Detailed comparison and review of Fairphone 3 and Realme C31. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Fairphone 3 | Realme C31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | RMX3501 | |
| Form Factor | Touch | Touch | |
| Height | 158 mm | 164.7 mm | Realme C31 has greater height than Fairphone 3. |
| Width | 71.8 mm | 76.1 mm | Realme C31 has greater width than Fairphone 3. |
| Depth | 9.83 mm | 8.4 mm | Realme C31 is narrower than Fairphone 3. |
| Weight | 189 g | 197 g | Fairphone 3 is lighter than Fairphone 3. |
| Body Colour | Dark translucent | Light silver | Dark green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.405 W/kg (body), 0.388 W/kg (head) | 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Fairphone 3 | Realme C31 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5.65" | 6.5" | Realme C31 has larger screen size than Fairphone 3. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 1600 x 720 pixels | Fairphone 3 has better screen resolution than Realme C31. |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 427 ppi | - | |
| Aspect Ratio | 18:9 | 20:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | - | Ultra-clear View | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | Fairphone 3 | Realme C31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 632 | Unisoc | |
|---|---|---|---|
| Processor Number | - | T612 | |
| Clock Speed | 1.8 GHz | 1.82 GHz | Realme C31 has higher clock speed than Fairphone 3. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | ARM Mali-G57 |
| MEMORY | Fairphone 3 | Realme C31 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Fairphone 3 | Realme C31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Realme C31 has better camera resolution than Fairphone 3. |
| Sensor Size | 1/2.55" | - | |
| Sensor Name | Sony Exmor RS IMX363 sensor | - | |
| Lens Aperture | F/1.8 | F/2.2 | Fairphone 3 has better lens aperture than Fairphone 3. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Special Effects | - | HDR | |
| Camera Modes | - | Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Functions) | Dual Phase Detect Auto-Focus (PDAF), digital image stabilisation | AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | - | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 0.3 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.8 | |
| Camera Functions (3rd Camera) | - | B&W lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | Fairphone 3 has better front camera resolution than Realme C31. |
| Sensor Size (Front) | 1/4" | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Fairphone 3 has better front lens aperture than Fairphone 3. |
| Lens Element Qty (Front) | - | 3-element | |
| Special Effects (Front) | HDR | HDR | |
| Camera Modes (Front) | - | Beauty mode, Filter mode | |
| Video Resolutions (Front) | - | 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Front) | Up to 8x digital zoom, digital image stabilisation | AI Selfie |
| BATTERY AND CHARGING | Fairphone 3 | Realme C31 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5000 mAh | Realme C31 has larger battery capacity than Fairphone 3. |
|---|---|---|---|
| Recharge Time (Charging Time) | 3.5 hour(s) | - | |
| Standby Time | 300 hours | - | |
| Talk Time | 1200 minutes | - | |
| Run Time Details | Talk: up to 1200 min Standby: up to 300 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Fairphone 3 | Realme C31 |
|---|
| 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 | Android 11 | |
| User Interface | - | Realme UI (R Edition) | |
| Navigation | GPS, A-GPS, GLONASS, Galileo | GPS, A-GPS, BeiDou, Galileo |
| COMMUNICATIONS | Fairphone 3 | Realme C31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, VoWiFi | GPRS, EDGE, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 13, Band 20, Band 26 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700c, FDD 800 DD, FDD 850+ | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | - | Fairphone 3 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Fairphone 3 | Realme C31 |
|---|
| Supported Digital Audio Standards | 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 | VC-1, MPEG-4, DivX, MPEG-2, H.264, H.263, HEVC, VP8, VP9 | - |
| FEATURES | Fairphone 3 | Realme C31 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyro sensor | Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (side) | |
| Additional Phone Features | MIMO technology, modular and repairable design, recycled and fair materials | MIMO technology, Ultra Power Saving Mode, Fast Charging |
| OTHERS | Fairphone 3 | Realme C31 |
|---|
| Included Accessories | Bumper, mini screwdriver | SIM card removal tool, 10W charger, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
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