Detailed comparison and review of Alcatel Flash and Samsung Galaxy J7 Duo. 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 | Alcatel Flash | Samsung Galaxy J7 Duo |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-J720F | |
| Form Factor | Touch | Touch | |
| Height | 152.6 mm | 153.5 mm | Samsung Galaxy J7 Duo has greater height than Alcatel Flash. |
| Width | 75.4 mm | 77.2 mm | Samsung Galaxy J7 Duo has greater width than Alcatel Flash. |
| Depth | 8.7 mm | 8.2 mm | Samsung Galaxy J7 Duo is narrower than Alcatel Flash. |
| Weight | 155 g | 174 g | Alcatel Flash is lighter than Alcatel Flash. |
| Body Colour | Titanium grey | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.724 W/kg (body), 0.284 W/kg (head) | 1.397 W/kg (body), 0.543 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-C - 24 pin USB-C 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 | Single-SIM |
| DISPLAY | Alcatel Flash | Samsung Galaxy J7 Duo |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | HD Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 5.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | Alcatel Flash has better screen resolution than Samsung Galaxy J7 Duo. |
| Display Format | Full HD | HD | |
| Pixel Density | 401 ppi | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | Full Lamination | - | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Dragontrail (scratch resistant glass) | - |
| PROCESSOR | Alcatel Flash | Samsung Galaxy J7 Duo |
|---|
| Processor Type (CPU) | MediaTek Helio X20 | - | |
|---|---|---|---|
| Processor Number | MT6797 | - | |
| Clock Speed | 1.3 GHz | 1.6 GHz | Samsung Galaxy J7 Duo has higher clock speed than Alcatel Flash. |
| Processor Core Qty | 10-core | 8-core | Alcatel Flash has higher processor core quantity than Samsung Galaxy J7 Duo. |
| Graphics System (GPU) | Mali T880 MP4 | - |
| MEMORY | Alcatel Flash | Samsung Galaxy J7 Duo |
|---|
| RAM | 3 GB | 3 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| User Memory | - | 21.9 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Alcatel Flash | Samsung Galaxy J7 Duo |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.0 | F/1.9 | Samsung Galaxy J7 Duo has better lens aperture than Alcatel Flash. |
| Lens Construction | 6-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | Panorama, tap to focus, Super Fine mode, Manual Focus Mode | - | |
| Face Recognition (Face ID) | Face detection | - | Alcatel Flash has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Closed loop processing, geotagging, Dual-tone Flash | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 13 Megapixel | 5 Megapixel | Alcatel Flash has better second camera resolution than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/2.0 | F/1.9 | Samsung Galaxy J7 Duo has better second camera lens aperture than Alcatel Flash. |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.0 | F/1.9 | Samsung Galaxy J7 Duo has better front lens aperture than Alcatel Flash. |
| Lens Element Qty (Front) | 6-element | - | |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | Super Selfie Mode | - | |
| Light Source (Front) | Dual LED flash | - | |
| Camera Features (Front) | Phase Detect Auto-Focus (PDAF), Closed loop processing, Dual-tone Flash | - |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 5 Megapixel | - |
|---|
| BATTERY AND CHARGING | Alcatel Flash | Samsung Galaxy J7 Duo |
|---|
| Battery Capacity (Battery Size) | 3100 mAh | 3000 mAh | Alcatel Flash has larger battery capacity than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Standby Time | 466 hours | - | |
| Talk Time | 1200 minutes | 1200 minutes | Both phones have the same battery life when making calls. |
| Run Time Details | Talk (3G): up to 1200 min Standby (3G): up to 466 hrs |
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 |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Alcatel Flash | Samsung Galaxy J7 Duo |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Google Android | |
| Intelligent Assistant | - | Bixby | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Alcatel Flash | Samsung Galaxy J7 Duo |
|---|
| 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 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac, ANT+/ANT | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Alcatel Flash | Samsung Galaxy J7 Duo |
|---|
| Supported Digital Audio Standards | AAC, AMR, MP3, AAC + | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, H.264 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 |
| FEATURES | Alcatel Flash | Samsung Galaxy J7 Duo |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | Accelerometer, proximity sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Active noise-cancellation | - |
| OTHERS | Alcatel Flash | Samsung Galaxy J7 Duo |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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