Redmi K90 Ultra vs Xiaomi Mi 8 Screen Fingerprint Edition comparison

Show Only Differences Highlight Differences	Redmi K90 Ultra	Xiaomi Mi 8 Screen Fingerprint Edition
key specs
Display	6.83-inch	6.21-inch
Front Camera	20-megapixel	20-megapixel
Rear Camera	50-megapixel + 8-megapixel	12-megapixel + 12-megapixel
RAM	12GB	6GB
Storage	256GB	64GB
Battery Capacity	8550mAh	3400mAh
OS	Android 16	Android
Resolution	1280x2772 pixels	1080x2248 pixels
Processor	-	Qualcomm Snapdragon 845
general
Brand	Xiaomi	Xiaomi
Model	Redmi K90 Ultra	Mi 8 Screen Fingerprint Edition
Release date	June 30, 2026	September 1, 2018
Launched in India	No	-
Dimensions (mm)	162.91 x 77.93 x 8.18	-
Weight (g)	227.00	-
Battery capacity (mAh)	8550	3400
Fast charging	100W Fast Charging	Quick Charge 4+
Colours	Space Silver, Shadow Black and Sky Blue	-
display
Refresh Rate	165 Hz	-
Resolution Standard	1.5K	-
Screen size (inches)	6.83	6.21
Resolution	1280x2772 pixels	1080x2248 pixels
Touchscreen	-	Yes
Aspect ratio	-	18.7:9
hardware
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 845
RAM	12GB	6GB
Internal storage	256GB	64GB
Processor	-	octa-core
camera
Rear camera	50-megapixel + 8-megapixel	12-megapixel (1.4-micron) + 12-megapixel (1.4-micron)
No. of Rear Cameras	2	-
Front camera	20-megapixel	20-megapixel (f/2.0, 1.8-micron)
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
NFC	Yes	-
USB Type-C	Yes	-
Wi-Fi	-	Yes
Number of SIMs	-	2
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Face unlock	-	Yes

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