In depth comparison and review of Xiaomi Redmi Note 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 Note 8 | OPPO A9 2020 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | CPH1941 | |
Form Factor | Touch | Touch | |
Height | 158.3 mm | 163.6 mm | OPPO A9 2020 has greater height than Xiaomi Redmi Note 8. |
Width | 75.3 mm | 75.6 mm | OPPO A9 2020 has greater width than Xiaomi Redmi Note 8. |
Depth | 8.35 mm | 9.1 mm | Xiaomi Redmi Note 8 is narrower than Xiaomi Redmi Note 8. |
Weight | 190 g | 195 g | Xiaomi Redmi Note 8 is lighter than Xiaomi Redmi Note 8. |
Body Colour | Moonlight white | Space black | Neptune blue | Marine green | Space purple | |
Body Material | Corning Gorilla Glass 5 | 3D glass | |
Protection | Splash-resistant | - | |
Waterproof (Water-resistant) | - | - | |
SAR Value | - | 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb) | |
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 |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | Xiaomi Redmi Note 8 | OPPO A9 2020 |
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Display Type | LCD display | LCD display | |
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Display Technology | - | TFT | |
Screen Size (Display Size) | 6.3" | 6.5" | OPPO A9 2020 has larger screen size than Xiaomi Redmi Note 8. |
Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1600 x 720 pixels | Xiaomi Redmi Note 8 has better screen resolution than OPPO A9 2020. |
Display Format | Full HD+ | - | |
Pixel Density | - | 269 ppi | |
Aspect Ratio | 19.5:9 | - | |
Max Brightness | - | 480 cd/m² | |
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 | Eye protection 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 Note 8 | OPPO A9 2020 |
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Processor Type (CPU) | Qualcomm Snapdragon 665 | Qualcomm Snapdragon 665 | |
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Clock Speed | 2 GHz | - | |
Graphics System (GPU) | Qualcomm ADRENO 610 | Qualcomm ADRENO 610 |
MEMORY | Xiaomi Redmi Note 8 | OPPO A9 2020 |
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RAM | 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
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Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | OPPO A9 2020 has more internal memory than Xiaomi Redmi Note 8. |
Memory Interface | - | UFS 2.1 | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC | microSDHC, microSDXC - up to 256 GB |
CAMERA | Xiaomi Redmi Note 8 | OPPO A9 2020 |
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MAIN CAMERA |
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Number of Main Cameras | 4 | 4 | |
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Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
Sensor Size | 1.2" | 1/2.25" | OPPO A9 2020 has better camera sensor size than Xiaomi Redmi Note 8. |
Sensor Type | - | CMOS | |
Lens Aperture | F/1.75 | F/1.8 | Xiaomi Redmi Note 8 has better lens aperture than Xiaomi Redmi Note 8. |
Lens Construction | 6-element | - | |
Field of View (FoV) | 79.4 degree(s) | - | |
Pixel Size | 0.8 μm | 0.8 μm | Both phones have the same camera pixel size. |
Focus Adjustment | Automatic | Automatic | |
Special Effects | HDR | - | |
Camera Modes | Burst mode, Panorama, Pro mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Beautify | 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 Note 8 has face detection. |
Light Source | Single tone LED flash | LED flash | |
Still Image Resolutions | 8000 x 6000 | - | |
Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 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, Slo-mo video 1280 x 720 (720p) at 120 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) | EIS video stabilisation, 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Steady handheld night photography, levelling, full screen frame | Electronic Image Stabiliser (EIS) |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 8 Megapixel | 8 Megapixel | Both phones have the same second camera resolution. |
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Sensor Size (2nd Camera) | - | 1/4.0" | |
Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | F/2.2 | F/2.25 | Xiaomi Redmi Note 8 has better second camera lens aperture than Xiaomi Redmi Note 8. |
Field of View (2nd Camera) | 120 degree(s) | 119 degree(s) | Xiaomi Redmi Note 8 has larger second camera lens field of view than OPPO A9 2020. |
Pixel Size (2nd Camera) | 1.12 μm | 1.12 μm | Both phones have the same second camera pixel size. |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
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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 | 1.75 μm | Both phones have the same third camera pixel size. |
Camera Functions (3rd Camera) | Macro camera | - |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same resolution of the fourth camera. |
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Sensor Size (4th Camera) | - | 1/5" | |
Lens Aperture (4th Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the fourth camera. |
Pixel Size (4th Camera) | 1.75 μm | 1.75 μm | Both phones have the same pixel size of the fourth camera. |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 13 Megapixel | 16 Megapixel | OPPO A9 2020 has better front camera resolution than Xiaomi Redmi Note 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 Note 8 has larger front camera pixel size than OPPO A9 2020. |
Camera Modes (Front) | Panorama, Hand Gesture, Portrait, Beautify | AI Beauty | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 8 has face detection. |
Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
Camera Features (Front) | Self-timer, camera display brightness correction, AI seperation, selfie mirror, blur adjustment, full screen frame | - |
BATTERY AND CHARGING | Xiaomi Redmi Note 8 | OPPO A9 2020 |
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Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | OPPO A9 2020 has larger battery capacity than Xiaomi Redmi Note 8. |
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Recharge Time (Charging Time) | 2 hour(s) | - | |
Standby Time | - | 450 hours | |
Talk Time | - | 2700 minutes | |
Run Time Details | - | Standby: up to 450 hrs Talk: up to 2700 min |
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Battery Technology | Lithium polymer | - |
CELLULAR | Xiaomi Redmi Note 8 | OPPO A9 2020 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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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 Note 8 | OPPO A9 2020 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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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 802.11a/b/g/n/ac | 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 Note 8 | OPPO A9 2020 |
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Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC | - | |
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Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC | - | |
Sound Enhancements | - | Dolby Atmos sound technology, Hi-Res audio | |
Audio Amplifier | Smart PA | - |
FEATURES | Xiaomi Redmi Note 8 | OPPO A9 2020 |
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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 | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor | |
Security Devices | Fingerprint reader | Face recognition | |
Additional Phone Features | Infrared remote control, Dual microphones, Fast Charging, AI Engine, auto cleaning speaker | Multitasking, Game Boost 2.0 |
OTHERS | Xiaomi Redmi Note 8 | OPPO A9 2020 |
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Included Accessories | Power adapter, SIM card removal tool, USB-C cable, soft case | Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) |
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