Detailed comparison and review of Xiaomi Redmi S2 and Xiaomi Redmi Note 7. 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 Redmi Note 7 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 160.73 mm | 159.21 mm | Xiaomi Redmi S2 has greater height than Xiaomi Redmi Note 7. |
| Width | 77.26 mm | 75.21 mm | Xiaomi Redmi S2 has greater width than Xiaomi Redmi Note 7. |
| Depth | 8.1 mm | 8.1 mm | Both phones are the same depth. |
| Weight | 170 g | 186 g | Xiaomi Redmi S2 is lighter than Xiaomi Redmi S2. |
| Body Colour | Grey | Blue | Rose gold | Gold | Black | Dark grey | Space black | Neptune blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.577 W/kg (body), 0.429 W/kg (head) | 1.274 W/kg (body), 0.591 W/kg (head), 2.885 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 Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi Redmi S2 | Xiaomi Redmi Note 7 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Screen Size (Display Size) | 5.99" | 6.3" | Xiaomi Redmi Note 7 has larger screen size than Xiaomi Redmi S2. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 2340 x 1080 pixels | Xiaomi Redmi Note 7 has better screen resolution than Xiaomi Redmi S2. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 269 ppi | 409 ppi | Xiaomi Redmi Note 7 has better pixel density than Xiaomi Redmi S2. |
| Aspect Ratio | 18:9 | 19:9 | |
| Max Brightness | 450 cd/m² | 500 cd/m² | Xiaomi Redmi Note 7 has better display brightness than Xiaomi Redmi S2. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 1000:1 | 1500:1 | Xiaomi Redmi Note 7 has better display contrast ratio than Xiaomi Redmi S2. |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Features | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | Night Display, Reading mode, Colour temperature adjustment, Dot Drop display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi Redmi S2 | Xiaomi Redmi Note 7 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | Qualcomm Snapdragon 660 AIE | |
|---|---|---|---|
| Clock Speed | - | 2.2 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | Qualcomm ADRENO 512 |
| MEMORY | Xiaomi Redmi S2 | Xiaomi Redmi Note 7 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 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. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi S2 | Xiaomi Redmi Note 7 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Xiaomi Redmi Note 7 has better camera resolution than Xiaomi Redmi S2. |
| Lens Aperture | F/2.2 | F/1.8 | Xiaomi Redmi Note 7 has better lens aperture than Xiaomi Redmi S2. |
| Pixel Size | - | 1.6 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR, low light enhancement | HDR, low light enhancement | |
| HDR Mode | - | Auto HDR mode | |
| Camera Modes | Panorama, portrait mode, AI portrait mode | Burst mode, Panorama, AI portrait mode | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Light Source | LED flash | 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, 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 120 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Dual camera | Phase Detect Auto-Focus (PDAF), EIS video stabilisation, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, 27 different scenes, AI portrait mode with background blurring |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 5 Megapixel | Both phones have the same second camera resolution. |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 13 Megapixel | Xiaomi Redmi S2 has better front camera resolution than Xiaomi Redmi Note 7. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | - | |
| Special Effects (Front) | Precise bokeh effect, AI Beautify 4.0 | HDR | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Wide selfie mode | AI portrait mode, AI Beautify | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 7 has face detection. |
| Light Source (Front) | LED flash | - | |
| Camera Features (Front) | - | Self-timer, AI background bluring, AI scene detection, 12 different scenes |
| BATTERY AND CHARGING | Xiaomi Redmi S2 | Xiaomi Redmi Note 7 |
|---|
| Battery Capacity (Battery Size) | 3080 mAh | 4000 mAh | Xiaomi Redmi Note 7 has larger battery capacity than Xiaomi Redmi S2. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0 | Xiaomi Redmi Note 7 has fast charging technology. |
| Standby Time | - | 251 hours | |
| Talk Time | - | 1380 minutes | |
| Run Time Details | - | Talk: up to 1380 min Standby: up to 251 hrs Playback (video): up to 13 hrs Gaming: up to 7 hrs |
| CELLULAR | Xiaomi Redmi S2 | Xiaomi Redmi Note 7 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 9.0 Pie | |
| User Interface | MIUI 9 | MIUI 10 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi Redmi S2 | Xiaomi Redmi Note 7 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 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 20, Band 38, Band 40 | |
| 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 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi S2 | Xiaomi Redmi Note 7 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | MKV, XviD, MPEG-4, H.264, M4V, ASP |
| FEATURES | Xiaomi Redmi S2 | Xiaomi Redmi Note 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, ambient light sensor, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, digital compass, gyro sensor, distance sensor, vibration sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Infrared remote control, Dual microphones | Infrared remote control, Dual microphones |
| OTHERS | Xiaomi Redmi S2 | Xiaomi Redmi Note 7 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool, clear soft case | USB cable, power adapter, SIM card removal tool, transparent soft case |
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