Oppo A5x vs Xiaomi Redmi K20 comparison

Compare Oppo A5x
Compare Xiaomi Redmi K20
key specs
Display6.67-inch6.39-inch
Front Camera5-megapixel20-megapixel
Rear Camera32-megapixel48-megapixel + 8-megapixel + 13-megapixel
RAM4GB6GB
Storage64GB64GB
Battery Capacity6000mAh4000mAh
OSAndroid 15Android Pie
Resolution720x1604 pixels1080x2340 pixels
Processor-Qualcomm Snapdragon 730
general
BrandOppoXiaomi
ModelA5xRedmi K20
Release dateMay 16, 2025May 28, 2019
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.71 x 76.24 x 7.99156.70 x 74.30 x 8.80
Weight (g)193.00191.00
IP ratingIP65-
Battery capacity (mAh)60004000
Fast charging45W Fast ChargingProprietary
Wireless chargingNo-
ColoursMidnight Blue, Laser WhiteCarbon Black, Glacier Blue, Flame Red
Body type-Glass
display
Refresh Rate90 Hz-
Screen size (inches)6.676.39
Resolution720x1604 pixels1080x2340 pixels
Protection typeGorilla GlassGorilla Glass
Pixels per inch (PPI)264403
Touchscreen-Yes
Aspect ratio-19.5:9
hardware
Processor makeQualcomm Snapdragon 6s Gen 1Qualcomm Snapdragon 730
RAM4GB6GB
Internal storage64GB64GB
Processor-1.8GHz octa-core (6x1.8GHz + 2x2.2GHz)
Expandable storage-No
Dedicated microSD slot-No
camera
Rear camera32-megapixel48-megapixel (f/1.75, 1.6-micron) + 8-megapixel (f/2.4, 1.12-micron) + 13-megapixel (f/2.4, 1.12-micron)
No. of Rear Cameras1-
Front camera5-megapixel20-megapixel (f/2.2, 0.8-micron)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
Pop-Up Camera-Yes
Front flash-No
software
Operating systemAndroid 15Android Pie
SkinColorOS 15.0MIUI 10
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 5.00
NFCYesNo
USB Type-CYesYes
Headphones3.5mm3.5mm
Wi-Fi standards supported-802.11 a/b/g/n/ac
Infrared-Yes
Number of SIMs-2
Wi-Fi Direct-Yes
Active 4G on both SIM cards-Yes
sensors
Face unlockYesYes
Fingerprint sensorYesYes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-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-
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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