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OPPO Reno 15 vs Redmi K40S comparison

 Sponsored Compare OPPO Reno 15
OPPO Reno 15
Compare Redmi K40S
Redmi K40S
key specs
Display6.32-inch6.67-inch
ProcessorMediaTek Dimensity 8450Qualcomm Snapdragon 870
Front Camera50-megapixel 20-megapixel
Rear Camera200-megapixel + 50-megapixel + 50-megapixel 48-megapixel + 8-megapixel + 2-megapixel
RAM12GB6GB, 8GB, 12GB
Storage256GB128GB, 256GB
Battery Capacity6200mAh4500mAh
OSAndroid 16Android
Resolution1216x2640 pixels1080x2400 pixels
general
BrandOPPOXiaomi
ModelReno 15Redmi K40S
Release dateJanuary 8, 2026March 17, 2022
AI EnabledYes-
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Body typeGlass-
Dimensions (mm)151.21 x 72.42 x 8.13163.20 x 75.95 x 7.70
Weight (g)188.00195.00
IP ratingIP69-
Battery capacity (mAh)62004500
Removable batteryNoNo
Fast charging80W Fast ChargingQuick Charge 3.0
Wireless chargingNo-
ColoursAurora Blue, Twilight Blue, Aurora WhiteAurora, Black, Green, Silver,
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.326.67
TouchscreenYesYes
Resolution1216x2640 pixels1080x2400 pixels
Pixels per inch (PPI)450-
Aspect ratio-20:9
hardware
Processorocta-coreocta-core
Processor makeMediaTek Dimensity 8450Qualcomm Snapdragon 870
RAM12GB6GB, 8GB, 12GB
Internal storage256GB128GB, 256GB
Expandable storageNoNo
Expandable storage typeNo-
Dedicated microSD slotNo-
camera
Rear camera200-megapixel (f/1.8) + 50-megapixel (f/2.0) + 50-megapixel (f/2.8)48-megapixel (f/1.8) + 8-megapixel + 2-megapixel
No. of Rear Cameras33
Front camera50-megapixel (f/2.0)20-megapixel
No. of Front Cameras11
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Telephoto-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 16Android
SkinColorOS 16MIUI 13
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n/ac/ax
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.20
NFCYesYes
InfraredYesYes
USB Type-CYesYes
HeadphonesType-C-
Number of SIMs22
Active 4G on both SIM cardsYes-
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYesYes
sensors
Face unlockYes-
In-Display Fingerprint SensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Compass/ Magnetometer-Yes
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