Compare Vivo Y55 with Vivo Y55S with Vivo Y66

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Compare Vivo Y55 vs Vivo Y55S vs Vivo Y66

Summary	76 Score	76 Score	75 Score
Performance	Qualcomm Snapdragon 430 2 GB RAM Android , Marshmallow 6.0 with Funtouch	Qualcomm Snapdragon 425 3 GB RAM Android 6.0 Marshmallow based Funtouch OS 3.0	MediaTek MT6750 3 GB RAM Android 6.0.1, Marshmallow
Display	5.2 inch 1280 x 720 pixels 282 PPI Density	5.2 inch 720 x 1280 pixels 282 PPI Density	5.5 inch 720 x 1280 pixels 267 PPI Density
Camera	8 MP (Main) 5 MP (Front)	13 MP (Main) 5 MP (Front)	13 MP (Main) 16 MP (Front)
Battery	2730 mAh Li-on	2730 mAh Li-on	3000 mAh Li-po
Display
Screen Size	5.2 inch	5.2 inch	5.5 inch
Screen Resolution	1280 x 720 pixels, 16 M	720 x 1280 pixels	720
Pixel Density	282 PPI	282 PPI	267 PPI
Display Type	IPS LCD Capacitive TouchScreen	IPS LCD Capacitive TouchScreen	IPS LCD, Multi-touch
Gorilla Glass	Yes	Yes	Yes
Screen Protection	Corning Gorilla Glass 2	Corning Gorilla Glass 2	Gorilla Glass 3
Chipset
Brand	Vivo Mobiles	Vivo Mobiles	Vivo Mobiles
Chipset	Qualcomm Snapdragon 430	Qualcomm Snapdragon 425	MediaTek MT6750
Processor	Octa core 1.4 GHz	1.4GHz Quad-core Processor	1.5 Ghz Octa-core Processor
RAM	2 GB RAM	3 GB RAM	3 GB RAM
GPU	Adreno 505	Adreno 505 GPU	Adreno 505 GPU
Camera
Rear Camera Resolution	8 MP	13 MP	13 MP
Front Camera Resolution	5 MP	5 MP	16 MP
Video
Camera Features	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging
General
Operating System	Android	Android	Android
OS Version	Android , Marshmallow 6.0 with Funtouch	Android 6.0 Marshmallow based Funtouch OS 3.0	Android 6.0.1, Marshmallow
Weight	142 g	142 g	155 g
Dimensions	147.9 mm x 72.9 mm x 7.5 mm	147.9 x 72.9 x 7.5 mm	153.8 x 75.5 x 7.6 mm
Thickness		7.5mm	7.6mm
Storage
Internal Storage	16 GB	16 GB	32 GB
Card Slot	microSD, up to 128 GB	microSD, up to 256 GB	microSD, Up to 128GB
Other	16GB, Expandable up to 128GB	16GB, Expandable up to 256GB	32GB, Expandable upto 128GB
Communication
SIM Card Slots	Dual SIM	Dual SIM	Dual SIM
SIM Card Type	Micro-SIM	Micro-SIM	Micro-SIM
Bluetooth	v4.1	v4.1	v4.1
3.5 mm Jack	Yes	Yes	Yes
NFC			No
Connectivity
VoLTE
4G	800 / 1800 / 1900 / 2100 / 2600 MHz LTE, Speed: 150 Mbps (Downlink), 50 Mbps (Uplink)	800 / 1800 / 1900 / 2100 / 2600 MHz LTE, Speed: 150 Mbps (Downlink), 50 Mbps (Uplink)	LTE 2100, LTE 800, LTE 1800, LTE 2600
3G	850 / 900 / 1900 / 2100 MHz HSDPA, Speed: 21 Mbps (HSDPA), 5.76 Mbps (HSUP	850 / 900 / 1900 / 2100 MHz HSDPA, Speed: 21 Mbps (HSDPA), 5.76 Mbps (HSUP	UMTS 1900 / 2100 / 850 / 900 MHz
2G	850 / 900 / 1800 / 1900 MHz	850 / 900 / 1800 / 1900 MHz	GSM 1800 / 1900 / 850 / 900 MHz
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot
GPS	A-GPS / GPS	A-GPS / GPS	A-GPS
GPRS
EDGE
Radio
Battery
Battery Capacity	2730 mAh	2730 mAh	3000 mAh
Battery Type	Li-on	Li-on	Li-po
Standby Time	Up to 270 H	Up to 250 Hours
Talk Time	Up to 8 H	Up to 11 Hours
Other Features
Fingerprint Scanner
Waterproof
Sensors	Proximity Sensor Accelerometer Ambient Light	Proximity Sensor Accelerometer Ambient Light G-Sensor Gyro	Accelerometer Gyro sensor and Geomagnetic sensor
Messaging		SMS, MMS, Email, Push Mail, IM, Hangouts
Java
Other