OPPO A6x 5G vs Xiaomi Redmi K20 comparison

Show Only Differences Highlight Differences	OPPO A6x 5G	Xiaomi Redmi K20
key specs
Display	6.75-inch	6.39-inch
Processor	MediaTek Dimensity 6300	Qualcomm Snapdragon 730
Front Camera	5-megapixel	20-megapixel
Rear Camera	13-megapixel	48-megapixel + 8-megapixel + 13-megapixel
RAM	4GB, 6GB	6GB
Storage	64GB, 128GB	64GB
Battery Capacity	6,500mAh	4000mAh
OS	Android 15	Android Pie
Resolution	720x1,570 pixels	1080x2340 pixels
general
Brand	OPPO	Xiaomi
Model	A6x 5G	Redmi K20
Release date	December 2, 2025	May 28, 2019
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	166.60 x 78.50 x 8.60	156.70 x 74.30 x 8.80
Weight (g)	212.00	191.00
Battery capacity (mAh)	6,500	4000
Removable battery	No	-
Fast charging	45W Fast Charging	Proprietary
Wireless charging	No	-
Colours	Ice Blue and Olive Green	Carbon Black, Glacier Blue, Flame Red
Body type	-	Glass
display
Refresh Rate	120 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.75	6.39
Touchscreen	Yes	Yes
Resolution	720x1,570 pixels	1080x2340 pixels
Pixels per inch (PPI)	256	403
Protection type	-	Gorilla Glass
Aspect ratio	-	19.5:9
hardware
Processor	octa-core	1.8GHz octa-core (6x1.8GHz + 2x2.2GHz)
Processor make	MediaTek Dimensity 6300	Qualcomm Snapdragon 730
RAM	4GB, 6GB	6GB
Internal storage	64GB, 128GB	64GB
Expandable storage	-	No
Dedicated microSD slot	-	No
camera
Rear camera	13-megapixel (f/2.2)	48-megapixel (f/1.75, 1.6-micron) + 8-megapixel (f/2.4, 1.12-micron) + 13-megapixel (f/2.4, 1.12-micron)
Rear flash	Yes	Yes
Front camera	5-megapixel (f/2.2)	20-megapixel (f/2.2, 0.8-micron)
No. of Front Cameras	1	-
Pop-Up Camera	No	Yes
Rear autofocus	-	Yes
Front flash	-	No
software
Operating system	Android 15	Android Pie
Skin	ColorOS 15	MIUI 10
connectivity
Wi-Fi	Yes	Yes
Bluetooth	Yes, v 5.40	Yes, v 5.00
USB Type-C	Yes	Yes
Headphones	3.5mm	3.5mm
Number of SIMs	2	2
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
GPS	-	Yes
NFC	-	No
Infrared	-	Yes
Wi-Fi Direct	-	Yes
Active 4G on both SIM cards	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM + CDMA	GSM
4G/ LTE	Yes	Yes
5G	Yes	-
3G	-	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM + CDMA	GSM
4G/ LTE	Yes	Yes
5G	Yes	-
3G	-	Yes
sensors
Face unlock	Yes	Yes
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	-	Yes
ratings
Overall NDTV Rating	-	Read Review
Design Rating	-
Display Rating	-
Software Rating	-
Performance Rating	-
Battery Life Rating	-
Camera Rating	-
Value for Money Rating	-

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