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Oppo Reno 7A vs Oppo A31 comparison

 Compare Oppo Reno 7A
Oppo Reno 7A
Compare Oppo A31
Oppo A31
key specs
Display6.40-inch4.50-inch
ProcessorQualcomm Snapdragon 695Qualcomm Snapdragon 410
Front Camera16-megapixel 5-megapixel
Rear Camera48-megapixel + 8-megapixel + 2-megapixel 8-megapixel
RAM6GB1GB
Storage128GB8GB
Battery Capacity4500mAh2000mAh
OSAndroid 11Android 4.4
Resolution2400x1080 pixels480x854 pixels
general
BrandOppoOppo
ModelReno 7AA31
Release dateJune 16, 2022April 1, 2015
Launched in IndiaNo-
Dimensions (mm)159.70 x 73.40 x 7.60131.90 x 65.54 x 8.03
Weight (g)175.00135.00
Battery capacity (mAh)45002000
Fast chargingProprietary-
Wireless chargingNo-
ColoursDream Blue, Starry Black-
Form factor-Touchscreen
Removable battery-No
display
Refresh Rate90 Hz-
Resolution StandardFHD+-
Screen size (inches)6.404.50
TouchscreenYesYes
Resolution2400x1080 pixels480x854 pixels
Pixels per inch (PPI)409-
hardware
Processorocta-core1.4GHz quad-core
Processor makeQualcomm Snapdragon 695Qualcomm Snapdragon 410
RAM6GB1GB
Internal storage128GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1024128
camera
Rear camera48-megapixel (f/1.7) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)8-megapixel
No. of Rear Cameras3-
Rear autofocusYes-
Rear flashYesLED
Front camera16-megapixel (f/2.4)5-megapixel
No. of Front Cameras1-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Macro-
software
Operating systemAndroid 11Android 4.4
SkinColorOS 12ColorOS 2.0.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYesYes
BluetoothYes, v 5.10Yes
NFCYesNo
USB Type-CYes-
Headphones3.5mmYes
Number of SIMs22
Infrared-No
USB OTG-No
FM-No
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3G-No
4G/ LTE-Yes
sensors
Face unlockYes-
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesNo
Barometer-No
Temperature sensor-No

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