| Clock Speed | 1.6 GHz | 1.28 GHz | Samsung Galaxy J7 Duo has higher clock speed than Alcatel 1 (2021). |
| Processor Core Qty | 8-core | Quad-core | Samsung Galaxy J7 Duo has higher processor core quantity than Alcatel 1 (2021). |
| Graphics System (GPU) | - | IMG GE8100 |
| MEMORY | Samsung Galaxy J7 Duo | Alcatel 1 (2021) |
|---|
| RAM | 3 GB | 1 GB | Samsung Galaxy J7 Duo has more RAM than Alcatel 1 (2021). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 8 GB | Samsung Galaxy J7 Duo has more internal memory than Alcatel 1 (2021). |
| User Memory | 21.9 GB | 5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD - up to 32 GB |
| CAMERA | Samsung Galaxy J7 Duo | Alcatel 1 (2021) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 5 Megapixel | Samsung Galaxy J7 Duo has better camera resolution than Alcatel 1 (2021). |
| Sensor Size | - | 1/5" | |
| Lens Aperture | F/1.9 | F/2.4 | Samsung Galaxy J7 Duo has better lens aperture than Samsung Galaxy J7 Duo. |
| Lens Construction | - | 3-element | |
| Field of View (FoV) | - | 76 degree(s) | |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | Focus free | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1 (2021) has face detection. |
| Light Source | LED flash | - | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1280 x 720 (720p) at 30 fps |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/1.9 | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 2 Megapixel | Samsung Galaxy J7 Duo has better front camera resolution than Alcatel 1 (2021). |
| Sensor Size (Front) | - | 1/5" | |
| Lens Aperture (Front) | F/1.9 | F/2.8 | Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo. |
| Lens Element Qty (Front) | - | 2-element | |
| Field of View (Front) | - | 61 degree(s) | |
| Pixel Size (Front) | - | 1.75 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | Photo booth, Instant Collage, Social Square | |
| Camera Modes (Front) | - | One-handed mode, Social Mode | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1 (2021) has face detection. |
| Video Resolutions (Front) | - | 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy J7 Duo | Alcatel 1 (2021) |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 2000 mAh | Samsung Galaxy J7 Duo has larger battery capacity than Alcatel 1 (2021). |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 3.4 hour(s) | |
| Standby Time | - | 310 hours | |
| Talk Time | 1200 minutes | 1020 minutes | Samsung Galaxy J7 Duo has longer battery life when making calls than Alcatel 1 (2021). |
| 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 |
Standby (2G): up to 310 hrs Standby (3G): up to 300 hrs Standby (4G): up to 210 hrs Talk (2G): up to 1020 min Talk (3G): up to 660 min Talk (4G): up to 480 min |
| CELLULAR | Samsung Galaxy J7 Duo | Alcatel 1 (2021) |
|---|
| 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 11 (Go edition) | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou | GPS |
| COMMUNICATIONS | Samsung Galaxy J7 Duo | Alcatel 1 (2021) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, 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 7, Band 8, Band 20 | |
| 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 2600, FDD 900, FDD 800 DD | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy J7 Duo | Alcatel 1 (2021) |
|---|
| 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, APE (Monkey's Audio), Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MPEG-2, H.263, HEVC, VP8, VP9, H.265, H.264 AVC |
| FEATURES | Samsung Galaxy J7 Duo | Alcatel 1 (2021) |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Accelerometer, proximity sensor | |
| Security Devices | Face recognition, fingerprint reader | - | |
| Additional Phone Features | - | Smart Manager |
| OTHERS | Samsung Galaxy J7 Duo | Alcatel 1 (2021) |
|---|
| Included Accessories | Power adapter | - |
|---|
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