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OPPO K14x 5G vs Mi Max 3 comparison

 Compare OPPO K14x 5G
OPPO K14x 5G
Compare Mi Max 3
Mi Max 3
key specs
Display6.75-inch6.90-inch
ProcessorMediaTek Dimensity 6300Qualcomm Snapdragon 636
Front Camera5-megapixel 8-megapixel
Rear Camera50-megapixel + 2-megapixel 12-megapixel + 5-megapixel
RAM4GB, 6GB4GB
Storage128GB64GB
Battery Capacity6500mAh5500mAh
OSAndroid 15Android 8.1 Oreo
Resolution720x1570 pixels1080x2160 pixels
general
BrandOPPOXiaomi
ModelK14x 5GMi Max 3
Release dateFebruary 10, 2026July 1, 2018
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)166.60 x 78.50 x 8.60176.15 x 87.40 x 7.99
Weight (g)212.00221.00
IP ratingIP64-
Battery capacity (mAh)65005500
Removable batteryNo-
Fast charging45W Fast ChargingQuick Charge 3.0
Wireless chargingNo-
ColoursIcy Blue, Prism VioletDark Blue, Dream Gold, Meteorite Black
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.756.90
TouchscreenYesYes
Resolution720x1570 pixels1080x2160 pixels
Pixels per inch (PPI)256-
Aspect ratio-18:9
hardware
Processorocta-core1.8GHz octa-core
Processor makeMediaTek Dimensity 6300Qualcomm Snapdragon 636
RAM4GB, 6GB4GB
Internal storage128GB64GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)12-megapixel (f/1.9, 1.4-micron) + 5-megapixel
No. of Rear Cameras2-
Rear autofocusYesPhase detection autofocus
Rear flashYesDual LED
Front camera5-megapixel (f/2.2)8-megapixel (f/2.2, 1.12-micron)
No. of Front Cameras1-
Pop-Up CameraNo-
Front flash-Yes
software
Operating systemAndroid 15Android 8.1 Oreo
SkinColorOS 15MIUI 10
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
USB Type-CYesYes
Number of SIMs22
Active 4G on both SIM cardsYes-
Wi-Fi standards supported-802.11 a/b/g/n/ac
Headphones-3.5mm
FM-Yes
Wi-Fi Direct-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes
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