In depth comparison and review of Xiaomi Redmi 7A and Xiaomi MI A3. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Xiaomi Redmi 7A | Xiaomi MI A3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 146.3 mm | 153.48 mm | Xiaomi MI A3 has greater height than Xiaomi Redmi 7A. |
| Width | 70.41 mm | 71.85 mm | Xiaomi MI A3 has greater width than Xiaomi Redmi 7A. |
| Depth | 9.55 mm | 8.475 mm | Xiaomi MI A3 is narrower than Xiaomi Redmi 7A. |
| Weight | 165 g | 173.8 g | Xiaomi Redmi 7A is lighter than Xiaomi Redmi 7A. |
| Body Colour | Matte black | Kind of grey | |
| Body Material | - | Corning Gorilla Glass 5 | |
| Protection | Splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.166 W/kg (body), 0.557 W/kg (head), 2.88 W/kg (limb) | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB 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 |
| DISPLAY | Xiaomi Redmi 7A | Xiaomi MI A3 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 5.45" | 6.088" | Xiaomi MI A3 has larger screen size than Xiaomi Redmi 7A. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 1560 x 720 pixels | Xiaomi MI A3 has better screen resolution than Xiaomi Redmi 7A. |
| Display Format | HD+ | HD+ | |
| Pixel Density | 295 ppi | - | |
| Aspect Ratio | 18:9 | 19.5:9 | |
| Contrast Ratio | 1000:1 | 60000:1 | Xiaomi MI A3 has better display contrast ratio than Xiaomi Redmi 7A. |
| Display Enhancement Technology | Sunlight mode | - | |
| Display Features | Reading mode, Colour temperature adjustment, night mode | 2.5D Glass, Dot Drop display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi Redmi 7A | Xiaomi MI A3 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 439 | Qualcomm Snapdragon 665 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi 7A has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 505 | Qualcomm ADRENO 610 |
| MEMORY | Xiaomi Redmi 7A | Xiaomi MI A3 |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 4 GB | Xiaomi MI A3 has more RAM than Xiaomi Redmi 7A. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Xiaomi MI A3 has more internal memory than Xiaomi Redmi 7A. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | Up to 256 GB |
| CAMERA | Xiaomi Redmi 7A | Xiaomi MI A3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Xiaomi MI A3 has better camera resolution than Xiaomi Redmi 7A. |
| Sensor Size | - | 1/2" | |
| Lens Aperture | F/2.2 | F/1.79 | Xiaomi MI A3 has better lens aperture than Xiaomi Redmi 7A. |
| Lens Construction | - | 6-element | |
| Pixel Size | 1.25 μm | 1.6 μm | Xiaomi MI A3 has larger camera pixel size than Xiaomi Redmi 7A. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | - | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | AI portrait mode, AI Beautify 4.0 | AI portrait mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 7A has face detection. |
| Light Source | LED flash | 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 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 118 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | Xiaomi MI A3 has better front camera resolution than Xiaomi Redmi 7A. |
| Lens Aperture (Front) | - | F/2.0 | |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 79 degree(s) | |
| Pixel Size (Front) | - | 1.6 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | AI portrait mode, AI Beautify 4.0 | Selfie panorama, AI portrait mode, AI Beautify | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 7A has face detection. |
| Light Source (Front) | Display flash | - | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Selfie countdown | 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock |
| BATTERY AND CHARGING | Xiaomi Redmi 7A | Xiaomi MI A3 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4030 mAh | Xiaomi MI A3 has larger battery capacity than Xiaomi Redmi 7A. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0 | Xiaomi MI A3 has fast charging technology. |
| CELLULAR | Xiaomi Redmi 7A | Xiaomi MI A3 |
|---|
| 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 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi Redmi 7A | Xiaomi MI A3 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1900 GSM, 2100 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 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, 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 28, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, 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, FDD 700 APT, TDD 2600, TDD 2300 | |
| Wireless Interface | 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 7A | Xiaomi MI A3 |
|---|
| Supported Digital Audio Standards | AAC, PCM, AMR, MP3, FLAC, AAC +, MP4, AMR-WB, AMR-NB, WAVE | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | FLV, H.263, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP) | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 |
| FEATURES | Xiaomi Redmi 7A | Xiaomi MI A3 |
|---|
| 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor | |
| Security Devices | Face recognition | Fingerprint reader (under display) | |
| Security Technology | A.I. face recognition | - | |
| Additional Phone Features | AI face unlock | AI face unlock |
| OTHERS | Xiaomi Redmi 7A | Xiaomi MI A3 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter, SIM card removal tool, USB-C cable, soft case | |
|---|---|---|---|
| Compliant Standards | TÜV Rheinland Certified Eye-Care | - |
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