Side by side comparison and review of Xiaomi Redmi 4X and Samsung Galaxy J7 Duo. 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 | Xiaomi Redmi 4X | Samsung Galaxy J7 Duo |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-J720F | |
| Form Factor | Touch | Touch | |
| Height | 139.24 mm | 153.5 mm | Samsung Galaxy J7 Duo has greater height than Xiaomi Redmi 4X. |
| Width | 69.96 mm | 77.2 mm | Samsung Galaxy J7 Duo has greater width than Xiaomi Redmi 4X. |
| Depth | 8.65 mm | 8.2 mm | Samsung Galaxy J7 Duo is narrower than Xiaomi Redmi 4X. |
| Weight | 146 g | 174 g | Xiaomi Redmi 4X is lighter than Xiaomi Redmi 4X. |
| Body Colour | Black | Black | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.5 W/kg (body), 0.583 W/kg (head) | 1.397 W/kg (body), 0.543 W/kg (head) | |
| 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 | Micro SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi Redmi 4X | Samsung Galaxy J7 Duo |
|---|
| 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 Xiaomi Redmi 4X. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1280 x 720 pixels | Both phones have the same screen resolution. |
| Display Format | HD | HD | |
| Max Brightness | 450 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1000:1 | - | |
| Display Features | 2.5D Glass, Night Display, Reading mode, Colour temperature adjustment | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | - |
| PROCESSOR | Xiaomi Redmi 4X | Samsung Galaxy J7 Duo |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 435 | - | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | 1.6 GHz | Samsung Galaxy J7 Duo has higher clock speed than Xiaomi Redmi 4X. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi 4X has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 505 | - |
| MEMORY | Xiaomi Redmi 4X | 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 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi 4X | Samsung Galaxy J7 Duo |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 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 Xiaomi Redmi 4X. |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | - | |
| Camera Modes | Burst mode, Panorama | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 4X has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | - |
| 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) | 5 Megapixel | 8 Megapixel | Samsung Galaxy J7 Duo has better front camera resolution than Xiaomi Redmi 4X. |
| Lens Aperture (Front) | F/2.2 | F/1.9 | Samsung Galaxy J7 Duo has better front lens aperture than Xiaomi Redmi 4X. |
| Camera Modes (Front) | Beautify Selfie mode | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 4X has face detection. |
| BATTERY AND CHARGING | Xiaomi Redmi 4X | Samsung Galaxy J7 Duo |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 3000 mAh | Xiaomi Redmi 4X has larger battery capacity than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Standby Time | 432 hours | - | |
| Talk Time | 2160 minutes | 1200 minutes | Xiaomi Redmi 4X has longer battery life when making calls than Samsung Galaxy J7 Duo. |
| Run Time Details | Talk: up to 2160 min Playback (video): up to 15 hrs Gaming: up to 13 hrs Standby (LTE): up to 432 hrs Playback (audio): up to 87 hrs Reading: up to 26 hrs Navigation: up to 15 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 |
| CELLULAR | Xiaomi Redmi 4X | 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 | - | Google Android | |
| User Interface | MIUI 8 | - | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi Redmi 4X | Samsung Galaxy J7 Duo |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | 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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac, ANT+/ANT | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Bluetooth Profiles | HID | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 4X | Samsung Galaxy J7 Duo |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 |
| FEATURES | Xiaomi Redmi 4X | 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, gyro sensor | Accelerometer, proximity sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Infrared remote control | - |
| OTHERS | Xiaomi Redmi 4X | Samsung Galaxy J7 Duo |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter |
|---|
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