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Redmi K90 Ultra vs Xiaomi Redmi Note 9 5G comparison

 Compare Redmi K90 Ultra
Redmi K90 Ultra
Compare Xiaomi Redmi Note 9 5G
Xiaomi Redmi Note 9 5G
key specs
Display6.83-inch6.53-inch
Front Camera20-megapixel13-megapixel
Rear Camera50-megapixel + 8-megapixel48-megapixel + 8-megapixel + 2-megapixel
RAM12GB6GB
Storage256GB128GB
Battery Capacity8550mAh5000mAh
OSAndroid 16Android 10
Resolution1280x2772 pixels1080x2430 pixels
Processor-MediaTek Dimensity 800U
general
BrandXiaomiXiaomi
ModelRedmi K90 UltraRedmi Note 9 5G
Release dateJune 30, 2026November 26, 2020
Launched in IndiaNoNo
Dimensions (mm)162.91 x 77.93 x 8.18161.96 x 77.25 x 9.20
Weight (g)227.00199.00
Battery capacity (mAh)85505000
Fast charging100W Fast ChargingProprietary
ColoursSpace Silver, Shadow Black and Sky BlueCloud Ink Grey, Flowing Shadow Purple, Outside the Castle Peak
Form factor-Touchscreen
display
Refresh Rate165 Hz-
Resolution Standard1.5K-
Screen size (inches)6.836.53
Resolution1280x2772 pixels1080x2430 pixels
Touchscreen-Yes
Protection type-Gorilla Glass
Aspect ratio-19.5:9
hardware
Processor makeSnapdragon 8 EliteMediaTek Dimensity 800U
RAM12GB6GB
Internal storage256GB128GB
Processor-2GHz octa-core
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-512
camera
Rear camera50-megapixel + 8-megapixel48-megapixel (f/1.79, 1.6-micron) + 8-megapixel (f/2.2) + 2-megapixel (1.75-micron)
No. of Rear Cameras2-
Front camera20-megapixel13-megapixel
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 16Android 10
SkinHyperOS 3MIUI 12
connectivity
Wi-Fi 7Yes-
GPSYesYes
BluetoothYesYes, v 5.10
NFCYes-
USB Type-CYesYes
Wi-Fi-Yes
Wi-Fi standards supported-802.11 a/b/g
Number of SIMs-2
Wi-Fi Direct-Yes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
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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