Redmi K90 Ultra vs Xiaomi Mix Fold 2 comparison

Show Only Differences Highlight Differences	Redmi K90 Ultra	Xiaomi Mix Fold 2
key specs
Display	6.83-inch	-
Front Camera	20-megapixel	20-megapixel
Rear Camera	50-megapixel + 8-megapixel	50-megapixel + 8-megapixel + 13-megapixel
RAM	12GB	12GB
Storage	256GB	256GB
Battery Capacity	8550mAh	4500mAh
OS	Android 16	Android
Resolution	1280x2772 pixels	2160x1914 pixels
Display (Primary)	-	8.02-inch
Processor	-	Qualcomm Snapdragon 8+ Gen 1
general
Brand	Xiaomi	Xiaomi
Model	Redmi K90 Ultra	Mix Fold 2
Release date	June 30, 2026	August 11, 2022
Launched in India	No	No
Dimensions (mm)	162.91 x 77.93 x 8.18	161.60 x 73.90 x 11.20
Weight (g)	227.00	262.00
Battery capacity (mAh)	8550	4500
Fast charging	100W Fast Charging	-
Colours	Space Silver, Shadow Black and Sky Blue	Moon Shadow Black and Star Gold
Form factor	-	Touchscreen
Removable battery	-	No
display
Refresh Rate	165 Hz	120 Hz
Resolution Standard	1.5K	-
Screen size (inches)	6.83	8.02
Resolution	1280x2772 pixels	2160x1914 pixels
Touchscreen	-	Yes
hardware
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 8+ Gen 1
RAM	12GB	12GB
Internal storage	256GB	256GB
Processor	-	octa-core
Expandable storage	-	No
camera
Rear camera	50-megapixel + 8-megapixel	50-megapixel (f/1.8) + 8-megapixel (f/2.6) + 13-megapixel (f/2.4)
No. of Rear Cameras	2	3
Front camera	20-megapixel	20-megapixel
No. of Front Cameras	1	1
Rear flash	-	LED
Lens Type (Second Rear Camera)	-	Telephoto
Lens Type (Third Rear Camera)	-	Ultra Wide-Angle
software
Operating system	Android 16	Android
Skin	HyperOS 3	MIUI Fold 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
Number of SIMs	-	2
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	-
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	-
second display
Screen size (inches)	-	6.56
Touchscreen	-	Yes
Resolution	-	2520x1080 pixels
sim 1
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM + CDMA
5G	-	Yes

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