Vivo Y51A vs Vivo S1 Pro (China) comparison

Show Only Differences Highlight Differences	Vivo Y51A	Vivo S1 Pro (China)
key specs
Display	6.58-inch	6.39-inch
Processor	Qualcomm Snapdragon 662	-
Front Camera	16-megapixel	32-megapixel
Rear Camera	48-megapixel + 8-megapixel + 2-megapixel	48-megapixel + 8-megapixel + 5-megapixel
RAM	6GB, 8GB	6GB
Storage	128GB	128GB
Battery Capacity	5000mAh	3700mAh
OS	Android 11	Android Pie
Resolution	1080x2048 pixels	1080x2340 pixels
general
Brand	Vivo	Vivo
Model	Y51A	S1 Pro (China)
Release date	January 11, 2021	May 3, 2019
Launched in India	Yes	No
Form factor	Touchscreen	-
Dimensions (mm)	163.86 x 75.32 x 8.38	157.25 x 74.71 x 8.21
Weight (g)	188.00	185.00
Battery capacity (mAh)	5000	3700
Fast charging	Proprietary	-
Colours	Titanium Sapphire, Crystal Symphony	Love Blue, Coral Red
display
Screen size (inches)	6.58	6.39
Touchscreen	Yes	Yes
Resolution	1080x2048 pixels	1080x2340 pixels
Aspect ratio	-	19.5:9
hardware
Processor	octa-core	-
Processor make	Qualcomm Snapdragon 662	Qualcomm Snapdragon 675
RAM	6GB, 8GB	6GB
Internal storage	128GB	128GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	1000	128
Dedicated microSD slot	Yes	-
camera
Rear camera	48-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)	48-megapixel (f/1.7) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4)
Rear flash	Yes	Yes
Front camera	16-megapixel (f/2.0)	32-megapixel (f/2.0)
Rear autofocus	-	Yes
Pop-Up Camera	-	Yes
software
Operating system	Android 11	Android Pie
Skin	Funtouch OS 11	FunTouch OS 9
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	-
Bluetooth	Yes, v 5.00	Yes
USB Type-C	Yes	-
FM	Yes	-
Number of SIMs	2	2
Micro-USB	-	Yes
sim 1
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	-
Accelerometer	Yes	-
Ambient light sensor	Yes	-
Gyroscope	Yes	-

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