Side by side comparison and review of Samsung Galaxy J7 Duo and Xiaomi 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 12 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J720F | - | |
| Form Factor | Touch | Touch | |
| Height | 153.5 mm | 152.7 mm | Samsung Galaxy J7 Duo has greater height than Xiaomi 12. |
| Width | 77.2 mm | 69.9 mm | Samsung Galaxy J7 Duo has greater width than Xiaomi 12. |
| Depth | 8.2 mm | 8.16 mm | Xiaomi 12 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 | Grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.397 W/kg (body), 0.543 W/kg (head) | 0.596 W/kg (head), 0.998 W/kg (body), 1.972 W/kg (limb) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Micro SIM | - | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy J7 Duo | Xiaomi 12 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.28" | Xiaomi 12 has larger screen size than Samsung Galaxy J7 Duo. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2400 x 1080 pixels | Xiaomi 12 has better screen resolution than Samsung Galaxy J7 Duo. |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 419 ppi | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 1100 cd/m² | |
| Colour Depth | 16.7 million colours | 68 billion colours | Xiaomi 12 has better colour depth than Samsung Galaxy J7 Duo. |
| Contrast Ratio | - | 5000000:1 | |
| HDR | - | Yes | Xiaomi 12 has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | - | Dolby Vision, Sunlight mode, AdaptiveSync technology | |
| Display Refresh Rate | - | 120 Hz | |
| Touch Sampling Rate | - | 480 Hz | |
| Display Features | - | Reading mode, DCI-P3 Wide colour gamut, Dot Display, True Colour, DisplayMate A+, 16000 levels auto brightness adjustment | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy J7 Duo | Xiaomi 12 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 8 Gen 1 | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | 3 GHz | Xiaomi 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) | - | Qualcomm ADRENO |
| MEMORY | Samsung Galaxy J7 Duo | Xiaomi 12 |
|---|
| RAM | 3 GB | LPDDR5 SDRAM - 8 GB | Xiaomi 12 has more RAM than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | Xiaomi 12 has more internal memory than Samsung Galaxy J7 Duo. |
| User Memory | 21.9 GB | - | |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | Samsung Galaxy J7 Duo | Xiaomi 12 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Xiaomi 12 has better camera resolution than Samsung Galaxy J7 Duo. |
| Sensor Size | - | 1/1.56" | |
| Sensor Name | - | Sony IMX766 sensor | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/1.9 | F/1.88 | Xiaomi 12 has better lens aperture than Samsung Galaxy J7 Duo. |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Xiaomi 12 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | Moving crowd, Neon trails, Oil painting, Light painting, Starry sky, Star trails | |
| Camera Modes | - | Night mode, Documents, Vlog mode, Pro Video mode, Movie frame, Night portrait mode, photo filters, Timed burst, Photo clones, Dual video mode, Ultra Night Video, Pro Time-lapse, 50MP mode | |
| 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, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 7680 x 4320 (8K) at 24 fps | |
| Camera Features (Functions) | - | HDR10+ recording, Google Lens, One-click AI cinema, HDR video recording, 2.1μm 4-in-1 Super Pixel, Xiaomi ProFocus |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 13 Megapixel | Xiaomi 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/2.4 | Samsung Galaxy J7 Duo has better second camera lens aperture than Samsung Galaxy J7 Duo. |
| Field of View (2nd Camera) | - | 123 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Tele-macro lens | |
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Focal Length Equivalent to 35mm Camera | - | 50mm | |
| Camera Features (3rd Camera) | - | AF (3cm-7cm) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 32 Megapixel | Xiaomi 12 has better front camera resolution than Samsung Galaxy J7 Duo. |
| Lens Aperture (Front) | F/1.9 | F/2.45 | Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo. |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Panoramic selfies, AI Beautify, Timed burst, Selfie Night mode, Capture Dual, Time-lapse selfie, AI portrait mode with bokeh and depth control, AI portrait video | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Front) | - | 4-in-1 to 1.4μm Super Pixel, Video HDR |
| BATTERY AND CHARGING | Samsung Galaxy J7 Duo | Xiaomi 12 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4500 mAh | Xiaomi 12 has larger battery capacity than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 39 min | |
| Wireless Charging | - | Yes | Xiaomi 12 can be charged wirelessly. |
| 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 12 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Xiaomi 12 has more advanced generation mobile network. |
| Operating System | Google Android | Android 12 | |
| User Interface | - | MIUI 13 | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, NavIC |
| COMMUNICATIONS | Samsung Galaxy J7 Duo | Xiaomi 12 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 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 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 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 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 48, Band 66 | |
| 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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3600, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n79, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 | |
| NFC | - | Yes | Xiaomi 12 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy J7 Duo | Xiaomi 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 | - | |
| Sound Enhancements | - | Harman Kardon Sound technology, Dolby Atmos sound technology |
| FEATURES | Samsung Galaxy J7 Duo | Xiaomi 12 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, flicker sensor, gyroscope, 360° ambient light sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | - | MIMO technology, linear motor, VC Liquid Cooling, Reverse wireless charging, dual stereo speakers, X-axis linear vibration motor, IR blaster, Qualcomm 7th generation AI Engine, Xiaomi AdaptiveCharge |
| OTHERS | Samsung Galaxy J7 Duo | Xiaomi 12 |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C cable, protective case, 67W charger | |
|---|---|---|---|
| Compliant Standards | - | SGS Low Blue Light Certification |
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