Realme 15T vs Vivo X20 Plus UD comparison

Compare Realme 15T
Compare Vivo X20 Plus UD
key specs
Display6.57-inch6.43-inch
ProcessorMediaTek Dimensity 6400Qualcomm Snapdragon 660
Front Camera50-megapixel 12-megapixel
Rear Camera50-megapixel + 2-megapixel 12-megapixel
RAM8GB, 12GB4GB
Storage128GB, 256GB128GB
Battery Capacity7000mAh3905mAh
OSAndroid 15Android 7.1
Resolution1080x2372 pixels1080x2160 pixels
general
BrandRealmeVivo
Model15TX20 Plus UD
Release dateSeptember 2, 2025January 1, 2018
AI EnabledYes-
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Thickness7.79-
Weight (g)181.00181.50
IP ratingIP69-
Battery capacity (mAh)70003905
Removable batteryNoNo
Fast chargingSuper VOOC-
ColoursFlowing Silver, Silk Blue, Suit TitaniumBlack
Dimensions (mm)-165.20 x 80.09 x 7.35
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.576.43
TouchscreenYesYes
Resolution1080x2372 pixels1080x2160 pixels
hardware
Processorocta-core1.8GHz octa-core
Processor makeMediaTek Dimensity 6400Qualcomm Snapdragon 660
RAM8GB, 12GB4GB
Internal storage128GB, 256GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2000256
Dedicated microSD slotNo-
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)12-megapixel
No. of Rear Cameras2-
Rear flashYesYes
Front camera50-megapixel (f/2.4)12-megapixel
No. of Front Cameras1-
software
Operating systemAndroid 15Android 7.1
SkinRealme UI 6FunTouch OS
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.30Yes, v 5.00
InfraredYesNo
USB OTGYesYes
USB Type-CYes-
HeadphonesType-C3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
NFC-No
FM-No
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Barometer-No
Temperature sensor-No

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