In depth comparison and review of OPPO A9 2020 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 | OPPO A9 2020 | Fairphone 4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH1941 | - | |
| Form Factor | Touch | Touch | |
| Height | 163.6 mm | 162 mm | OPPO A9 2020 has greater height than Fairphone 4. |
| Width | 75.6 mm | 75.5 mm | OPPO A9 2020 has greater width than Fairphone 4. |
| Depth | 9.1 mm | 10.5 mm | OPPO A9 2020 is narrower than OPPO A9 2020. |
| Weight | 195 g | 225 g | OPPO A9 2020 is lighter than OPPO A9 2020. |
| Body Colour | Marine green | Space purple | Grey | |
| Body Material | 3D glass | - | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP54 | |
| SAR Value | 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb) | 0.494 W/kg (head), 0.993 W/kg (body), 2.916 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C Handset 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 | OPPO A9 2020 | Fairphone 4 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | TFT | IPS | |
| Screen Size (Display Size) | 6.5" | 6.3" | OPPO A9 2020 has larger screen size than Fairphone 4. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2340 x 1080 pixels | Fairphone 4 has better screen resolution than OPPO A9 2020. |
| Display Format | - | Full HD+ | |
| Pixel Density | 269 ppi | 410 ppi | Fairphone 4 has better pixel density than OPPO A9 2020. |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | 480 cd/m² | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 1500:1 | - | |
| Display Enhancement Technology | Blue light filter | - | |
| Display Features | In-Cell Display Technology, Sunlight screen | Full Lamination, Pixelworks technology | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | OPPO A9 2020 | Fairphone 4 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 665 | Qualcomm Snapdragon 750G | |
|---|---|---|---|
| Processor Number | - | SM7225 | |
| Clock Speed | - | 2.2 GHz | |
| Processor Core Qty | - | 8-core | |
| Graphics System (GPU) | Qualcomm ADRENO 610 | Qualcomm ADRENO 619 |
| MEMORY | OPPO A9 2020 | Fairphone 4 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 6 GB | Fairphone 4 has more RAM than OPPO A9 2020. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| Memory Interface | UFS 2.1 | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 2 TB |
| CAMERA | OPPO A9 2020 | Fairphone 4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | 1/2.25" | 1/2" | OPPO A9 2020 has better camera sensor size than Fairphone 4. |
| Sensor Type | CMOS | - | |
| Sensor Name | - | Sony Exmor RS IMX582 sensor | |
| Lens Aperture | F/1.8 | F/1.6 | Fairphone 4 has better lens aperture than OPPO A9 2020. |
| Pixel Size | 0.8 μm | 0.8 μm | Both phones have the same camera pixel size. |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Fairphone 4 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Special Effects | - | HDR | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0 | Slow motion video, Pro mode, night mode | |
| Light Source | LED flash | 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 | 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) | Electronic Image Stabiliser (EIS) | Laser detection auto focus (LDAF), TOF sensor, colour sensor |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 48 Megapixel | Fairphone 4 has better second camera resolution than OPPO A9 2020. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/4.0" | - | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.25 | F/2.2 | Fairphone 4 has better second camera lens aperture than OPPO A9 2020. |
| Field of View (2nd Camera) | 119 degree(s) | 120 degree(s) | Fairphone 4 has larger second camera lens field of view than OPPO A9 2020. |
| Pixel Size (2nd Camera) | 1.12 μm | 0.8 μm | OPPO A9 2020 has larger second camera pixel size than Fairphone 4. |
| Camera Functions (2nd Camera) | - | Macro focus | |
| Still Image Resolutions | - | 8000 x 6000 |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/5" | - | |
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Pixel Size (3rd Camera) | 1.75 μm | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Size (4th Camera) | 1/5" | - | |
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Pixel Size (4th Camera) | 1.75 μm | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 25 Megapixel | Fairphone 4 has better front camera resolution than OPPO A9 2020. |
| Sensor Size (Front) | 1/3.1" | 1/2.78" | OPPO A9 2020 has better front camera sensor size than Fairphone 4. |
| Sensor Name (Front) | - | Sony Exmor RS IMX576 sensor | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OPPO A9 2020 has better front lens aperture than OPPO A9 2020. |
| Pixel Size (Front) | 1 μm | - | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | AI Beauty | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | - | Up to 8x digital zoom, digital image stabilisation, ToF sensor, colour sensor |
| BATTERY AND CHARGING | OPPO A9 2020 | Fairphone 4 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 3905 mAh | OPPO A9 2020 has larger battery capacity than Fairphone 4. |
|---|---|---|---|
| Standby Time | 450 hours | 200 hours | OPPO A9 2020 has longer standby time than Fairphone 4. |
| Talk Time | 2700 minutes | 780 minutes | OPPO A9 2020 has longer battery life when making calls than Fairphone 4. |
| Run Time Details | Standby: up to 450 hrs Talk: up to 2700 min |
Talk: up to 780 min Standby: up to 200 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | OPPO A9 2020 | Fairphone 4 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Fairphone 4 has more advanced generation mobile network. |
| Operating System | ColorOS 6.0.1 (based on Android 9) | Android 11 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, GNSS |
| COMMUNICATIONS | OPPO A9 2020 | 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 6, Band 8, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41 | 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 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, 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 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 | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 LE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO A9 2020 | Fairphone 4 |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, AIFF, MP3, FLAC, AAC +, eAAC+, ALAC, OPUS, AMR-WB, AMR-NB, Vorbis, AAC-ELD | |
|---|---|---|---|
| Supported Digital Video Standards | - | XviD, DivX, MPEG-2, H.264, H.263, HEVC, VP9 | |
| Sound Enhancements | Dolby Atmos sound technology, Hi-Res audio | - |
| FEATURES | OPPO A9 2020 | Fairphone 4 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Face recognition | Fingerprint reader (side) | |
| Additional Phone Features | Multitasking, Game Boost 2.0 | MIMO technology, modular and repairable design, recycled and fair materials |
| OTHERS | OPPO A9 2020 | Fairphone 4 |
|---|
| Included Accessories | Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) | - | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G, IP54 |
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