Side by side comparison and review of Xiaomi Redmi 3S and Xiaomi Redmi 7A. 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 | Xiaomi Redmi 3S | Xiaomi Redmi 7A |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 139.3 mm | 146.3 mm | Xiaomi Redmi 7A has greater height than Xiaomi Redmi 3S. |
| Width | 69.6 mm | 70.41 mm | Xiaomi Redmi 7A has greater width than Xiaomi Redmi 3S. |
| Depth | 8.5 mm | 9.55 mm | Xiaomi Redmi 3S is narrower than Xiaomi Redmi 3S. |
| Weight | 144 g | 165 g | Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S. |
| Body Colour | Gold | Matte black | |
| Body Material | Metal | - | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.43 W/kg (body), 0.62 W/kg (head) | 1.166 W/kg (body), 0.557 W/kg (head), 2.88 W/kg (limb) | |
| Integrated Components | - | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B | Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi Redmi 3S | Xiaomi Redmi 7A |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Screen Size (Display Size) | 5" | 5.45" | Xiaomi Redmi 7A has larger screen size than Xiaomi Redmi 3S. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1440 x 720 pixels | Xiaomi Redmi 7A has better screen resolution than Xiaomi Redmi 3S. |
| Display Format | HD | HD+ | |
| Pixel Density | - | 295 ppi | |
| Aspect Ratio | - | 18:9 | |
| Contrast Ratio | - | 1000:1 | |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Features | - | Reading mode, Colour temperature adjustment, night mode |
| PROCESSOR | Xiaomi Redmi 3S | Xiaomi Redmi 7A |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 430 | Qualcomm Snapdragon 439 | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | 2 GHz | Xiaomi Redmi 7A has higher clock speed than Xiaomi Redmi 3S. |
| 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 505 | Qualcomm ADRENO 505 |
| MEMORY | Xiaomi Redmi 3S | Xiaomi Redmi 7A |
|---|
| RAM | 2 GB | 2 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 16 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi 3S | Xiaomi Redmi 7A |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | Xiaomi Redmi 3S has better camera resolution than Xiaomi Redmi 7A. |
| Lens Aperture | F/2.0 | F/2.2 | Xiaomi Redmi 3S has better lens aperture than Xiaomi Redmi 3S. |
| Lens Construction | 5-element | - | |
| Pixel Size | - | 1.25 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | HDR | |
| HDR Mode | - | Auto HDR mode | |
| Camera Modes | Panorama, manual mode | AI portrait mode, AI Beautify 4.0 | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 7A has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.2 | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | Beautify Selfie mode | AI portrait mode, AI Beautify 4.0 | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | - | Selfie countdown |
| BATTERY AND CHARGING | Xiaomi Redmi 3S | Xiaomi Redmi 7A |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 4000 mAh | Xiaomi Redmi 3S has larger battery capacity than Xiaomi Redmi 7A. |
|---|
| CELLULAR | Xiaomi Redmi 3S | Xiaomi Redmi 7A |
|---|
| 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 V7 | MIUI 9 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi 3S | Xiaomi Redmi 7A |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 900 GSM, 1900 GSM | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 3, Band 5, 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 1800+, FDD 850, 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 | IEEE 802.11b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.2 | |
| Bluetooth Profiles | HID | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 3S | Xiaomi Redmi 7A |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI | AAC, PCM, AMR, MP3, FLAC, AAC +, MP4, AMR-WB, AMR-NB, WAVE | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, ASF, DivX, MPEG-2, H.264, H.263, M4V, VP8, Sorenson Spark | FLV, H.263, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP) |
| FEATURES | Xiaomi Redmi 3S | Xiaomi Redmi 7A |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | - | Face recognition | |
| Security Technology | - | A.I. face recognition | |
| Additional Phone Features | Infrared remote control, Reading mode | AI face unlock |
| OTHERS | Xiaomi Redmi 3S | Xiaomi Redmi 7A |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | - | TÜV Rheinland Certified Eye-Care |
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