Redmi K90 Ultra vs Xiaomi Mi 3 comparison

Compare Redmi K90 Ultra
Compare Xiaomi Mi 3
key specs
Display6.83-inch5.00-inch
Front Camera20-megapixel2-megapixel
Rear Camera50-megapixel + 8-megapixel13-megapixel
RAM12GB2GB
Storage256GB16GB
Battery Capacity8550mAh3050mAh
OSAndroid 16Android 4.4
Resolution1280x2772 pixels1080x1920 pixels
Processor-Qualcomm Snapdragon 800
general
BrandXiaomiXiaomi
ModelRedmi K90 UltraMi 3
Release dateJune 30, 2026September 1, 2013
Launched in IndiaNo-
Dimensions (mm)162.91 x 77.93 x 8.18144.00 x 72.00 x 8.10
Weight (g)227.00145.00
Battery capacity (mAh)85503050
Fast charging100W Fast Charging-
ColoursSpace Silver, Shadow Black and Sky BlueMetallic Grey
Form factor-Touchscreen
Removable battery-No
display
Refresh Rate165 Hz-
Resolution Standard1.5K-
Screen size (inches)6.835.00
Resolution1280x2772 pixels1080x1920 pixels
Touchscreen-Yes
Pixels per inch (PPI)-441
hardware
Processor makeSnapdragon 8 EliteQualcomm Snapdragon 800 (MSM8274AB)
RAM12GB2GB
Internal storage256GB16GB
Processor-2.3GHz quad-core
Expandable storage-No
camera
Rear camera50-megapixel + 8-megapixel13-megapixel
No. of Rear Cameras2-
Front camera20-megapixel2-megapixel
No. of Front Cameras1-
Rear flash-Dual LED
software
Operating systemAndroid 16Android 4.4
SkinHyperOS 3MIUI version 5
connectivity
Wi-Fi 7Yes-
GPSYesYes
BluetoothYesYes, v 4.00
NFCYesYes
USB Type-CYes-
Wi-Fi-Yes
Wi-Fi standards supported-802.11 a/b/g/n/ac
Infrared-No
USB OTG-Yes
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 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-Regular
GSM/CDMA-GSM
3G-Yes
4G/ LTE-No

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