Redmi K90 Max vs Xiaomi Redmi S2 comparison

Compare Redmi K90 Max
Compare Xiaomi Redmi S2
key specs
Display6.83-inch5.99-inch
Front Camera20-megapixel16-megapixel
Rear Camera50-megapixel + 8-megapixel12-megapixel
RAM12GB3GB
Storage256GB32GB
Battery Capacity8550mAh3080mAh
OSAndroidAndroid 8.1 Oreo
Processor-Qualcomm Snapdragon 625
Resolution-720x1440 pixels
general
BrandXiaomiXiaomi
ModelRedmi K90 MaxRedmi S2
Release dateApril 21, 2026May 1, 2018
Launched in IndiaNo-
Dimensions (mm)162.91 x 77.00 x 8.18160.73 x 77.26 x 8.10
Weight (g)227.00170.00
Battery capacity (mAh)85503080
Fast charging100W Fast Charging-
ColoursSpace Silver, Shadow Black and Sky BlueBlack, Rose Gold, Gold, White, Blue, Red, Pink, Gray, Silver
Form factor-Touchscreen
Removable battery-No
display
Refresh Rate165 Hz-
Resolution Standard1.5K-
Screen size (inches)6.835.99
Touchscreen-Yes
Resolution-720x1440 pixels
hardware
Processor makeMediaTek Dimensity 9500Qualcomm Snapdragon 625
RAM12GB3GB
Internal storage256GB32GB
Processor-2GHz octa-core
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera50-megapixel + 8-megapixel12-megapixel
No. of Rear Cameras2-
Front camera20-megapixel16-megapixel
No. of Front Cameras1-
Rear flash-LED
Front flash-Yes
software
Operating systemAndroidAndroid 8.1 Oreo
SkinHyperOS 3MIUI 9
connectivity
Wi-Fi-Yes
Wi-Fi standards supported-802.11 b/g/n
GPS-Yes
Bluetooth-Yes, v 4.20
Infrared-Yes
Number of SIMs-2
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sensors
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-Yes

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