Redmi K90 Ultra vs Xiaomi Civi 1S comparison

Show Only Differences Highlight Differences	Redmi K90 Ultra	Xiaomi Civi 1S
key specs
Display	6.83-inch	6.55-inch
Front Camera	20-megapixel	32-megapixel
Rear Camera	50-megapixel + 8-megapixel	64-megapixel + 8-megapixel + 2-megapixel
RAM	12GB	8GB, 12GB
Storage	256GB	128GB, 256GB
Battery Capacity	8550mAh	4,500mAh
OS	Android 16	Android 12
Resolution	1280x2772 pixels	1,080x2,400 pixels
Processor	-	Qualcomm Snapdragon 778G Plus
general
Brand	Xiaomi	Xiaomi
Model	Redmi K90 Ultra	Civi 1S
Release date	June 30, 2026	April 21, 2022
Launched in India	No	No
Dimensions (mm)	162.91 x 77.93 x 8.18	158.34 x 71.50 x 6.98
Weight (g)	227.00	166.00
Battery capacity (mAh)	8550	4,500
Fast charging	100W Fast Charging	Quick Charge 4+
Colours	Space Silver, Shadow Black and Sky Blue	Black, Blue, Pink, White
Form factor	-	Touchscreen
Removable battery	-	No
Brand Exclusive Features	-	4D Light Chasing Beauty, Native Beauty Portrait 2.0
display
Refresh Rate	165 Hz	120 Hz
Resolution Standard	1.5K	FHD+
Screen size (inches)	6.83	6.55
Resolution	1280x2772 pixels	1,080x2,400 pixels
Touchscreen	-	Yes
Protection type	-	Gorilla Glass 5
Pixels per inch (PPI)	-	402
hardware
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 778G Plus
RAM	12GB	8GB, 12GB
Internal storage	256GB	128GB, 256GB
Processor	-	2.5GHz MHz octa-core (1x2.5GHz MHz + 3x2.4GHz MHz + 4x1.8GHz MHz)
camera
Rear camera	50-megapixel + 8-megapixel	64-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras	2	3
Front camera	20-megapixel	32-megapixel
No. of Front Cameras	1	1
Rear autofocus	-	Yes
Front autofocus	-	Yes
Lens Type (Second Rear Camera)	-	Ultra Wide-Angle
Lens Type (Third Rear Camera)	-	Macro
software
Operating system	Android 16	Android 12
Skin	HyperOS 3	MIUI 13
connectivity
Wi-Fi 7	Yes	-
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.20
NFC	Yes	Yes
USB Type-C	Yes	Yes
Wi-Fi	-	Yes
Wi-Fi standards supported	-	802.11 a/b/g
Infrared	-	Yes
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	-
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	-

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