Vivo Y71i vs Vivo Y66 vs Vivo Y55s comparison

Show Only Differences Highlight Differences	Vivo Y71i	Vivo Y66	Vivo Y55s
key specs
Display	6.00-inch	5.50-inch	5.20-inch
Processor	Qualcomm Snapdragon 425	octa-core	Qualcomm Snapdragon 425
Front Camera	5-megapixel	16-megapixel	5-megapixel
Rear Camera	8-megapixel	13-megapixel	13-megapixel
RAM	2GB	3GB	3GB
Storage	16GB	32GB	16GB
Battery Capacity	3285mAh	3000mAh	2730mAh
OS	Android 8.1 Oreo	Android 6.0	Android 6.0
Resolution	720x1440 pixels	720x1280 pixels	1280x720 pixels
general
Brand	Vivo	Vivo	Vivo
Model	Y71i	Y66	Y55s
Release date	July 1, 2018	March 1, 2017	February 1, 2017
Launched in India	Yes	-	Yes
Form factor	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	155.87 x 75.74 x 7.80	153.80 x 75.50 x 7.60	147.90 x 72.90 x 7.50
Weight (g)	150.00	155.00	142.00
Battery capacity (mAh)	3285	3000	2730
Removable battery	-	No	No
Colours	-	Crown Gold, Matte Black	Gold, Space Grey
SAR value	-	-	1.08
display
Screen size (inches)	6.00	5.50	5.20
Touchscreen	Yes	Yes	Yes
Resolution	720x1440 pixels	720x1280 pixels	1280x720 pixels
Aspect ratio	18:9	-	16:9
Pixels per inch (PPI)	269	-	282
hardware
Processor	1.4GHz quad-core	octa-core	1.4GHz quad-core
Processor make	Qualcomm Snapdragon 425	-	Qualcomm Snapdragon 425
RAM	2GB	3GB	3GB
Internal storage	16GB	32GB	16GB
Expandable storage	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD
Expandable storage up to (GB)	256	256	256
camera
Rear camera	8-megapixel (f/1.0)	13-megapixel	13-megapixel (f/2.2)
Front camera	5-megapixel (f/2.2)	16-megapixel	5-megapixel (f/2.2)
Rear flash	-	LED	LED
Front flash	-	Yes	-
Rear autofocus	-	-	Yes
software
Operating system	Android 8.1 Oreo	Android 6.0	Android 6.0
Skin	FunTouch OS	Funtouch 3.0	Funtouch OS 3.0
connectivity
Bluetooth	Yes, v 4.20	Yes, v 4.00	Yes
USB OTG	No	Yes	Yes
Wi-Fi	-	Yes	Yes
Wi-Fi standards supported	-	802.11 b/g/n	-
GPS	-	Yes	Yes
NFC	-	No	No
Infrared	-	No	No
Headphones	-	Yes	3.5mm
FM	-	Yes	Yes
Number of SIMs	-	2	2
Wi-Fi Direct	-	No	No
Mobile High-Definition Link (MHL)	-	No	No
Micro-USB	-	-	Yes
sensors
Proximity sensor	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes
Ambient light sensor	Yes	Yes	Yes
Compass/ Magnetometer	-	No	Yes
Gyroscope	-	No	Yes
Barometer	-	No	No
Temperature sensor	-	No	No
ratings
Overall NDTV Rating	-	Read Review	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	Micro-SIM
3G	-	Yes	Yes
4G/ LTE	-	Yes	Yes
GSM/CDMA	-	-	GSM
sim 2
SIM Type	-	Nano-SIM	-
3G	-	No	No
4G/ LTE	-	Yes	No

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