In depth comparison and review of OPPO A9 2020 and Xiaomi Redmi 9. 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 | Xiaomi Redmi 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH1941 | - | |
| Form Factor | Touch | Touch | |
| Height | 163.6 mm | 163.32 mm | OPPO A9 2020 has greater height than Xiaomi Redmi 9. |
| Width | 75.6 mm | 77.01 mm | Xiaomi Redmi 9 has greater width than OPPO A9 2020. |
| Depth | 9.1 mm | 9.1 mm | Both phones are the same depth. |
| Weight | 195 g | 198 g | OPPO A9 2020 is lighter than OPPO A9 2020. |
| Body Colour | Marine green | Space purple | Carbon grey | |
| Body Material | 3D glass | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb) | 1.065 W/kg (body), 0.789 W/kg (head), 2.309 W/kg (limb) | |
| Integrated Components | - | Ultra-linear speaker | |
| Connector Type | USB Type-C - 24 pin USB-C Handset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | OPPO A9 2020 | Xiaomi Redmi 9 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | TFT | - | |
| Screen Size (Display Size) | 6.5" | 6.53" | Xiaomi Redmi 9 has larger screen size than OPPO A9 2020. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2340 x 1080 pixels | Xiaomi Redmi 9 has better screen resolution than OPPO A9 2020. |
| Display Format | - | Full HD+ | |
| Pixel Density | 269 ppi | 394 ppi | Xiaomi Redmi 9 has better pixel density than OPPO A9 2020. |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | 480 cd/m² | 400 cd/m² | OPPO A9 2020 has better display brightness than Xiaomi Redmi 9. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 1500:1 | 1500:1 | Both phones have the same display contrast ratio. |
| Display Enhancement Technology | Blue light filter | Sunlight mode | |
| Display Features | In-Cell Display Technology, Sunlight screen | Colour temperature adjustment, Dot Drop display, Reading mode 2.0 | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | OPPO A9 2020 | Xiaomi Redmi 9 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 665 | MediaTek Helio G80 | |
|---|---|---|---|
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | - | Yes | Xiaomi Redmi 9 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 610 | Mali-G52 MC2 |
| MEMORY | OPPO A9 2020 | Xiaomi Redmi 9 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | OPPO A9 2020 has more internal memory than Xiaomi Redmi 9. |
| Memory Interface | UFS 2.1 | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | OPPO A9 2020 | Xiaomi Redmi 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 13 Megapixel | OPPO A9 2020 has better camera resolution than Xiaomi Redmi 9. |
| Sensor Size | 1/2.25" | - | |
| Sensor Type | CMOS | - | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/1.8 | F/2.2 | OPPO A9 2020 has better lens aperture than OPPO A9 2020. |
| Field of View (FoV) | - | 75.2 degree(s) | |
| Pixel Size | 0.8 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, Kaleidoscope | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0 | Portrait mode | |
| Light Source | LED flash | Flash | |
| 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, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Electronic Image Stabiliser (EIS) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 8 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| 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 | Xiaomi Redmi 9 has better second camera lens aperture than OPPO A9 2020. |
| Field of View (2nd Camera) | 119 degree(s) | 118 degree(s) | OPPO A9 2020 has larger second camera lens field of view than Xiaomi Redmi 9. |
| Pixel Size (2nd Camera) | 1.12 μm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 5 Megapixel | Xiaomi Redmi 9 has higher resolution third camera than OPPO A9 2020. |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/5" | - | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Pixel Size (3rd Camera) | 1.75 μm | - | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same resolution of the fourth camera. |
|---|---|---|---|
| Sensor Size (4th Camera) | 1/5" | - | |
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Pixel Size (4th Camera) | 1.75 μm | - | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 8 Megapixel | OPPO A9 2020 has better front camera resolution than Xiaomi Redmi 9. |
| Sensor Size (Front) | 1/3.1" | - | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Field of View (Front) | - | 77.8 degree(s) | |
| Pixel Size (Front) | 1 μm | - | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | AI Beauty | Portrait mode | |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Front) | - | Self-timer, Palm shutter |
| BATTERY AND CHARGING | OPPO A9 2020 | Xiaomi Redmi 9 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5020 mAh | Xiaomi Redmi 9 has larger battery capacity than OPPO A9 2020. |
|---|---|---|---|
| Standby Time | 450 hours | - | |
| Talk Time | 2700 minutes | 1860 minutes | OPPO A9 2020 has longer battery life when making calls than Xiaomi Redmi 9. |
| Run Time Details | Standby: up to 450 hrs Talk: up to 2700 min |
Talk: up to 1860 min Continuous navigation: up to 19 hrs Playback (video): up to 19 hrs Playback (Music): up to 185 hrs |
| CELLULAR | OPPO A9 2020 | Xiaomi Redmi 9 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 6.0.1 (based on Android 9) | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO A9 2020 | Xiaomi Redmi 9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 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 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 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 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | - | OPPO A9 2020 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO A9 2020 | Xiaomi Redmi 9 |
|---|
| Supported Digital Audio Standards | - | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, H.264, ASP, MP4 | |
| Sound Enhancements | Dolby Atmos sound technology, Hi-Res audio | - |
| FEATURES | OPPO A9 2020 | Xiaomi Redmi 9 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | 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, digital compass, distance sensor, infrared (IR) sensor | |
| Security Devices | Face recognition | Face recognition, fingerprint reader | |
| Additional Phone Features | Multitasking, Game Boost 2.0 | Fast Charging, AI face unlock |
| OTHERS | OPPO A9 2020 | Xiaomi Redmi 9 |
|---|
| Included Accessories | Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) | SIM card removal tool, USB-C cable, TPU case, 10W charger |
|---|
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