Redmi K90 Ultra vs Xiaomi MI2S comparison

Show Only Differences Highlight Differences	Redmi K90 Ultra	Xiaomi MI2S
key specs
Display	6.83-inch	4.30-inch
Front Camera	20-megapixel	2-megapixel
Rear Camera	50-megapixel + 8-megapixel	8-megapixel
RAM	12GB	2GB
Storage	256GB	16GB
Battery Capacity	8550mAh	2000mAh
OS	Android 16	Android 4.1
Resolution	1280x2772 pixels	720x1280 pixels
Processor	-	Qualcomm Snapdragon 600
general
Brand	Xiaomi	Xiaomi
Model	Redmi K90 Ultra	MI2S
Release date	June 30, 2026	April 1, 2013
Launched in India	No	-
Dimensions (mm)	162.91 x 77.93 x 8.18	126.00 x 62.00 x 10.20
Weight (g)	227.00	145.00
Battery capacity (mAh)	8550	2000
Fast charging	100W Fast Charging	-
Colours	Space Silver, Shadow Black and Sky Blue	-
Form factor	-	Touchscreen
Removable battery	-	Yes
display
Refresh Rate	165 Hz	-
Resolution Standard	1.5K	-
Screen size (inches)	6.83	4.30
Resolution	1280x2772 pixels	720x1280 pixels
Touchscreen	-	Yes
Pixels per inch (PPI)	-	342
hardware
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 600 (APQ8064T)
RAM	12GB	2GB
Internal storage	256GB	16GB
Processor	-	1.7GHz quad-core
Expandable storage	-	No
camera
Rear camera	50-megapixel + 8-megapixel	8-megapixel
No. of Rear Cameras	2	-
Front camera	20-megapixel	2-megapixel
No. of Front Cameras	1	-
Rear flash	-	LED
software
Operating system	Android 16	Android 4.1
Skin	HyperOS 3	-
connectivity
Wi-Fi 7	Yes	-
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 4.00
NFC	Yes	No
USB Type-C	Yes	-
Wi-Fi	-	Yes
Wi-Fi standards supported	-	802.11 b/g
Infrared	-	No
USB OTG	-	No
Headphones	-	3.5mm
FM	-	Yes
Number of SIMs	-	1
Wi-Fi Direct	-	Yes
Mobile High-Definition Link (MHL)	-	Yes
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	No
Gyroscope	Yes	Yes
Barometer	-	No
Temperature sensor	-	No
sim 1
SIM Type	-	Regular
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	No

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