Redmi K90 Ultra vs Xiaomi Mi MIX 2S comparison

Show Only Differences Highlight Differences	Redmi K90 Ultra	Xiaomi Mi MIX 2S
key specs
Display	6.83-inch	5.99-inch
Front Camera	20-megapixel	5-megapixel
Rear Camera	50-megapixel + 8-megapixel	12-megapixel
RAM	12GB	6GB
Storage	256GB	64GB
Battery Capacity	8550mAh	3400mAh
OS	Android 16	Android
Resolution	1280x2772 pixels	1080x2160 pixels
Processor	-	Qualcomm Snapdragon 845
general
Brand	Xiaomi	Xiaomi
Model	Redmi K90 Ultra	Mi MIX 2S
Release date	June 30, 2026	March 1, 2018
Launched in India	No	-
Dimensions (mm)	162.91 x 77.93 x 8.18	150.86 x 74.90 x 8.10
Weight (g)	227.00	189.00
Battery capacity (mAh)	8550	3400
Fast charging	100W Fast Charging	-
Colours	Space Silver, Shadow Black and Sky Blue	Black, White
Form factor	-	Touchscreen
Removable battery	-	No
display
Refresh Rate	165 Hz	-
Resolution Standard	1.5K	-
Screen size (inches)	6.83	5.99
Resolution	1280x2772 pixels	1080x2160 pixels
Touchscreen	-	Yes
Pixels per inch (PPI)	-	403
hardware
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 845
RAM	12GB	6GB
Internal storage	256GB	64GB
Processor	-	2.8GHz octa-core
Expandable storage	-	No
camera
Rear camera	50-megapixel + 8-megapixel	12-megapixel
No. of Rear Cameras	2	-
Front camera	20-megapixel	5-megapixel
No. of Front Cameras	1	-
software
Operating system	Android 16	Android
Skin	HyperOS 3	MIUI
connectivity
Wi-Fi 7	Yes	-
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
NFC	Yes	Yes
USB Type-C	Yes	-
Wi-Fi	-	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
USB OTG	-	Yes
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Barometer	-	Yes

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