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OPPO Reno 15 FS vs Oppo A31 comparison

 Compare OPPO Reno 15 FS
OPPO Reno 15 FS
Compare Oppo A31
Oppo A31
key specs
Display6.57-inch4.50-inch
Front Camera50-megapixel 5-megapixel
Rear Camera50-megapixel + 8-megapixel + 2-megapixel 8-megapixel
RAM8GB1GB
Storage512GB8GB
Battery Capacity6500mAh2000mAh
OSAndroid 16Android 4.4
Resolution1080x2372 pixels480x854 pixels
Processor-Qualcomm Snapdragon 410
general
BrandOPPOOppo
ModelReno 15 FSA31
Release dateJanuary 20, 2026April 1, 2015
AI EnabledYes-
Launched in IndiaNo-
Form factorTouchscreenTouchscreen
Dimensions (mm)158.18 x 74.93 x 8.14131.90 x 65.54 x 8.03
Weight (g)189.00135.00
IP ratingIP69-
Battery capacity (mAh)65002000
Removable batteryNoNo
Fast charging80W Fast Charging-
ColoursAurora Blue, Twilight Blue-
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.574.50
TouchscreenYesYes
Resolution1080x2372 pixels480x854 pixels
Protection typeGorilla Glass-
Pixels per inch (PPI)397-
hardware
Processor makeQualcomm Snapdragon 6 Gen 1Qualcomm Snapdragon 410
RAM8GB1GB
Internal storage512GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2000128
Processor-1.4GHz quad-core
camera
Rear camera50-megapixel (f/1.8) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)8-megapixel
No. of Rear Cameras3-
Rear flashYesLED
Front camera50-megapixel (f/2.1)5-megapixel
No. of Front Cameras1-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Macro-
software
Operating systemAndroid 16Android 4.4
SkinColorOS 16ColorOS 2.0.1
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.10Yes
NFCYesNo
InfraredYesNo
USB OTGYesNo
USB Type-CYes-
HeadphonesType-CYes
Number of SIMs22
Active 4G on both SIM cardsYes-
FM-No
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesNo
Barometer-No
Temperature sensor-No
sim 1
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-No
4G/ LTE-Yes
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