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Oppo A9 2020 vs Xiaomi Redmi Note 8

2G Network SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900   SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 1900 / 2100   HSDPA 850 / 900 / 1900 / 2100  
4G Network LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)   LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)  
Dimensions 163.6 x 75.6 x 9.1 mm   158.3 x 75.3 x 8.4 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)   Dual Sim, Dual Standby (Nano-SIM)  
Weight 195 g   190 g  
Display Type IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch  
Display Size 720 x 1600 Pixels (~269 PPI)   1080 x 2340 Pixels (~409 PPI)  
Memory 128GB Built-in, 8GB RAM, UFS 2.1   64GB Built-in, 4GB RAM  
Card slot microSD Card, (supports up to 256GB) (dedicated slot)   microSD Card, (supports up to 256GB) (uses SIM 2 slot)  
GPRS Yes Yes
EDGE Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot   Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot  
BlueTooth v5.0 with A2DP, LE   v5.0 with A2DP, LE  
USB Type-C 1.0 reversible connector   2.0, Type-C 1.0 reversible connector, USB On-The-Go  
NFC Yes   No  
GPS Yes + A-GPS support & Glonass, BDS   Yes + A-GPS support & Glonass, BDS  
Main Camera Geo-tagging, touch focus, face detection, panorama, HDR, Video ([email protected], [email protected])   Geo-tagging, Phase detection, touch focus, HDR, Panorama, Video ([email protected], [email protected]/60/120fps, [email protected], gyro-EIS)  
Front Camera 16 MP, f/1.0, HDR, Video ([email protected])   13 MP, HDR, panorama, Video ([email protected])  
OS Android 9.0 Pie   Android 9.0 (Pie)  
Chipset Qualcomm SDM665 Snapdragon 665 (11 nm)   Qualcomm SDM665 Snapdragon 665 (11 nm)  
Processor Octa-core (4 x 2.0 GHz Kryo 260 Gold + 4 x 1.8 GHz Kryo 260 Silver)   Octa-core (4 x 2.0 GHz Kryo 260 Gold + 4 x 1.8 GHz Kryo 260 Silver)  
GPU Adreno 610   Adreno 610  
Sensors Accelerometer, gyro, proximity, compass, Fingerprint (rear Mounted)   Accelerometer, Compass, Fingerprint (rear mounted), Gyro, Proximity  
Browser HTML5   HTML5  
Sound 3.5mm Audio Jack, MP3/WAV/WMA/eAAC+/FLAC player, MP4/WMV/H.265 player, Speaker Phone   3.5mm Audio Jack, XviD/MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Speaker Phone  
Colors Marine Green, Space Purple   Crystal Green, Crystal Blue  
Battery - Reverse charging   - Fast battery charging 18W  
Misc Active noise cancellation with dedicated mic, Photo/video editor, Document viewer   Active noise cancellation with dedicated mic, Photo/video editor, Document viewer