Redmi K90 Max vs Xiaomi Mi 4S comparison

Show Only Differences Highlight Differences	Redmi K90 Max	Xiaomi Mi 4S
key specs
Display	6.83-inch	5.00-inch
Front Camera	20-megapixel	5-megapixel
Rear Camera	50-megapixel + 8-megapixel	13-megapixel
RAM	12GB	3GB
Storage	256GB	64GB
Battery Capacity	8550mAh	3260mAh
OS	Android	Android 6
Processor	-	Qualcomm Snapdragon 808
Resolution	-	1080x1920 pixels
general
Brand	Xiaomi	Xiaomi
Model	Redmi K90 Max	Mi 4S
Release date	April 21, 2026	February 1, 2016
Launched in India	No	-
Dimensions (mm)	162.91 x 77.00 x 8.18	139.26 x 70.76 x 7.80
Weight (g)	227.00	133.00
Battery capacity (mAh)	8550	3260
Fast charging	100W Fast Charging	-
Colours	Space Silver, Shadow Black and Sky Blue	White, Black, Gold, Pink
Form factor	-	Touchscreen
Removable battery	-	No
display
Refresh Rate	165 Hz	-
Resolution Standard	1.5K	-
Screen size (inches)	6.83	5.00
Touchscreen	-	Yes
Resolution	-	1080x1920 pixels
Pixels per inch (PPI)	-	441
hardware
Processor make	MediaTek Dimensity 9500	Qualcomm Snapdragon 808
RAM	12GB	3GB
Internal storage	256GB	64GB
Processor	-	hexa-core
Expandable storage	-	Yes
Expandable storage type	-	microSD
camera
Rear camera	50-megapixel + 8-megapixel	13-megapixel
No. of Rear Cameras	2	-
Front camera	20-megapixel	5-megapixel
No. of Front Cameras	1	-
Rear flash	-	Dual LED
software
Operating system	Android	Android 6
Skin	HyperOS 3	MIUI 7
connectivity
Wi-Fi	-	Yes
Wi-Fi standards supported	-	802.11 b/g/n/ac
GPS	-	Yes
Bluetooth	-	Yes, v 4.10
NFC	-	No
Infrared	-	Yes
USB OTG	-	Yes
Headphones	-	3.5mm
FM	-	No
Number of SIMs	-	2
Wi-Fi Direct	-	Yes
Mobile High-Definition Link (MHL)	-	No
sim 1
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sensors
Compass/ Magnetometer	-	No
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	Yes
Barometer	-	No
Temperature sensor	-	No

Popular Mobile Brands