In depth comparison and review of Xiaomi Redmi 8 and OPPO A9 2020. 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 Redmi 8 | OPPO A9 2020 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH1941 | |
| Form Factor | Touch | Touch | |
| Height | 156.5 mm | 163.6 mm | OPPO A9 2020 has greater height than Xiaomi Redmi 8. |
| Width | 75.4 mm | 75.6 mm | OPPO A9 2020 has greater width than Xiaomi Redmi 8. |
| Depth | 9.4 mm | 9.1 mm | OPPO A9 2020 is narrower than Xiaomi Redmi 8. |
| Weight | - | 195 g | |
| Body Colour | Sapphire blue | Marine green | Space purple | |
| Body Material | - | 3D glass | |
| Protection | Splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.48 W/kg (body), 0.231 W/kg (head), 2.23 W/kg (limb) | 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Handset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi Redmi 8 | OPPO A9 2020 |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Display Technology | - | TFT | |
| Screen Size (Display Size) | 6.22" | 6.5" | OPPO A9 2020 has larger screen size than Xiaomi Redmi 8. |
| Screen Resolution (Display Resolution) | 1520 x 720 pixels | 1600 x 720 pixels | OPPO A9 2020 has better screen resolution than Xiaomi Redmi 8. |
| Display Format | HD+ | - | |
| Pixel Density | 270 ppi | 269 ppi | Xiaomi Redmi 8 has better pixel density than OPPO A9 2020. |
| Aspect Ratio | 19:9 | - | |
| Max Brightness | 400 cd/m² | 480 cd/m² | OPPO A9 2020 has better display brightness than Xiaomi Redmi 8. |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1500:1 | 1500:1 | Both phones have the same display contrast ratio. |
| Display Enhancement Technology | Sunlight mode | Blue light filter | |
| Display Features | Reading mode, Colour temperature adjustment, night mode, Dot Drop display | In-Cell Display Technology, Sunlight screen | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | Xiaomi Redmi 8 | OPPO A9 2020 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 439 | Qualcomm Snapdragon 665 | |
|---|---|---|---|
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | Qualcomm ADRENO 505 | Qualcomm ADRENO 610 |
| MEMORY | Xiaomi Redmi 8 | OPPO A9 2020 |
|---|
| RAM | LPDDR3 SDRAM - 3 GB | LPDDR4X SDRAM - 4 GB | OPPO A9 2020 has more RAM than Xiaomi Redmi 8. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | OPPO A9 2020 has more internal memory than Xiaomi Redmi 8. |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi 8 | OPPO A9 2020 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | OPPO A9 2020 has better camera resolution than Xiaomi Redmi 8. |
| Sensor Size | - | 1/2.25" | |
| Sensor Type | - | CMOS | |
| Lens Aperture | - | F/1.8 | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | - | |
| Camera Modes | AI portrait mode, Landscapes, Night scenes, AI Beautify 4.0 | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0 | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 8 has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 1280 x 720 (720p) at 60 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Dual camera, AI scene detection | Electronic Image Stabiliser (EIS) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 8 Megapixel | OPPO A9 2020 has better second camera resolution than Xiaomi Redmi 8. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4.0" | |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.25 | |
| Field of View (2nd Camera) | - | 119 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm |
| 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) | 8 Megapixel | 16 Megapixel | OPPO A9 2020 has better front camera resolution than Xiaomi Redmi 8. |
| Sensor Size (Front) | - | 1/3.1" | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Pixel Size (Front) | 1.12 μm | 1 μm | Xiaomi Redmi 8 has larger front camera pixel size than OPPO A9 2020. |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | AI portrait mode, AI Beautify 4.0 | AI Beauty | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 8 has face detection. |
| 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 | - |
| BATTERY AND CHARGING | Xiaomi Redmi 8 | OPPO A9 2020 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | Xiaomi Redmi 8 has fast charging technology. |
| Recharge Time (Charging Time) | 2.2 hour(s) | - | |
| Standby Time | 625 hours | 450 hours | Xiaomi Redmi 8 has longer standby time than OPPO A9 2020. |
| Talk Time | 1680 minutes | 2700 minutes | OPPO A9 2020 has longer battery life when making calls than Xiaomi Redmi 8. |
| Run Time Details | Standby: up to 625 hrs Playback (audio): up to 180.5 hrs Talk: up to 1680 min Playback (video): up to 17 hrs Navigation: up to 16.5 hrs |
Standby: up to 450 hrs Talk: up to 2700 min |
| CELLULAR | Xiaomi Redmi 8 | OPPO A9 2020 |
|---|
| 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 | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi 8 | OPPO A9 2020 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | 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 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | 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 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| NFC | - | Yes | OPPO A9 2020 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 8 | OPPO A9 2020 |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AAC +, APE (Monkey's Audio), AMR-WB, AMR-NB | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, MPEG-4, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP | - | |
| Sound Enhancements | Large speaker box | Dolby Atmos sound technology, Hi-Res audio |
| FEATURES | Xiaomi Redmi 8 | OPPO A9 2020 |
|---|
| 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, digital compass, distance sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition | |
| Additional Phone Features | Infrared remote control, notification LED, AI face unlock | Multitasking, Game Boost 2.0 |
| OTHERS | Xiaomi Redmi 8 | OPPO A9 2020 |
|---|
| Included Accessories | SIM card removal tool, USB-C cable, TPU case, 10W charger | Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) |
|---|
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