Vivo T4R 5G vs Vivo X21 UD comparison

Show Only Differences Highlight Differences	Vivo T4R 5G	Vivo X21 UD
key specs
Display	6.77-inch	6.28-inch
Front Camera	32-megapixel	12-megapixel
Rear Camera	50-megapixel + 2-megapixel	12-megapixel
RAM	8GB, 12GB	6GB
Storage	128GB, 256GB	128GB
Battery Capacity	5700mAh	3200mAh
OS	Android 15	Android 8.1
Resolution	1080x2392 pixels	1080x2280 pixels
Processor	-	Qualcomm Snapdragon 660
general
Brand	Vivo	Vivo
Model	T4R 5G	X21 UD
Release date	July 31, 2025	March 1, 2018
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	163.29 x 76.72 x 7.39	154.50 x 74.80 x 7.40
Weight (g)	183.50	156.20
IP rating	IP69	-
Battery capacity (mAh)	5700	3200
Removable battery	No	-
Fast charging	44W Flash Charge	-
Colours	Arctic White, Twilight Blue	Ruby Red, Aurora White, Black
display
Refresh Rate	120 Hz	-
Resolution Standard	FHD+	-
Screen size (inches)	6.77	6.28
Touchscreen	Yes	Yes
Resolution	1080x2392 pixels	1080x2280 pixels
hardware
Processor make	MediaTek Dimensity 7400	Qualcomm Snapdragon 660
RAM	8GB, 12GB	6GB
Internal storage	128GB, 256GB	128GB
Processor	-	octa-core
camera
Rear camera	50-megapixel (f/1.79) + 2-megapixel (f/2.4)	12-megapixel
No. of Rear Cameras	2	-
Rear flash	Yes	LED
Front camera	32-megapixel (f/2.45)	12-megapixel
No. of Front Cameras	1	-
software
Operating system	Android 15	Android 8.1
Skin	FuntouchOS 15	FunTouch 4.0
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes, v 5.00
USB Type-C	Yes	-
Number of SIMs	2	2
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
USB OTG	-	Yes
Headphones	-	3.5mm
sensors
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	-
Gyroscope	Yes	Yes
Ambient light sensor	-	Yes
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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