Vivo S2 FE vs Vivo X21 UD comparison

Show Only Differences Highlight Differences	Vivo S2 FE	Vivo X21 UD
key specs
Display	6.83-inch	6.28-inch
Processor	MediaTek Dimensity 7300e	Qualcomm Snapdragon 660
Front Camera	32-megapixel	12-megapixel
Rear Camera	50-megapixel + 2-megapixel	12-megapixel
RAM	6GB, 8GB	6GB
Storage	128GB	128GB
Battery Capacity	10000mAh	3200mAh
OS	Android 16	Android 8.1
Resolution	-	1080x2280 pixels
general
Brand	Vivo	Vivo
Model	S2 FE	X21 UD
Release date	October 6, 2026	March 1, 2018
AI Enabled	Yes	-
Launched in India	Yes	-
Battery capacity (mAh)	10000	3200
Fast charging	44W Flash Charge	-
Colours	Stellar Green, Zen White, Titan Black	Ruby Red, Aurora White, Black
Form factor	-	Touchscreen
Dimensions (mm)	-	154.50 x 74.80 x 7.40
Weight (g)	-	156.20
display
Refresh Rate	120 Hz	-
Resolution Standard	1.5K	-
Screen size (inches)	6.83	6.28
Touchscreen	Yes	Yes
Resolution	-	1080x2280 pixels
hardware
Processor	octa-core	octa-core
Processor make	MediaTek Dimensity 7300e	Qualcomm Snapdragon 660
RAM	6GB, 8GB	6GB
Internal storage	128GB	128GB
camera
Rear camera	50-megapixel + 2-megapixel	12-megapixel
No. of Rear Cameras	2	-
Front camera	32-megapixel	12-megapixel
No. of Front Cameras	1	-
Rear flash	-	LED
software
Operating system	Android 16	Android 8.1
Skin	OriginOS 6	FunTouch 4.0
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes, v 5.00
USB OTG	Yes	Yes
USB Type-C	Yes	-
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
Headphones	-	3.5mm
Number of SIMs	-	2
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
sensors
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	Yes

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