Detailed comparison and review of Xiaomi Redmi S2 and Xiaomi MI Mix 3. 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 | Xiaomi Redmi S2 | Xiaomi MI Mix 3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch slider | |
| Height | 160.73 mm | 157.89 mm | Xiaomi Redmi S2 has greater height than Xiaomi MI Mix 3. |
| Width | 77.26 mm | 74.69 mm | Xiaomi Redmi S2 has greater width than Xiaomi MI Mix 3. |
| Depth | 8.1 mm | 8.46 mm | Xiaomi Redmi S2 is narrower than Xiaomi Redmi S2. |
| Weight | 170 g | 218 g | Xiaomi Redmi S2 is lighter than Xiaomi Redmi S2. |
| Body Colour | Grey | Blue | Rose gold | Gold | Black | Dark grey | Sapphire blue | Jade green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.577 W/kg (body), 0.429 W/kg (head) | 1.568 W/kg (body), 1.448 W/kg (head) | |
| 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) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi Redmi S2 | Xiaomi MI Mix 3 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 5.99" | 6.39" | Xiaomi MI Mix 3 has larger screen size than Xiaomi Redmi S2. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 2340 x 1080 pixels | Xiaomi MI Mix 3 has better screen resolution than Xiaomi Redmi S2. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 269 ppi | 403 ppi | Xiaomi MI Mix 3 has better pixel density than Xiaomi Redmi S2. |
| Aspect Ratio | 18:9 | 19.5:9 | |
| Max Brightness | 450 cd/m² | 600 cd/m² | Xiaomi MI Mix 3 has better display brightness than Xiaomi Redmi S2. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 1000:1 | 60000:1 | Xiaomi MI Mix 3 has better display contrast ratio than Xiaomi Redmi S2. |
| HDR | - | Yes | Xiaomi MI Mix 3 has HDR. |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Features | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | Always-on display, Reading mode, Colour temperature adjustment, night mode |
| PROCESSOR | Xiaomi Redmi S2 | Xiaomi MI Mix 3 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | Qualcomm Snapdragon 845 AIE | |
|---|---|---|---|
| Clock Speed | - | 2.8 GHz | |
| Processor Core Qty | 8-core | - | |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | Qualcomm ADRENO 630 |
| MEMORY | Xiaomi Redmi S2 | Xiaomi MI Mix 3 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 6 GB | Xiaomi MI Mix 3 has more RAM than Xiaomi Redmi S2. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Xiaomi MI Mix 3 has more internal memory than Xiaomi Redmi S2. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | Xiaomi Redmi S2 | Xiaomi MI Mix 3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 12 Megapixel | Both phones have the same camera resolution. |
| Sensor Name | - | Sony Exmor RS IMX363 sensor | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.2 | F/1.8 | Xiaomi MI Mix 3 has better lens aperture than Xiaomi Redmi S2. |
| Optical Image Stabiliser (OIS) | - | 4-axis OIS (Optical Image Stabilisation) | Xiaomi MI Mix 3 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR, low light enhancement | HDR | |
| Camera Modes | Panorama, portrait mode, AI portrait mode | Panorama, AI Beautify, Nightscape capture mode | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Light Source | LED flash | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1920 x 1080 (1080p) at 960 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Dual camera | Dual Pixel Phase Detect Auto-Focus (PDAF), AI scene and object detection, AI Dual camera, AI dynamic bokeh, AI studio lighting, AI Super Resolution, AI special effects |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 12 Megapixel | Xiaomi MI Mix 3 has better second camera resolution than Xiaomi Redmi S2. |
|---|---|---|---|
| Sensor Name (2nd Camera) | - | Samsung S5K3M3+ |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 24 Megapixel | Xiaomi MI Mix 3 has better front camera resolution than Xiaomi Redmi S2. |
| Sensor Name (Front) | - | Sony Exmor RS IMX576 sensor | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | - | |
| Special Effects (Front) | Precise bokeh effect, AI Beautify 4.0 | Magic mirror | |
| HDR Mode (Front) | Auto HDR mode | Auto HDR mode | |
| Camera Modes (Front) | Wide selfie mode | Bokeh Mode, AI makeup | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI Mix 3 has face detection. |
| Light Source (Front) | LED flash | - | |
| Camera Features (Front) | - | AI portrait mode, Video Beautify, AI scene detection, AI dynamic bokeh, AI studio lighting, AI real-time video background blurring, AI eye light |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Name (2nd Front) | - | OC0A10 |
| BATTERY AND CHARGING | Xiaomi Redmi S2 | Xiaomi MI Mix 3 |
|---|
| Battery Capacity (Battery Size) | 3080 mAh | 3200 mAh | Xiaomi MI Mix 3 has larger battery capacity than Xiaomi Redmi S2. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Qualcomm Quick Charge 4.0+ | Xiaomi MI Mix 3 has fast charging technology. |
| Wireless Charging | - | Yes | Xiaomi MI Mix 3 can be charged wirelessly. |
| Wireless Charging Standards | - | Qi |
| CELLULAR | Xiaomi Redmi S2 | Xiaomi MI Mix 3 |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| User Interface | MIUI 9 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Xiaomi Redmi S2 | Xiaomi MI Mix 3 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 8, Band 9, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1800, 1700, 850, 800, 900, 1700, 800 | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | 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 29, Band 30, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 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 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 700d, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| NFC | - | Yes | Xiaomi MI Mix 3 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi S2 | Xiaomi MI Mix 3 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP |
| FEATURES | Xiaomi Redmi S2 | Xiaomi MI Mix 3 |
|---|
| 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 | Accelerometer, ambient light sensor, digital compass, gyro sensor, vibration sensor, ultrasonic distance sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Infrared remote control, Dual microphones | MIMO technology, MU-MIMO technology |
| OTHERS | Xiaomi Redmi S2 | Xiaomi MI Mix 3 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool, clear soft case | Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable, Xiaomi wireless charger |
|---|
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