Redmi K90 Ultra vs OPPO K13 5G comparison

Show Only Differences Highlight Differences	Redmi K90 Ultra	OPPO K13 5G
key specs
Display	6.83-inch	6.70-inch
Front Camera	20-megapixel	16-megapixel
Rear Camera	50-megapixel + 8-megapixel	50-megapixel + 2-megapixel
RAM	12GB	8GB
Storage	256GB	128GB, 256GB
Battery Capacity	8550mAh	7000mAh
OS	Android 16	Android 15
Resolution	1280x2772 pixels	1080x2400 pixels
Processor	-	Qualcomm Snapdragon 6 Gen 4
general
Brand	Xiaomi	OPPO
Model	Redmi K90 Ultra	K13 5G
Release date	June 30, 2026	April 21, 2025
Launched in India	No	Yes
Dimensions (mm)	162.91 x 77.93 x 8.18	-
Weight (g)	227.00	208.00
Battery capacity (mAh)	8550	7000
Fast charging	100W Fast Charging	80W Fast Charging
Colours	Space Silver, Shadow Black and Sky Blue	Icy Purple, Prism Black
AI Enabled	-	Yes
Form factor	-	Touchscreen
Thickness	-	8.45
IP rating	-	IP65
display
Refresh Rate	165 Hz	120 Hz
Resolution Standard	1.5K	FHD+
Screen size (inches)	6.83	6.70
Resolution	1280x2772 pixels	1080x2400 pixels
Touchscreen	-	Yes
hardware
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 6 Gen 4
RAM	12GB	8GB
Internal storage	256GB	128GB, 256GB
Processor	-	octa-core
camera
Rear camera	50-megapixel + 8-megapixel	50-megapixel (f/1.85) + 2-megapixel
No. of Rear Cameras	2	2
Front camera	20-megapixel	16-megapixel (f/2.4)
No. of Front Cameras	1	1
software
Operating system	Android 16	Android 15
Skin	HyperOS 3	ColorOS 15
connectivity
Wi-Fi 7	Yes	-
GPS	Yes	Yes
Bluetooth	Yes	Yes
NFC	Yes	-
USB Type-C	Yes	Yes
Wi-Fi	-	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
Number of SIMs	-	2
Active 4G on both SIM cards	-	Yes
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
In-Display Fingerprint Sensor	-	Yes
sim 2
SIM Type	-	Nano-SIM
4G/ LTE	-	Yes
5G	-	Yes

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