Oppo A77s vs Redmi Note 9 Pro Max comparison

Compare Oppo A77s
Compare Redmi Note 9 Pro Max
key specs
Display6.56-inch6.67-inch
Front Camera8-megapixel 32-megapixel
Rear Camera50-megapixel + 2-megapixel 64-megapixel + 8-megapixel + 5-megapixel + 2-megapixel
RAM8GB6GB
Storage128GB64GB
Battery Capacity5000mAh5020mAh
OSAndroid 12Android 10
Resolution1612x720 pixels1080x2400 pixels
Processor-Qualcomm Snapdragon 720G
general
BrandOppoXiaomi
ModelA77sRedmi Note 9 Pro Max
Release dateOctober 6, 2022March 12, 2020
Launched in IndiaYesYes
Dimensions (mm)163.74 x 75.03 x 7.99165.50 x 76.68 x 8.80
Weight (g)187.00209.00
Battery capacity (mAh)50005020
Fast chargingSuper VOOC-
ColoursSunset Orange, Starry BlackAurora Blue, Glacier White, Interstellar Black
Form factor-Touchscreen
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.566.67
TouchscreenYesYes
Resolution1612x720 pixels1080x2400 pixels
Pixels per inch (PPI)269-
Protection type-Gorilla Glass
Aspect ratio-20:9
hardware
Processor makeQualcomm Snapdragon 680Qualcomm Snapdragon 720G
RAM8GB6GB
Internal storage128GB64GB
Expandable storage typemicroSDmicroSD
Processor-1.8GHz octa-core (4x1.8GHz + 4x2.3GHz)
Expandable storage-Yes
Expandable storage up to (GB)-512
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)64-megapixel (f/1.89, 1.6-micron) + 8-megapixel (f/2.2, 1.12-micron) + 5-megapixel (1.12-micron) + 2-megapixel (1.75-micron)
No. of Rear Cameras2-
Front camera8-megapixel (f/2.0)32-megapixel (1.6-micron)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 12Android 10
SkinColorOS 12.1MIUI 11
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
USB Type-CYesYes
Headphones3.5mm3.5mm
Active 4G on both SIM cardsYes-
Wi-Fi standards supported-802.11 a/b/g/n/ac
Infrared-Yes
Number of SIMs-2
sensors
Fingerprint sensorYesYes
Face unlock-Yes
In-Display Fingerprint Sensor-No
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes

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