Redmi K90 Ultra vs Xiaomi MI-2 comparison

Compare Redmi K90 Ultra
Compare Xiaomi MI-2
key specs
Display6.83-inch4.30-inch
Front Camera20-megapixel2-megapixel
Rear Camera50-megapixel + 8-megapixel8-megapixel
RAM12GB2GB
Storage256GB16GB
Battery Capacity8550mAh2000mAh
OSAndroid 16Android 4.1
Resolution1280x2772 pixels720x1280 pixels
Processor-Qualcomm Snapdragon S4
general
BrandXiaomiXiaomi
ModelRedmi K90 UltraMI-2
Release dateJune 30, 2026August 1, 2012
Launched in IndiaNo-
Dimensions (mm)162.91 x 77.93 x 8.18126.00 x 62.00 x 10.20
Weight (g)227.00105.00
Battery capacity (mAh)85502000
Fast charging100W Fast Charging-
ColoursSpace Silver, Shadow Black and Sky Blue-
Form factor-Touchscreen
Removable battery-Yes
display
Refresh Rate165 Hz-
Resolution Standard1.5K-
Screen size (inches)6.834.30
Resolution1280x2772 pixels720x1280 pixels
Touchscreen-Yes
Pixels per inch (PPI)-342
hardware
Processor makeSnapdragon 8 EliteQualcomm Snapdragon S4
RAM12GB2GB
Internal storage256GB16GB
Processor-1.5GHz quad-core
Expandable storage-No
camera
Rear camera50-megapixel + 8-megapixel8-megapixel
No. of Rear Cameras2-
Front camera20-megapixel2-megapixel
No. of Front Cameras1-
Rear flash-LED
software
Operating systemAndroid 16Android 4.1
SkinHyperOS 3-
connectivity
Wi-Fi 7Yes-
GPSYesYes
BluetoothYesYes, v 4.00
NFCYesNo
USB Type-CYes-
Wi-Fi-Yes
Wi-Fi standards supported-802.11 b/g/n
Infrared-No
USB OTG-No
Headphones-3.5mm
FM-Yes
Number of SIMs-1
Wi-Fi Direct-Yes
Mobile High-Definition Link (MHL)-No
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesNo
GyroscopeYesYes
Barometer-Yes
Temperature sensor-No
sim 1
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-No

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