In depth comparison and review of Xiaomi MI Redmi 3 and Xiaomi MI A2. 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 MI Redmi 3 | Xiaomi MI A2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 139.3 mm | 158.7 mm | Xiaomi MI A2 has greater height than Xiaomi MI Redmi 3. |
| Width | 69.6 mm | 75.4 mm | Xiaomi MI A2 has greater width than Xiaomi MI Redmi 3. |
| Depth | 8.5 mm | 7.3 mm | Xiaomi MI A2 is narrower than Xiaomi MI Redmi 3. |
| Weight | 144 g | 168 g | Xiaomi MI Redmi 3 is lighter than Xiaomi MI Redmi 3. |
| Body Colour | Fashion gold | Black | Lake blue | Gold | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.639 W/kg (body), 0.963 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B | USB Type-C - 24 pin USB-C | |
| 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 MI Redmi 3 | Xiaomi MI A2 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5" | 5.99" | Xiaomi MI A2 has larger screen size than Xiaomi MI Redmi 3. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2160 x 1080 pixels | Xiaomi MI A2 has better screen resolution than Xiaomi MI Redmi 3. |
| Display Format | HD | Full HD+ | |
| Pixel Density | 294 ppi | 403 ppi | Xiaomi MI A2 has better pixel density than Xiaomi MI Redmi 3. |
| Aspect Ratio | - | 18:9 | |
| Contrast Ratio | - | 1500:1 | |
| Display Features | - | 2.5D curved glass | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI Redmi 3 | Xiaomi MI A2 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 616 | Qualcomm Snapdragon 660 | |
|---|---|---|---|
| Clock Speed | 1.5 GHz | 2.2 GHz | Xiaomi MI A2 has higher clock speed than Xiaomi MI Redmi 3. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | - |
| MEMORY | Xiaomi MI Redmi 3 | Xiaomi MI A2 |
|---|
| RAM | 1 GB | 4 GB | Xiaomi MI A2 has more RAM than Xiaomi MI Redmi 3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Xiaomi MI A2 has more internal memory than Xiaomi MI Redmi 3. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | Xiaomi MI Redmi 3 | Xiaomi MI A2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 20 Megapixel | Xiaomi MI A2 has better camera resolution than Xiaomi MI Redmi 3. |
| Sensor Size | - | 1/2.8" | |
| Sensor Name | - | Sony Exmor RS IMX376 sensor | |
| Lens Aperture | F/2.0 | F/1.75 | Xiaomi MI A2 has better lens aperture than Xiaomi MI Redmi 3. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, Beautify 4.0 | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Burst mode, Panorama, portrait mode, AI portrait mode, group selfi mode, AI Beauty | |
| Face Recognition (Face ID) | Face detection, smile detection | Face recognition | Both phones have face detection. |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, 720 x 480 (480p) at 30 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), AI Dual camera, 4-in-1 Super Pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.9" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RS IMX486 sensor | |
| Lens Aperture (2nd Camera) | - | F/1.75 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 20 Megapixel | Xiaomi MI A2 has better front camera resolution than Xiaomi MI Redmi 3. |
| Sensor Name (Front) | - | Sony Exmor RS IMX376 sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | - | Automatic | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI A2 has face detection. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | - | AI-powered portrait mode |
| BATTERY AND CHARGING | Xiaomi MI Redmi 3 | Xiaomi MI A2 |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 3010 mAh | Xiaomi MI Redmi 3 has larger battery capacity than Xiaomi MI A2. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0 | Xiaomi MI A2 has fast charging technology. |
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | Xiaomi MI Redmi 3 | Xiaomi MI A2 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.1 (Lollipop) | Android One | |
| User Interface | MIUI V7 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi MI Redmi 3 | Xiaomi MI A2 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 | 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 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | 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 | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI Redmi 3 | Xiaomi MI A2 |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, MIDI, MP4, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP |
| FEATURES | Xiaomi MI Redmi 3 | Xiaomi MI A2 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, vibration sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Infrared remote control | Wi-Fi Miracast, AI Engine |
| OTHERS | Xiaomi MI Redmi 3 | Xiaomi MI A2 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool, clear soft case, Type-C to audio converter |
|---|
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