Redmi K90 Ultra vs Redmi 12 comparison

Show Only Differences Highlight Differences	Redmi K90 Ultra	Redmi 12
key specs
Display	6.83-inch	6.79-inch
Front Camera	20-megapixel	8-megapixel
Rear Camera	50-megapixel + 8-megapixel	50-megapixel + 8-megapixel + 2-megapixel
RAM	12GB	4GB, 6GB, 12GB
Storage	256GB	128GB
Battery Capacity	8550mAh	5000mAh
OS	Android 16	Android 13
Resolution	1280x2772 pixels	1080x2460 pixels
Processor	-	MediaTek Helio G88
general
Brand	Xiaomi	Xiaomi
Model	Redmi K90 Ultra	Redmi 12
Release date	June 30, 2026	July 16, 2023
Launched in India	No	Yes
Dimensions (mm)	162.91 x 77.93 x 8.18	168.60 x 76.28 x 8.17
Weight (g)	227.00	198.00
Battery capacity (mAh)	8550	5000
Fast charging	100W Fast Charging	Proprietary
Colours	Space Silver, Shadow Black and Sky Blue	Jade Black, Moonstone Silver Pastel Blue
Form factor	-	Touchscreen
Body type	-	Glass
Removable battery	-	No
Wireless charging	-	No
display
Refresh Rate	165 Hz	90 Hz
Resolution Standard	1.5K	FHD+
Screen size (inches)	6.83	6.79
Resolution	1280x2772 pixels	1080x2460 pixels
Touchscreen	-	Yes
Pixels per inch (PPI)	-	396
hardware
Processor make	Snapdragon 8 Elite	MediaTek Helio G88
RAM	12GB	4GB, 6GB, 12GB
Internal storage	256GB	128GB
Processor	-	octa-core
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	1000
Dedicated microSD slot	-	No
camera
Rear camera	50-megapixel + 8-megapixel	50-megapixel (f/f/1.8) + 8-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)
No. of Rear Cameras	2	3
Front camera	20-megapixel	8-megapixel (f/f/2.1)
No. of Front Cameras	1	1
Pop-Up Camera	-	No
software
Operating system	Android 16	Android 13
Skin	HyperOS 3	MIUI 14
connectivity
Wi-Fi 7	Yes	-
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.30
NFC	Yes	Yes
USB Type-C	Yes	Yes
Wi-Fi	-	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n
USB OTG	-	Yes
Headphones	-	3.5mm
Number of SIMs	-	1
Active 4G on both SIM cards	-	Yes
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	-
Accelerometer	Yes	Yes
Ambient light sensor	Yes	-
Gyroscope	Yes	-
Face unlock	-	Yes
sim 1
SIM Type	-	Nano-SIM
3G	-	Yes
4G/ LTE	-	Yes

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