Xiaomi 18 Fold vs Redmi K90 Ultra comparison

Show Only Differences Highlight Differences	Xiaomi 18 Fold	Redmi K90 Ultra
key specs
Display (Primary)	6.56-inch	-
Cover Display	7.76-inch	-
Front Camera	50-megapixel	20-megapixel
Rear Camera	200-megapixel + 50-megapixel + 200-megapixel	50-megapixel + 8-megapixel
RAM	12GB	12GB
Storage	256GB	256GB
Battery Capacity	6000mAh	8550mAh
OS	Android 17	Android 16
Display	-	6.83-inch
Resolution	-	1280x2772 pixels
general
Brand	Xiaomi	Xiaomi
Model	18 Fold	Redmi K90 Ultra
Form factor	Touchscreen	-
IP rating	IP68	-
Battery capacity (mAh)	6000	8550
Fast charging	67W Turbo Charge	100W Fast Charging
Wireless Charging Type	50W	-
Release date	-	June 30, 2026
Launched in India	-	No
Dimensions (mm)	-	162.91 x 77.93 x 8.18
Weight (g)	-	227.00
Colours	-	Space Silver, Shadow Black and Sky Blue
display
Refresh Rate	120 Hz	165 Hz
Screen size (inches)	6.56	6.83
Touchscreen	Yes	-
Resolution Standard	-	1.5K
Resolution	-	1280x2772 pixels
second display
Screen size (inches)	7.76	-
Touchscreen	Yes	-
hardware
RAM	12GB	12GB
Internal storage	256GB	256GB
Processor make	-	Snapdragon 8 Elite
camera
Rear camera	200-megapixel + 50-megapixel + 200-megapixel	50-megapixel + 8-megapixel
No. of Rear Cameras	3	2
Rear flash	Yes	-
Front camera	50-megapixel	20-megapixel
No. of Front Cameras	1	1
Lens Type (Second Rear Camera)	Ultra Wide-Angle	-
Lens Type (Third Rear Camera)	Telephoto	-
software
Operating system	Android 17	Android 16
Skin	HyperOS	HyperOS 3
connectivity
Wi-Fi 7	-	Yes
GPS	-	Yes
Bluetooth	-	Yes
NFC	-	Yes
USB Type-C	-	Yes
sensors
Fingerprint sensor	-	Yes
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	Yes

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