In depth comparison and review of Realme C21 and Fairphone 5. 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 | Realme C21 | Fairphone 5 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 161.6 mm | Realme C21 has greater height than Fairphone 5. |
| Width | 76.4 mm | 75.83 mm | Realme C21 has greater width than Fairphone 5. |
| Depth | 8.9 mm | 9.6 mm | Realme C21 is narrower than Realme C21. |
| Weight | 190 g | 212 g | Realme C21 is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Sky blue | Transparent | Matte black | |
| Body Material | - | 100% post-consumer recycled plastic | |
| Protection | - | Splash-resistant, dust-resistant, shock-resistant | |
| Waterproof (Water-resistant) | - | - | Fairphone 5 is waterproof. |
| IP rating | - | IP55 | |
| Connector Type | Micro-USB Headset jack - mini-phone 3.5mm |
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 | Realme C21 | Fairphone 5 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LCD | OLED | |
| Screen Size (Display Size) | 6.5" | 6.46" | Realme C21 has larger screen size than Fairphone 5. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2700 x 1224 pixels | Fairphone 5 has better screen resolution than Realme C21. |
| Display Format | HD+ | Full HD+ | |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | 420 cd/m² | 880 cd/m² | Fairphone 5 has better display brightness than Realme C21. |
| Colour Depth | - | 1.07 billion colours | |
| Contrast Ratio | - | 1000000:1 | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 300 Hz | |
| Display Features | Mini-drop display | Wide colour display (P3), Adaptive Tone, Pixelworks technology | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Realme C21 | Fairphone 5 |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | Qualcomm | |
|---|---|---|---|
| Processor Number | - | QCM6490 | |
| Clock Speed | 2.3 GHz | 2.7 GHz | Fairphone 5 has higher clock speed than Realme C21. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | PowerVR GE8320 | Qualcomm ADRENO 643 |
| MEMORY | Realme C21 | Fairphone 5 |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | 8 GB | Fairphone 5 has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | Fairphone 5 has more internal memory than Realme C21. |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSDHC, microSD, microSDXC - up to 2 TB |
| CAMERA | Realme C21 | Fairphone 5 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Fairphone 5 has better camera resolution than Realme C21. |
| Sensor Size | - | 1/1.49" | |
| Sensor Name | - | Sony IMX800 sensor | |
| Lens Aperture | F/2.2 | F/1.88 | Fairphone 5 has better lens aperture than Realme C21. |
| Lens Construction | 5-element | 6-element | |
| Pixel Size | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Fairphone 5 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 10 cm | |
| Focal Length Equivalent to 35mm Camera | - | 26mm | |
| Digital Zoom | 4x | 8x | Fairphone 5 has better digital zoom than Realme C21. |
| Special Effects | HDR | - | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | Panorama, Slow motion mode, Pro mode, Portrait, Super Night mode, Stop-Motion Video Mode, High-Pixel Mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 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 | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | 4-in-1 pixel binning, OIS+EIS dual stabilisation |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 50 Megapixel | Fairphone 5 has better second camera resolution than Realme C21. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.51" | |
| Sensor Name (2nd Camera) | - | Sony IMX858 Sensor | |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Fairphone 5 has better second camera lens aperture than Realme C21. |
| Lens Element Qty (2nd Camera) | 3-element | 6-element | |
| Pixel Size (2nd Camera) | - | 0.7 μm | |
| Focal Length Equivalent to 35mm Camera | - | 13mm | |
| Camera Functions (2nd Camera) | B&W lens | Autofocus | |
| Camera Modes (2nd Camera) | - | Macro mode | |
| Camera Features (2nd Camera) | - | Electronic Image Stabiliser (EIS), 2.5cm macro photography, 4-in-1 pixel binning |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | 4cm macro photography | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 50 Megapixel | Fairphone 5 has better front camera resolution than Realme C21. |
| Sensor Size (Front) | - | 1/2.76" | |
| Sensor Name (Front) | - | Samsung JN1 | |
| Lens Aperture (Front) | F/2.2 | F/2.45 | Realme C21 has better front lens aperture than Realme C21. |
| Lens Element Qty (Front) | 3-element | - | |
| Pixel Size (Front) | - | 0.64 μm | |
| Focus Adjustment | - | Focus free | |
| Focal Length Equivalent to 35mm Camera | - | 22mm | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | - | |
| Face Recognition (Face ID) | Face recognition | - | Realme C21 has face detection. |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | Electronic Image Stabiliser (EIS), 4-in-1 Pixel technology, up to 1.5x digital zoom |
| BATTERY AND CHARGING | Realme C21 | Fairphone 5 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4200 mAh | Realme C21 has larger battery capacity than Fairphone 5. |
|---|---|---|---|
| Standby Time | - | 459 hours | |
| Talk Time | - | 2280 minutes | |
| Run Time Details | - | Talk: up to 2280 min Standby: up to 459 hrs Continuous browsing: up to 18 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Realme C21 | Fairphone 5 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Fairphone 5 has more advanced generation mobile network. |
| Operating System | Android 10 | Android 13 | |
| User Interface | Realme UI | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Realme C21 | Fairphone 5 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | LTE, 5G NR, HSDPA+ | |
|---|---|---|---|
| 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 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 32, Band 38, Band 40, Band 41, Band 42, Band 48, Band 66, Band 71 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, TDD 3500, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n71, n77, n78, n48 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, FDD 600, TDD TD 3700, TDD TD 3500, TDD 3500 | |
| Wireless Interface | IEEE 802.11b/g/n | Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 LE | |
| NFC | - | Yes | Fairphone 5 has NFC reader for mobile payments. |
| MEDIA | Realme C21 | Fairphone 5 |
|---|
| Supported Digital Audio Standards | - | AAC, apt-X, LDAC, SBC, apt-X HD |
|---|
| FEATURES | Realme C21 | Fairphone 5 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, magnetometer, light sensor | Accelerometer, proximity sensor, magnetometer, Time of Flight (ToF), light sensor, gyroscope, compass | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | OTG Reverse Charge, modular and repairable design, recycled and fair materials, DisplayPort over USB Type-C, 8 years of software upgrades | |
| Android Enterprise Recommended | - | Yes |
| OTHERS | Realme C21 | Fairphone 5 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | - | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | IP55, MIL-STD-810H, ICE 60058-2-31 | |
| Product Recycled Content | - | 70 % - fair focus or recycled materials | |
| Max Height of Shock Resistance | - | 1.8 m |
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