In depth comparison and review of Xiaomi MI 4i and Fairphone 3. 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 4i | Fairphone 3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 138.1 mm | 158 mm | Fairphone 3 has greater height than Xiaomi MI 4i. |
| Width | 69.6 mm | 71.8 mm | Fairphone 3 has greater width than Xiaomi MI 4i. |
| Depth | 7.8 mm | 9.83 mm | Xiaomi MI 4i is narrower than Xiaomi MI 4i. |
| Weight | 130 g | 189 g | Xiaomi MI 4i is lighter than Xiaomi MI 4i. |
| Body Colour | Black | Dark grey | White | Dark translucent | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.29 W/kg | 1.405 W/kg (body), 0.388 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI 4i | Fairphone 3 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5" | 5.65" | Fairphone 3 has larger screen size than Xiaomi MI 4i. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2160 x 1080 pixels | Fairphone 3 has better screen resolution than Xiaomi MI 4i. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 441 ppi | 427 ppi | Xiaomi MI 4i has better pixel density than Fairphone 3. |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Protection (Screen Protector) | Corning Concore Glass | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI 4i | Fairphone 3 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 632 | |
|---|---|---|---|
| Clock Speed | 1.7 GHz | 1.8 GHz | Fairphone 3 has higher clock speed than Xiaomi MI 4i. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi MI 4i has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | Qualcomm ADRENO 506 |
| MEMORY | Xiaomi MI 4i | Fairphone 3 |
|---|
| RAM | 2 GB | 4 GB | Fairphone 3 has more RAM than Xiaomi MI 4i. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Fairphone 3 has more internal memory than Xiaomi MI 4i. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC |
| CAMERA | Xiaomi MI 4i | Fairphone 3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | Xiaomi MI 4i has better camera resolution than Fairphone 3. |
| Sensor Size | - | 1/2.55" | |
| Sensor Name | - | Sony Exmor RS IMX363 sensor | |
| Lens Aperture | F/2.0 | F/1.8 | Fairphone 3 has better lens aperture than Xiaomi MI 4i. |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, manual mode | - | |
| Face Recognition (Face ID) | Face detection, smile detection | - | Xiaomi MI 4i has face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps | |
| Camera Features (Functions) | - | Dual Phase Detect Auto-Focus (PDAF), digital image stabilisation |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Fairphone 3 has better front camera resolution than Xiaomi MI 4i. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.8 | F/2.0 | Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i. |
| Lens Element Qty (Front) | 5-element | - | |
| Special Effects (Front) | - | HDR | |
| Camera Features (Front) | - | Up to 8x digital zoom, digital image stabilisation |
| BATTERY AND CHARGING | Xiaomi MI 4i | Fairphone 3 |
|---|
| Battery Capacity (Battery Size) | 3120 mAh | 3000 mAh | Xiaomi MI 4i has larger battery capacity than Fairphone 3. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 3.5 hour(s) | |
| Standby Time | - | 300 hours | |
| Talk Time | 2100 minutes | 1200 minutes | Xiaomi MI 4i has longer battery life when making calls than Fairphone 3. |
| Run Time Details | Talk (WCDMA): up to 2100 min | Talk: up to 1200 min Standby: up to 300 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | Xiaomi MI 4i | Fairphone 3 |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.0.2 (Lollipop) | Android 9.0 Pie | |
| User Interface | MIUI V6 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | Xiaomi MI 4i | Fairphone 3 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, VoWiFi | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | 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 13, Band 20, Band 26 | |
| 4G LTE Frequency | 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 700c, FDD 800 DD, FDD 850+ | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | A2DP, HID | - | |
| NFC | - | Yes | Fairphone 3 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI 4i | Fairphone 3 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | AAC, AIFF, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), WMA v10, WMA v9, WMA Lossless 9, WMA 10 Pro, ALAC, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, DivX, H.264 | VC-1, MPEG-4, DivX, MPEG-2, H.264, H.263, HEVC, VP8, VP9 |
| FEATURES | Xiaomi MI 4i | Fairphone 3 |
|---|
| 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, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyro sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | MIMO technology, Active noise-cancellation | MIMO technology, modular and repairable design, recycled and fair materials |
| OTHERS | Xiaomi MI 4i | Fairphone 3 |
|---|
| Included Accessories | Power adapter | Bumper, mini screwdriver |
|---|
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