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Vivo T4 Pro vs Vivo X21 UD comparison

 Compare Vivo T4 Pro
Vivo T4 Pro
Compare Vivo X21 UD
Vivo X21 UD
key specs
Display6.77-inch6.28-inch
Front Camera32-megapixel 12-megapixel
Rear Camera50-megapixel + 50-megapixel + 2-megapixel 12-megapixel
RAM8GB, 12GB6GB
Storage128GB, 256GB128GB
Battery Capacity6500mAh3200mAh
OSAndroid 15Android 8.1
Resolution1080x2392 pixels1080x2280 pixels
Processor-Qualcomm Snapdragon 660
general
BrandVivoVivo
ModelT4 ProX21 UD
Release dateAugust 26, 2025March 1, 2018
AI EnabledYes-
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)163.53 x 76.96 x 7.53154.50 x 74.80 x 7.40
Weight (g)192.00156.20
IP ratingIP69-
Battery capacity (mAh)65003200
Removable batteryNo-
Fast charging90W Fast Charging-
Wireless chargingNo-
ColoursBlaze Gold, Nitro BlueRuby Red, Aurora White, Black
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.776.28
TouchscreenYesYes
Resolution1080x2392 pixels1080x2280 pixels
hardware
Processor makeQualcomm Snapdragon 7 Gen 4Qualcomm Snapdragon 660
RAM8GB, 12GB6GB
Internal storage128GB, 256GB128GB
Processor-octa-core
camera
Rear camera50-megapixel (f/1.79) + 50-megapixel (f/1.65) + 2-megapixel (f/2.4)12-megapixel
No. of Rear Cameras3-
Rear flashYesLED
Front camera32-megapixel (f/2.45)12-megapixel
No. of Front Cameras1-
Lens Type (Second Rear Camera)Telephoto-
software
Operating systemAndroid 15Android 8.1
SkinFuntouchOS 15FunTouch 4.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
USB OTGYesYes
USB Type-CYes-
HeadphonesType-C3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYes-
Ambient light sensorYesYes
GyroscopeYesYes
sim 1
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
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