Redmi K90 Ultra vs Oppo A15 comparison

Show Only Differences Highlight Differences	Redmi K90 Ultra	Oppo A15
key specs
Display	6.83-inch	6.52-inch
Front Camera	20-megapixel	5-megapixel
Rear Camera	50-megapixel + 8-megapixel	13-megapixel + 2-megapixel + 2-megapixel
RAM	12GB	3GB
Storage	256GB	32GB
Battery Capacity	8550mAh	4230mAh
OS	Android 16	Android 10
Resolution	1280x2772 pixels	720x1600 pixels
Processor	-	MediaTek Helio P35
general
Brand	Xiaomi	Oppo
Model	Redmi K90 Ultra	A15
Release date	June 30, 2026	October 15, 2020
Launched in India	No	Yes
Dimensions (mm)	162.91 x 77.93 x 8.18	164.00 x 75.00 x 8.00
Weight (g)	227.00	175.00
Battery capacity (mAh)	8550	4230
Fast charging	100W Fast Charging	-
Colours	Space Silver, Shadow Black and Sky Blue	Dynamic Black, Mystery Blue
Form factor	-	Touchscreen
display
Refresh Rate	165 Hz	-
Resolution Standard	1.5K	-
Screen size (inches)	6.83	6.52
Resolution	1280x2772 pixels	720x1600 pixels
Aspect ratio	-	20:9
hardware
Processor make	Snapdragon 8 Elite	MediaTek Helio P35 (MT6765)
RAM	12GB	3GB
Internal storage	256GB	32GB
Processor	-	octa-core
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	256
camera
Rear camera	50-megapixel + 8-megapixel	13-megapixel + 2-megapixel + 2-megapixel
No. of Rear Cameras	2	-
Front camera	20-megapixel	5-megapixel
No. of Front Cameras	1	-
software
Operating system	Android 16	Android 10
Skin	HyperOS 3	ColorOS 7.2
connectivity
Wi-Fi 7	Yes	-
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
NFC	Yes	-
USB Type-C	Yes	-
Wi-Fi	-	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
Micro-USB	-	Yes
Headphones	-	3.5mm
Number of SIMs	-	2
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	-
Face unlock	-	Yes
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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