OnePlus 15 vs Redmi K40S comparison

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ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.78-inch6.67-inch
ProcessorSnapdragon 8 Elite Gen 5Qualcomm Snapdragon 870
Front Camera32-megapixel20-megapixel
Rear Camera50-megapixel + 50-megapixel + 50-megapixel 48-megapixel + 8-megapixel + 2-megapixel
RAM12GB, 16GB6GB, 8GB, 12GB
Storage256GB, 512GB128GB, 256GB
Battery Capacity7,300mAh4500mAh
OSAndroid 16Android
Resolution1,272x2,772 pixels1080x2400 pixels
general
BrandOnePlusXiaomi
Model15Redmi K40S
Release dateOctober 27, 2025March 17, 2022
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Dimensions (mm)161.42 x 76.67 x 8.10163.20 x 75.95 x 7.70
Weight (g)211.00195.00
IP ratingIP69-
Battery capacity (mAh)7,3004500
Removable batteryNoNo
Fast charging120W FlashChargeQuick Charge 3.0
Wireless chargingYes-
Wireless Charging Type50W-
ColoursInfinite Black, Sand Storm, and Ultra VioletAurora, Black, Green, Silver,
display
Refresh Rate165 Hz-
Resolution Standard1.5K-
Screen size (inches)6.786.67
TouchscreenYesYes
Resolution1,272x2,772 pixels1080x2400 pixels
Pixels per inch (PPI)450-
Aspect ratio-20:9
hardware
Processorocta-coreocta-core
Processor makeSnapdragon 8 Elite Gen 5Qualcomm Snapdragon 870
RAM12GB, 16GB6GB, 8GB, 12GB
Internal storage256GB, 512GB128GB, 256GB
Expandable storage-No
camera
Rear camera50-megapixel (f/1.8) + 50-megapixel (f/2.0) + 50-megapixel (f/1.8)48-megapixel (f/1.8) + 8-megapixel + 2-megapixel
No. of Rear Cameras33
Front camera32-megapixel20-megapixel
No. of Front Cameras11
Pop-Up CameraNo-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 16Android
SkinOxygenOS 16MIUI 13
connectivity
Wi-Fi 7Yes-
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 5.20
NFCYesYes
USB Type-CYesYes
Wi-Fi standards supported-802.11 a/b/g/n/ac/ax
Infrared-Yes
Number of SIMs-2
sensors
In-Display Fingerprint SensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
BarometerYes-
Temperature sensorYes-
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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