Redmi K90 Ultra vs Xiaomi Redmi 6 Pro comparison

Show Only Differences Highlight Differences	Redmi K90 Ultra	Xiaomi Redmi 6 Pro
key specs
Display	6.83-inch	5.84-inch
Front Camera	20-megapixel	5-megapixel
Rear Camera	50-megapixel + 8-megapixel	12-megapixel + 5-megapixel
RAM	12GB	4GB
Storage	256GB	64GB
Battery Capacity	8550mAh	4000mAh
OS	Android 16	Android 8.1 Oreo
Resolution	1280x2772 pixels	1080x2280 pixels
Processor	-	Qualcomm Snapdragon 625
general
Brand	Xiaomi	Xiaomi
Model	Redmi K90 Ultra	Redmi 6 Pro
Release date	June 30, 2026	September 1, 2018
Launched in India	No	Yes
Dimensions (mm)	162.91 x 77.93 x 8.18	149.33 x 71.68 x 8.75
Weight (g)	227.00	178.00
Battery capacity (mAh)	8550	4000
Fast charging	100W Fast Charging	-
Colours	Space Silver, Shadow Black and Sky Blue	Gold, Blue, Black, Red
Form factor	-	Touchscreen
Body type	-	Metal
Removable battery	-	No
Wireless charging	-	No
SAR value	-	0.96
display
Refresh Rate	165 Hz	-
Resolution Standard	1.5K	-
Screen size (inches)	6.83	5.84
Resolution	1280x2772 pixels	1080x2280 pixels
Touchscreen	-	Yes
Aspect ratio	-	19:9
Pixels per inch (PPI)	-	432
hardware
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 625
RAM	12GB	4GB
Internal storage	256GB	64GB
Processor	-	2GHz octa-core (8x2GHz)
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	256
Dedicated microSD slot	-	Yes
camera
Rear camera	50-megapixel + 8-megapixel	12-megapixel (f/2.2, 1.25-micron) + 5-megapixel
No. of Rear Cameras	2	-
Front camera	20-megapixel	5-megapixel
No. of Front Cameras	1	-
Rear autofocus	-	Phase detection autofocus
Rear flash	-	LED
Front flash	-	No
software
Operating system	Android 16	Android 8.1 Oreo
Skin	HyperOS 3	MIUI 9.6
connectivity
Wi-Fi 7	Yes	-
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 4.20
NFC	Yes	No
USB Type-C	Yes	No
Wi-Fi	-	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n
Infrared	-	Yes
USB OTG	-	Yes
Micro-USB	-	Yes
Headphones	-	3.5mm
FM	-	Yes
Number of SIMs	-	2
Active 4G on both SIM cards	-	No
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Face unlock	-	Yes
3D face recognition	-	No
ratings
Overall NDTV Rating	-	Read Review
Design Rating	-
Display Rating	-
Software Rating	-
Performance Rating	-
Battery Life Rating	-
Camera Rating	-
Value for Money Rating	-
sim 1
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes

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