Detailed comparison and review of Xiaomi Redmi S2 and Xiaomi Redmi 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 7 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 160.73 mm | 158.73 mm | Xiaomi Redmi S2 has greater height than Xiaomi Redmi 7. |
| Width | 77.26 mm | 75.58 mm | Xiaomi Redmi S2 has greater width than Xiaomi Redmi 7. |
| Depth | 8.1 mm | 8.47 mm | Xiaomi Redmi S2 is narrower than Xiaomi Redmi S2. |
| Weight | 170 g | 180 g | Xiaomi Redmi S2 is lighter than Xiaomi Redmi S2. |
| Body Colour | Grey | Blue | Rose gold | Gold | Black | Dark grey | Comet blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.577 W/kg (body), 0.429 W/kg (head) | 1.251 W/kg (body), 0.577 W/kg (head), 2.98 W/kg (limb) | |
| 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) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi Redmi S2 | Xiaomi Redmi 7 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Screen Size (Display Size) | 5.99" | 6.26" | Xiaomi Redmi 7 has larger screen size than Xiaomi Redmi S2. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 1520 x 720 pixels | Xiaomi Redmi 7 has better screen resolution than Xiaomi Redmi S2. |
| Display Format | HD+ | HD+ | |
| Pixel Density | 269 ppi | 269 ppi | Both phones have the same pixel density. |
| Aspect Ratio | 18:9 | 19:9 | |
| Max Brightness | 450 cd/m² | 450 cd/m² | Both phones have the same display brightness |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 1000:1 | 1500:1 | Xiaomi Redmi 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 | 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 7 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | Qualcomm Snapdragon 632 | |
|---|---|---|---|
| Clock Speed | - | 1.8 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 506 |
| MEMORY | Xiaomi Redmi S2 | Xiaomi Redmi 7 |
|---|
| RAM | 3 GB | LPDDR3 SDRAM - 2 GB | Xiaomi Redmi S2 has more RAM than Xiaomi Redmi 7. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | Xiaomi Redmi S2 has more internal memory than Xiaomi Redmi 7. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Xiaomi Redmi S2 | Xiaomi Redmi 7 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 12 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.2 | F/2.2 | Both phones have the same camera lens aperture. |
| Pixel Size | - | 1.25 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR, low light enhancement | HDR | |
| Camera Modes | Panorama, portrait mode, AI portrait mode | AI portrait mode, AI Beautify 4.0 | |
| 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, 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Dual camera | AI Dual camera, AI scene detection, 27 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 2 Megapixel | Xiaomi Redmi S2 has better second camera resolution than Xiaomi Redmi 7. |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 8 Megapixel | Xiaomi Redmi S2 has better front camera resolution than Xiaomi Redmi 7. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Pixel Size (Front) | - | 1.12 μm | |
| 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 4.0 | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 7 has face detection. |
| Light Source (Front) | LED flash | Display flash | |
| Camera Features (Front) | - | Selfie countdown |
| BATTERY AND CHARGING | Xiaomi Redmi S2 | Xiaomi Redmi 7 |
|---|
| Battery Capacity (Battery Size) | 3080 mAh | 4000 mAh | Xiaomi Redmi 7 has larger battery capacity than Xiaomi Redmi S2. |
|---|
| CELLULAR | Xiaomi Redmi S2 | Xiaomi Redmi 7 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| 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 Redmi 7 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, 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 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.2 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi S2 | Xiaomi Redmi 7 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, SBC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | MKV, MPEG-4, H.264, M4V |
| FEATURES | Xiaomi Redmi S2 | Xiaomi Redmi 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, distance sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Infrared remote control, Dual microphones | Infrared remote control |
| OTHERS | Xiaomi Redmi S2 | Xiaomi Redmi 7 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool, clear soft case | Protective cover, USB cable, power adapter, SIM card removal tool |
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