Realme 15T vs Vivo U1 comparison

Compare Realme 15T
Compare Vivo U1
key specs
Display6.57-inch6.20-inch
ProcessorMediaTek Dimensity 6400Qualcomm Snapdragon 439
Front Camera50-megapixel 8-megapixel
Rear Camera50-megapixel + 2-megapixel 13-megapixel + 2-megapixel
RAM8GB, 12GB3GB
Storage128GB, 256GB32GB
Battery Capacity7000mAh4030mAh
OSAndroid 15Android 8.1 Oreo
Resolution1080x2372 pixels720x1520 pixels
general
BrandRealmeVivo
Model15TU1
Release dateSeptember 2, 2025February 1, 2019
AI EnabledYes-
Launched in IndiaYesNo
Form factorTouchscreen-
Thickness7.79-
Weight (g)181.00163.50
IP ratingIP69-
Battery capacity (mAh)70004030
Removable batteryNo-
Fast chargingSuper VOOC-
ColoursFlowing Silver, Silk Blue, Suit TitaniumStarry Black, Blue, Aurora Red
Dimensions (mm)-155.10 x 75.09 x 8.28
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.576.20
TouchscreenYesYes
Resolution1080x2372 pixels720x1520 pixels
hardware
Processorocta-coreocta-core
Processor makeMediaTek Dimensity 6400Qualcomm Snapdragon 439
RAM8GB, 12GB3GB
Internal storage128GB, 256GB32GB
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)13-megapixel (f/2.0) + 2-megapixel (f/2.2)
No. of Rear Cameras2-
Rear flashYes-
Front camera50-megapixel (f/2.4)8-megapixel
No. of Front Cameras1-
Rear autofocus-Yes
software
Operating systemAndroid 15Android 8.1 Oreo
SkinRealme UI 6Funtouch OS 4.5
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.30Yes
InfraredYes-
USB OTGYes-
USB Type-CYes-
HeadphonesType-C-
Number of SIMs2-
Active 4G on both SIM cardsYes-
sim 1
SIM TypeNano-SIM-
sim 2
SIM TypeNano-SIM-
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYes-
Proximity sensorYes-
AccelerometerYes-
Ambient light sensorYes-
GyroscopeYes-
Face unlock-Yes
Fingerprint sensor-Yes

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