Compare Oppo A57 with Samsung Galaxy J7 Prime with Vivo Y55S

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Compare Oppo A57 vs Samsung Galaxy J7 Prime vs Vivo Y55S

Summary	76 Score	80 Score	76 Score
Performance	Qualcomm MSM8940 Snapdragon 435 3 GB RAM Android 6.0 Marshmallow	Exynos 7870 Octa 3 GB RAM Android 6.0 Marshmallow	Qualcomm Snapdragon 425 3 GB RAM Android 6.0 Marshmallow based Funtouch OS 3.0
Display	5.2 inch 720 x 1280 pixels 282 PPI Density	5.5 inch 1920 x 1080 pixels 401 PPI Density	5.2 inch 720 x 1280 pixels 282 PPI Density
Camera	13 MP (Main) 16 MP (Front)	13 MP (Main) 8 MP (Front)	13 MP (Main) 5 MP (Front)
Battery	2900 mAh Li-ion	3300 mAh Li-ion	2730 mAh Li-on
Display
Screen Size	5.2 inch	5.5 inch	5.2 inch
Screen Resolution	720 x 1280 pixels	1080x1920 pixels	720 x 1280 pixels
Pixel Density	282 PPI	401 PPI	282 PPI
Display Type	IPS LCD capacitive touchscreen, 16M colors	FHD TFT	IPS LCD Capacitive TouchScreen
Gorilla Glass	Yes	Yes	Yes
Screen Protection	Gorilla Glass 4	-	Corning Gorilla Glass 2
Chipset
Brand	Oppo Mobiles	Samsung Mobiles	Vivo Mobiles
Chipset	Qualcomm MSM8940 Snapdragon 435	Exynos 7870 Octa	Qualcomm Snapdragon 425
Processor	Octa-core 1.4 GHz Cortex-A53	Octa-core 1.6 GHz Cortex-A53	1.4GHz Quad-core Processor
RAM	3 GB RAM	3 GB RAM	3 GB RAM
GPU	Adreno 505	Mali-T830MP2	Adreno 505 GPU
Camera
Rear Camera Resolution	13 MP	13 MP	13 MP
Front Camera Resolution	16 MP	8 MP	5 MP
Video
Camera Features	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Flash	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging
General
Operating System	Android	Android	Android
OS Version	Android 6.0 Marshmallow	Android 6.0 Marshmallow	Android 6.0 Marshmallow based Funtouch OS 3.0
Weight	147 g	167 g	142 g
Dimensions	149.1 x 72.9 x 7.7 mm	151.7 x 75 x 8 mm	147.9 x 72.9 x 7.5 mm
Thickness	7.7mm	8mm	7.5mm
Storage
Internal Storage	32 GB	16 GB	16 GB
Card Slot	microSD, Up to 256GB	microSD, Upto 256GB	microSD, up to 256 GB
Other	32GB, Expandable upto 256GB	16GB, Expandable upto 256GB	16GB, Expandable up to 256GB
Communication
SIM Card Slots	Dual SIM	Dual SIM	Dual SIM
SIM Card Type	Nano-SIM	Nano-SIM	Micro-SIM
Bluetooth	v4.1	v4.1	v4.1
3.5 mm Jack	Yes	Yes	Yes
NFC	No	No
Connectivity
VoLTE
4G	TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)	B1(2100), B3(1800), B5(850), B7(2600), B8(900), B20(800), B38(2600), B40(2300)	800 / 1800 / 1900 / 2100 / 2600 MHz LTE, Speed: 150 Mbps (Downlink), 50 Mbps (Uplink)
3G	UMTS 1900 / 2100 / 850 / 900 MHz	B1(2100), B2(1900), B5(850), B8(900)	850 / 900 / 1900 / 2100 MHz HSDPA, Speed: 21 Mbps (HSDPA), 5.76 Mbps (HSUP
2G	GSM 1800 / 1900 / 850 / 900 MHz	GSM850, GSM900, DCS1800, PCS1900	850 / 900 / 1800 / 1900 MHz
Wi-Fi	Wi-Fi 802.11 a/g/n	Wi-Fi 802.11 a/g/n	Wi-Fi 802.11 b/g/n
GPS	A-GPS	GPS, Glonass, Beidou	A-GPS / GPS
GPRS
EDGE
Radio
Battery
Battery Capacity	2900 mAh	3300 mAh	2730 mAh
Battery Type	Li-ion	Li-ion	Li-on
Standby Time		Up to 84 h	Up to 250 Hours
Talk Time		Up to 21 h (3G)	Up to 11 Hours
Other Features
Fingerprint Scanner
Waterproof
Sensors	Distance Sensor Light Sensor G-sensor E-compass	Accelerometer proximity	Proximity Sensor Accelerometer Ambient Light G-Sensor Gyro
Messaging	SMS (threaded view), MMS, Email, Push Email	SMS(threaded view), MMS, Email, IM	SMS, MMS, Email, Push Mail, IM, Hangouts
Java
Other