Side by side comparison and review of Samsung Galaxy J7 Duo and Xiaomi Redmi 7. 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 Duo | Xiaomi Redmi 7 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J720F | - | |
| Form Factor | Touch | Touch | |
| Height | 153.5 mm | 158.73 mm | Xiaomi Redmi 7 has greater height than Samsung Galaxy J7 Duo. |
| Width | 77.2 mm | 75.58 mm | Samsung Galaxy J7 Duo has greater width than Xiaomi Redmi 7. |
| Depth | 8.2 mm | 8.47 mm | Samsung Galaxy J7 Duo is narrower than Samsung Galaxy J7 Duo. |
| Weight | 174 g | 180 g | Samsung Galaxy J7 Duo is lighter than Samsung Galaxy J7 Duo. |
| Body Colour | Black | Comet blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.397 W/kg (body), 0.543 W/kg (head) | 1.251 W/kg (body), 0.577 W/kg (head), 2.98 W/kg (limb) | |
| 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 | Xiaomi Redmi 7 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | - | |
| Screen Size (Display Size) | 5.5" | 6.26" | Xiaomi Redmi 7 has larger screen size than Samsung Galaxy J7 Duo. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1520 x 720 pixels | Xiaomi Redmi 7 has better screen resolution than Samsung Galaxy J7 Duo. |
| Display Format | HD | HD+ | |
| Pixel Density | - | 269 ppi | |
| Aspect Ratio | - | 19:9 | |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Features | - | Reading mode, Colour temperature adjustment, Dot Drop display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy J7 Duo | Xiaomi Redmi 7 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 632 | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | 1.8 GHz | Xiaomi Redmi 7 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. |
| 64-bit Architecture | - | Yes | Xiaomi Redmi 7 has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 506 |
| MEMORY | Samsung Galaxy J7 Duo | Xiaomi Redmi 7 |
|---|
| RAM | 3 GB | LPDDR3 SDRAM - 2 GB | Samsung Galaxy J7 Duo has more RAM than Xiaomi Redmi 7. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | Samsung Galaxy J7 Duo has more internal memory than Xiaomi Redmi 7. |
| User Memory | 21.9 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy J7 Duo | Xiaomi Redmi 7 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | Samsung Galaxy J7 Duo has better camera resolution than Xiaomi Redmi 7. |
| Lens Aperture | F/1.9 | F/2.2 | Samsung Galaxy J7 Duo has better lens aperture than Samsung Galaxy J7 Duo. |
| Pixel Size | - | 1.25 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| Camera Modes | - | AI portrait mode, AI Beautify 4.0 | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 7 has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | - | AI Dual camera, AI scene detection, 27 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy J7 Duo has better second camera resolution than Xiaomi Redmi 7. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/1.9 | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/1.9 | F/2.0 | Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo. |
| Pixel Size (Front) | - | 1.12 μm | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | AI portrait mode, AI Beautify 4.0 | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 7 has face detection. |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | Selfie countdown |
| BATTERY AND CHARGING | Samsung Galaxy J7 Duo | Xiaomi Redmi 7 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4000 mAh | Xiaomi Redmi 7 has larger battery capacity than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Talk Time | 1200 minutes | - | |
| 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 |
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| CELLULAR | Samsung Galaxy J7 Duo | Xiaomi Redmi 7 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | - | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy J7 Duo | Xiaomi Redmi 7 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 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 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | Infrared (IrDA), IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J7 Duo | Xiaomi Redmi 7 |
|---|
| 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, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, SBC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, MPEG-4, H.264, M4V |
| FEATURES | Samsung Galaxy J7 Duo | Xiaomi Redmi 7 |
|---|
| 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, proximity sensor | Accelerometer, ambient light sensor, digital compass, distance sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader | |
| Additional Phone Features | - | Infrared remote control |
| OTHERS | Samsung Galaxy J7 Duo | Xiaomi Redmi 7 |
|---|
| Included Accessories | Power adapter | Protective cover, USB cable, power adapter, SIM card removal tool |
|---|
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