Oppo A77 4G vs Vivo Y66 comparison

Show Only Differences Highlight Differences	Oppo A77 4G	Vivo Y66
key specs
Display	6.56-inch	5.50-inch
Front Camera	8-megapixel	16-megapixel
Rear Camera	50-megapixel	13-megapixel
RAM	4GB	3GB
Storage	64GB	32GB
Battery Capacity	5000mAh	3000mAh
OS	Android 12	Android 6.0
Processor	-	octa-core
Resolution	-	720x1280 pixels
general
Brand	Oppo	Vivo
Model	A77 4G	Y66
Release date	August 1, 2022	March 1, 2017
Launched in India	Yes	-
Dimensions (mm)	163.74 x 75.03 x 7.99	153.80 x 75.50 x 7.60
Weight (g)	187.00	155.00
Battery capacity (mAh)	5000	3000
Fast charging	Super VOOC	-
Colours	Sky Blue, Sunset Orange	Crown Gold, Matte Black
Form factor	-	Touchscreen
Removable battery	-	No
display
Resolution Standard	HD+	-
Screen size (inches)	6.56	5.50
Touchscreen	Yes	Yes
Pixels per inch (PPI)	269	-
Resolution	-	720x1280 pixels
hardware
RAM	4GB	3GB
Internal storage	64GB	32GB
Processor	-	octa-core
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	256
camera
Rear camera	50-megapixel	13-megapixel
No. of Rear Cameras	2	-
Front camera	8-megapixel	16-megapixel
Rear flash	-	LED
Front flash	-	Yes
software
Operating system	Android 12	Android 6.0
Skin	-	Funtouch 3.0
connectivity
Wi-Fi	Yes	Yes
Bluetooth	Yes	Yes, v 4.00
Wi-Fi standards supported	-	802.11 b/g/n
GPS	-	Yes
NFC	-	No
Infrared	-	No
USB OTG	-	Yes
Headphones	-	Yes
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	-	No
Barometer	-	No
Temperature sensor	-	No
ratings
Overall NDTV Rating	-	Read Review
Design Rating	-
Display Rating	-
Software Rating	-
Performance Rating	-
Battery Life Rating	-
Camera Rating	-
Value for Money Rating	-
sim 1
SIM Type	-	Micro-SIM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
SIM Type	-	Nano-SIM
3G	-	No
4G/ LTE	-	Yes

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