Side by side comparison and review of Samsung Galaxy J7 Duo and Xiaomi Redmi 12. 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 12 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J720F | - | |
| Form Factor | Touch | Touch | |
| Height | 153.5 mm | 168.6 mm | Xiaomi Redmi 12 has greater height than Samsung Galaxy J7 Duo. |
| Width | 77.2 mm | 76.28 mm | Samsung Galaxy J7 Duo has greater width than Xiaomi Redmi 12. |
| Depth | 8.2 mm | 8.17 mm | Xiaomi Redmi 12 is narrower than Samsung Galaxy J7 Duo. |
| Weight | 174 g | 198.5 g | Samsung Galaxy J7 Duo is lighter than Samsung Galaxy J7 Duo. |
| Body Colour | Black | Midnight black | |
| Protection | - | Spill-resistant, dust-resistant | |
| Waterproof (Water-resistant) | - | - | Xiaomi Redmi 12 is waterproof. |
| IP rating | - | IP53 | |
| SAR Value | 1.397 W/kg (body), 0.543 W/kg (head) | - | |
| Integrated Components | - | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | - | |
| SIM Card Qty | Single-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy J7 Duo | Xiaomi Redmi 12 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | - | |
| Screen Size (Display Size) | 5.5" | 6.79" | Xiaomi Redmi 12 has larger screen size than Samsung Galaxy J7 Duo. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2460 x 1080 pixels | Xiaomi Redmi 12 has better screen resolution than Samsung Galaxy J7 Duo. |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 396 ppi | |
| Max Brightness | - | 550 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Reading mode 3.0 | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | - | Reading mode, Dot Display, AdaptiveSync technology, 70% NTSC |
| PROCESSOR | Samsung Galaxy J7 Duo | Xiaomi Redmi 12 |
|---|
| Processor Type (CPU) | - | MediaTek Helio G88 | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | 2 GHz | Xiaomi Redmi 12 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. |
| Graphics System (GPU) | - | ARM Mali-G52 |
| MEMORY | Samsung Galaxy J7 Duo | Xiaomi Redmi 12 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB + up to 16 GB virtual extension | Xiaomi Redmi 12 has more RAM than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Xiaomi Redmi 12 has more internal memory than Samsung Galaxy J7 Duo. |
| User Memory | 21.9 GB | - | |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy J7 Duo | Xiaomi Redmi 12 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Xiaomi Redmi 12 has better camera resolution than Samsung Galaxy J7 Duo. |
| Lens Aperture | F/1.9 | F/1.8 | Xiaomi Redmi 12 has better lens aperture than Samsung Galaxy J7 Duo. |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | - | AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Xiaomi Redmi 12 has better second camera resolution than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra 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. |
| Field of View (2nd Camera) | - | 120 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| 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. |
| Lens Aperture (Front) | F/1.9 | F/2.1 | Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy J7 Duo | Xiaomi Redmi 12 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5000 mAh | Xiaomi Redmi 12 has larger battery capacity than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Standby Time | - | 552 hours | |
| Talk Time | 1200 minutes | 2220 minutes | Xiaomi Redmi 12 has longer battery life when making calls than Samsung Galaxy J7 Duo. |
| 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: up to 2220 min Standby: up to 552 hrs Playback (video): up to 16 hrs Reading: up to 26 hrs |
| CELLULAR | Samsung Galaxy J7 Duo | Xiaomi Redmi 12 |
|---|
| 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 13 | |
| User Interface | - | MIUI 14 | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy J7 Duo | Xiaomi Redmi 12 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 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, Band 41 | |
| 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, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 | |
| NFC | - | Yes | Xiaomi Redmi 12 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy J7 Duo | Xiaomi Redmi 12 |
|---|
| 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 | Xiaomi Redmi 12 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Accelerometer, digital compass | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | - | Fast Charging, IR blaster |
| OTHERS | Samsung Galaxy J7 Duo | Xiaomi Redmi 12 |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | IP53, SGS Low Blue Light Certification |
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