Oppo A77s vs Vivo Y51 comparison

Show Only Differences Highlight Differences	Oppo A77s	Vivo Y51
key specs
Display	6.56-inch	5.00-inch
Front Camera	8-megapixel	5-megapixel
Rear Camera	50-megapixel + 2-megapixel	8-megapixel
RAM	8GB	2GB
Storage	128GB	16GB
Battery Capacity	5000mAh	2350mAh
OS	Android 12	Android 5.0.2
Resolution	1612x720 pixels	540x960 pixels
Processor	-	1.2GHz quad-core
general
Brand	Oppo	Vivo
Model	A77s	Y51
Release date	October 6, 2022	November 1, 2015
Launched in India	Yes	-
Dimensions (mm)	163.74 x 75.03 x 7.99	143.80 x 71.70 x 7.52
Weight (g)	187.00	157.00
Battery capacity (mAh)	5000	2350
Fast charging	Super VOOC	-
Colours	Sunset Orange, Starry Black	White
Form factor	-	Touchscreen
Removable battery	-	No
display
Refresh Rate	90 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.56	5.00
Touchscreen	Yes	Yes
Resolution	1612x720 pixels	540x960 pixels
Pixels per inch (PPI)	269	-
hardware
Processor make	Qualcomm Snapdragon 680	-
RAM	8GB	2GB
Internal storage	128GB	16GB
Expandable storage type	microSD	microSD
Processor	-	1.2GHz quad-core
Expandable storage	-	Yes
Expandable storage up to (GB)	-	128
camera
Rear camera	50-megapixel (f/1.8) + 2-megapixel (f/2.4)	8-megapixel
No. of Rear Cameras	2	-
Front camera	8-megapixel (f/2.0)	5-megapixel
No. of Front Cameras	1	-
Rear flash	-	LED
software
Operating system	Android 12	Android 5.0.2
Skin	ColorOS 12.1	FunTouch OS
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes
USB Type-C	Yes	-
Headphones	3.5mm	3.5mm
Active 4G on both SIM cards	Yes	-
NFC	-	No
Infrared	-	No
USB OTG	-	No
FM	-	Yes
Number of SIMs	-	2
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	-	No
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	Yes
Barometer	-	No
Temperature sensor	-	No
sim 1
SIM Type	-	Micro-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
SIM Type	-	Micro-SIM
GSM/CDMA	-	GSM
3G	-	No
4G/ LTE	-	Yes

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