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OnePlus 15R vs Redmi K40 comparison

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OnePlus 15R
Compare Redmi K40
Redmi K40
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.83-inch6.67-inch
ProcessorSnapdragon 8 Gen 5Qualcomm Snapdragon 870
Front Camera32-megapixel 20-megapixel
Rear Camera50-megapixel + 8-megapixel 48-megapixel + 8-megapixel + 5-megapixel
RAM12GB6GB, 8GB, 12GB
Storage256GB, 512GB128GB, 256GB
Battery Capacity7,400mAh4520mAh
OSAndroid 16Android 11
Resolution1272x2800 pixels1080x2400 pixels
general
BrandOnePlusXiaomi
Model15RRedmi K40
Release dateDecember 17, 2025February 25, 2021
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Dimensions (mm)163.40 x 77.00 x 8.30163.70 x 76.40 x 7.80
Weight (g)219.00196.00
IP ratingIP69-
Battery capacity (mAh)7,4004520
Removable batteryNo-
Fast charging80W Fast ChargingProprietary
ColoursCharcoal Black, Mint Breeze, and Electric VioletDreamland, Glossy Black, Icy White
display
Refresh Rate165 Hz-
Resolution StandardFHD+-
Screen size (inches)6.836.67
TouchscreenYesYes
Resolution1272x2800 pixels1080x2400 pixels
Protection typeGorilla Glass 7i-
Aspect ratio19.8:920:9
Pixels per inch (PPI)450-
hardware
Processor3.8 MHz octa-coreocta-core
Processor makeSnapdragon 8 Gen 5Qualcomm Snapdragon 870
RAM12GB6GB, 8GB, 12GB
Internal storage256GB, 512GB128GB, 256GB
camera
Rear camera50-megapixel (f/1.8) + 8-megapixel (f/2.2)48-megapixel (f/1.79) + 8-megapixel + 5-megapixel
No. of Rear Cameras23
Rear autofocusYesYes
Rear flashYesYes
Front camera32-megapixel (f/2.0)20-megapixel
No. of Front Cameras11
Pop-Up CameraNo-
software
Operating systemAndroid 16Android 11
SkinOxygenOS 16MIUI 12
connectivity
Wi-Fi 7Yes-
GPSYesYes
BluetoothYes, v 6.00Yes, v 5.10
NFCYesYes
USB Type-CYesYes
Active 4G on both SIM cardsYes-
Wi-Fi-Yes
Wi-Fi standards supported-802.11 a/b/g/n/ac/ax
Infrared-Yes
Number of SIMs-2
sensors
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Temperature sensorYes-
In-Display Fingerprint Sensor-Yes
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
5G-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
5G-Yes
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