Redmi K90 Max vs Xiaomi 12X comparison

Show Only Differences Highlight Differences	Redmi K90 Max	Xiaomi 12X
key specs
Display	6.83-inch	6.28-inch
Front Camera	20-megapixel	32-megapixel
Rear Camera	50-megapixel + 8-megapixel	50-megapixel + 5-megapixel + 13-megapixel
RAM	12GB	8GB
Storage	256GB	128GB
Battery Capacity	8550mAh	4,500mAh
OS	Android	Android
Processor	-	Qualcomm Snapdragon 870
Resolution	-	1080x2400 pixels
general
Brand	Xiaomi	Xiaomi
Model	Redmi K90 Max	12X
Release date	April 21, 2026	December 28, 2021
Launched in India	No	No
Dimensions (mm)	162.91 x 77.00 x 8.18	152.70 x 69.90 x 8.16
Weight (g)	227.00	176.00
Battery capacity (mAh)	8550	4,500
Fast charging	100W Fast Charging	Proprietary
Colours	Space Silver, Shadow Black and Sky Blue	-
Form factor	-	Touchscreen
Wireless charging	-	Yes
display
Refresh Rate	165 Hz	-
Resolution Standard	1.5K	-
Screen size (inches)	6.83	6.28
Touchscreen	-	Yes
Resolution	-	1080x2400 pixels
Protection type	-	Gorilla Glass
Aspect ratio	-	20:9
Pixels per inch (PPI)	-	419
hardware
Processor make	MediaTek Dimensity 9500	Qualcomm Snapdragon 870
RAM	12GB	8GB
Internal storage	256GB	128GB
Processor	-	3.2GHz octa-core
camera
Rear camera	50-megapixel + 8-megapixel	50-megapixel (f/1.88) + 5-megapixel + 13-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
Rear flash	-	Yes
Front autofocus	-	Yes
software
Operating system	Android	Android
Skin	HyperOS 3	MIUI 13
connectivity
Wi-Fi	-	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
GPS	-	Yes
Bluetooth	-	Yes, v 5.10
NFC	-	Yes
USB Type-C	-	Yes
Number of SIMs	-	2
sim 1
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
5G	-	Yes
sim 2
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
5G	-	Yes
sensors
Face unlock	-	Yes
Fingerprint sensor	-	Yes
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	Yes

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