Redmi K90 Ultra vs Xiaomi Mi MIX 2 comparison

Compare Redmi K90 Ultra
Compare Xiaomi Mi MIX 2
key specs
Display6.83-inch5.99-inch
Front Camera20-megapixel5-megapixel
Rear Camera50-megapixel + 8-megapixel12-megapixel
RAM12GB6GB
Storage256GB128GB
Battery Capacity8550mAh3400mAh
OSAndroid 16Android
Resolution1280x2772 pixels1080x2160 pixels
Processor-Qualcomm Snapdragon 835
general
BrandXiaomiXiaomi
ModelRedmi K90 UltraMi MIX 2
Release dateJune 30, 2026September 1, 2017
Launched in IndiaNo-
Dimensions (mm)162.91 x 77.93 x 8.18151.80 x 75.50 x 7.70
Weight (g)227.00185.00
Battery capacity (mAh)85503400
Fast charging100W Fast Charging-
ColoursSpace Silver, Shadow Black and Sky BlueBlack
Form factor-Touchscreen
Removable battery-No
display
Refresh Rate165 Hz-
Resolution Standard1.5K-
Screen size (inches)6.835.99
Resolution1280x2772 pixels1080x2160 pixels
Touchscreen-Yes
Pixels per inch (PPI)-403
hardware
Processor makeSnapdragon 8 EliteQualcomm Snapdragon 835
RAM12GB6GB
Internal storage256GB128GB
Processor-octa-core
Expandable storage-No
camera
Rear camera50-megapixel + 8-megapixel12-megapixel
No. of Rear Cameras2-
Front camera20-megapixel5-megapixel
No. of Front Cameras1-
Rear flash-Dual LED
software
Operating systemAndroid 16Android
SkinHyperOS 3MIUI
connectivity
Wi-Fi 7Yes-
GPSYesYes
BluetoothYesYes, v 5.00
NFCYesYes
USB Type-CYes-
Wi-Fi-Yes
Wi-Fi standards supported-802.11 a/b/g/n/ac
Infrared-No
USB OTG-No
FM-No
Number of SIMs-2
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Barometer-Yes
Temperature sensor-No
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
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

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