In depth comparison and review of Xiaomi MI A2 and Fairphone 4. 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 A2 | Fairphone 4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 158.7 mm | 162 mm | Fairphone 4 has greater height than Xiaomi MI A2. |
| Width | 75.4 mm | 75.5 mm | Fairphone 4 has greater width than Xiaomi MI A2. |
| Depth | 7.3 mm | 10.5 mm | Xiaomi MI A2 is narrower than Xiaomi MI A2. |
| Weight | 168 g | 225 g | Xiaomi MI A2 is lighter than Xiaomi MI A2. |
| Body Colour | Black | Lake blue | Gold | Grey | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP54 | |
| SAR Value | 0.639 W/kg (body), 0.963 W/kg (head) | 0.494 W/kg (head), 0.993 W/kg (body), 2.916 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI A2 | Fairphone 4 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5.99" | 6.3" | Fairphone 4 has larger screen size than Xiaomi MI A2. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 2340 x 1080 pixels | Fairphone 4 has better screen resolution than Xiaomi MI A2. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 403 ppi | 410 ppi | Fairphone 4 has better pixel density than Xiaomi MI A2. |
| Aspect Ratio | 18:9 | 19.5:9 | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1500:1 | - | |
| Display Features | 2.5D curved glass | Full Lamination, Pixelworks technology | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI A2 | Fairphone 4 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 750G | |
|---|---|---|---|
| Processor Number | - | SM7225 | |
| Clock Speed | 2.2 GHz | 2.2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | Qualcomm ADRENO 619 |
| MEMORY | Xiaomi MI A2 | Fairphone 4 |
|---|
| RAM | 4 GB | 6 GB | Fairphone 4 has more RAM than Xiaomi MI A2. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Fairphone 4 has more internal memory than Xiaomi MI A2. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 2 TB |
| CAMERA | Xiaomi MI A2 | Fairphone 4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 20 Megapixel | 48 Megapixel | Fairphone 4 has better camera resolution than Xiaomi MI A2. |
| Sensor Size | 1/2.8" | 1/2" | Xiaomi MI A2 has better camera sensor size than Fairphone 4. |
| Sensor Name | Sony Exmor RS IMX376 sensor | Sony Exmor RS IMX582 sensor | |
| Lens Aperture | F/1.75 | F/1.6 | Fairphone 4 has better lens aperture than Xiaomi MI A2. |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Fairphone 4 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Special Effects | HDR, Beautify 4.0 | HDR | |
| Camera Modes | Burst mode, Panorama, portrait mode, AI portrait mode, group selfi mode, AI Beauty | Slow motion video, Pro mode, night mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI A2 has face detection. |
| Light Source | LED light | Dual LED flash | |
| Still Image Resolutions | - | 8000 x 6000 | |
| Video Resolutions | 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 | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 4000 x 3000 (4K UHD) | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Dual camera, 4-in-1 Super Pixel | Laser detection auto focus (LDAF), TOF sensor, colour sensor |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 48 Megapixel | Fairphone 4 has better second camera resolution than Xiaomi MI A2. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/2.9" | - | |
| Sensor Name (2nd Camera) | Sony Exmor RS IMX486 sensor | - | |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/1.75 | F/2.2 | Xiaomi MI A2 has better second camera lens aperture than Xiaomi MI A2. |
| Field of View (2nd Camera) | - | 120 degree(s) | |
| Pixel Size (2nd Camera) | - | 0.8 μm | |
| Camera Functions (2nd Camera) | - | Macro focus | |
| Still Image Resolutions | - | 8000 x 6000 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 25 Megapixel | Fairphone 4 has better front camera resolution than Xiaomi MI A2. |
| Sensor Size (Front) | - | 1/2.78" | |
| Sensor Name (Front) | Sony Exmor RS IMX376 sensor | Sony Exmor RS IMX576 sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | Automatic | Focus free | |
| Special Effects (Front) | - | HDR | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI A2 has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | AI-powered portrait mode | Up to 8x digital zoom, digital image stabilisation, ToF sensor, colour sensor |
| BATTERY AND CHARGING | Xiaomi MI A2 | Fairphone 4 |
|---|
| Battery Capacity (Battery Size) | 3010 mAh | 3905 mAh | Fairphone 4 has larger battery capacity than Xiaomi MI A2. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | Xiaomi MI A2 has fast charging technology. |
| Standby Time | - | 200 hours | |
| Talk Time | - | 780 minutes | |
| Run Time Details | - | Talk: up to 780 min Standby: up to 200 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | Xiaomi MI A2 | Fairphone 4 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Fairphone 4 has more advanced generation mobile network. |
| Operating System | Android One | Android 11 | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, GNSS |
| COMMUNICATIONS | Xiaomi MI A2 | Fairphone 4 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, VoWiFi, 5G NR | |
|---|---|---|---|
| 2G Band | 850 GSM, 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 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 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 12, Band 18, Band 19, Band 20, Band 28, Band 32, Band 38, Band 40, Band 41, Band 71 | |
| 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 700a, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 600 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n71, n77, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD 600, TDD TD 3700, TDD TD 3500 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 LE | |
| NFC | - | Yes | Fairphone 4 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi MI A2 | Fairphone 4 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, MIDI, MP4, AMR-WB, AMR-NB | WAV, AAC, AIFF, MP3, FLAC, AAC +, eAAC+, ALAC, OPUS, AMR-WB, AMR-NB, Vorbis, AAC-ELD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | XviD, DivX, MPEG-2, H.264, H.263, HEVC, VP9 |
| FEATURES | Xiaomi MI A2 | Fairphone 4 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, vibration sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (side) | |
| Additional Phone Features | Wi-Fi Miracast, AI Engine | MIMO technology, modular and repairable design, recycled and fair materials |
| OTHERS | Xiaomi MI A2 | Fairphone 4 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool, clear soft case, Type-C to audio converter | - | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G, IP54 |
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