Compare Oppo A57 with Vivo Y55S with Xiaomi Mi4

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Compare Oppo A57 vs Vivo Y55S vs Xiaomi Mi4

Summary	76 Score	76 Score	75 Score
Performance	Qualcomm MSM8940 Snapdragon 435 3 GB RAM Android 6.0 Marshmallow	Qualcomm Snapdragon 425 3 GB RAM Android 6.0 Marshmallow based Funtouch OS 3.0	Qualcomm MSM8974AC Snapdragon 801 3 GB RAM Android OS, v4.4.3
Display	5.2 inch 720 x 1280 pixels 282 PPI Density	5.2 inch 720 x 1280 pixels 282 PPI Density	5 inch 1080 x 1920 pixels 441 PPI Density
Camera	13 MP (Main) 16 MP (Front)	13 MP (Main) 5 MP (Front)	13 MP (Main) 8 MP (Front)
Battery	2900 mAh Li-ion	2730 mAh Li-on	3080 mAh Li-Ion
Display
Screen Size	5.2 inch	5.2 inch	5 inch
Screen Resolution	720 x 1280 pixels	720 x 1280 pixels	1080x1920 pixels
Pixel Density	282 PPI	282 PPI	441 PPI
Display Type	IPS LCD capacitive touchscreen, 16M colors	IPS LCD Capacitive TouchScreen	IPS LCD capacitive touchscreen, 16M colors
Gorilla Glass	Yes	Yes	-
Screen Protection	Gorilla Glass 4	Corning Gorilla Glass 2	-
Chipset
Brand	Oppo Mobiles	Vivo Mobiles	Xiaomi Mobiles
Chipset	Qualcomm MSM8940 Snapdragon 435	Qualcomm Snapdragon 425	Qualcomm MSM8974AC Snapdragon 801
Processor	Octa-core 1.4 GHz Cortex-A53	1.4GHz Quad-core Processor	Quad-core 2.5 GHz Krait 400
RAM	3 GB RAM	3 GB RAM	3 GB RAM
GPU	Adreno 505	Adreno 505 GPU	Adreno 330
Camera
Rear Camera Resolution	13 MP	13 MP	13 MP
Front Camera Resolution	16 MP	5 MP	8 MP
Video
Camera Features	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Flash
General
Operating System	Android	Android	Android
OS Version	Android 6.0 Marshmallow	Android 6.0 Marshmallow based Funtouch OS 3.0	Android OS, v4.4.3
Weight	147 g	142 g	149 g
Dimensions	149.1 x 72.9 x 7.7 mm	147.9 x 72.9 x 7.5 mm	139.2 x 68.5 x 8.9 mm
Thickness	7.7mm	7.5mm	8.9mm
Storage
Internal Storage	32 GB	16 GB	16 GB
Card Slot	microSD, Up to 256GB	microSD, up to 256 GB	No
Other	32GB, Expandable upto 256GB	16GB, Expandable up to 256GB	16/64GB storage, no card slot
Communication
SIM Card Slots	Dual SIM	Dual SIM	Single SIM
SIM Card Type	Nano-SIM	Micro-SIM	Micro-SIM
Bluetooth	v4.1	v4.1	v4.0, A2DP
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)	800 / 1800 / 1900 / 2100 / 2600 MHz LTE, Speed: 150 Mbps (Downlink), 50 Mbps (Uplink)	LTE band 38(2600), 39(1900), 40(2300) - 4G model
3G	UMTS 1900 / 2100 / 850 / 900 MHz	850 / 900 / 1900 / 2100 MHz HSDPA, Speed: 21 Mbps (HSDPA), 5.76 Mbps (HSUP	TD-SCDMA 2010-2025 / 1880-1920 - 4G model
2G	GSM 1800 / 1900 / 850 / 900 MHz	850 / 900 / 1800 / 1900 MHz	GSM 850 / 900 / 1800 / 1900 - all versions
Wi-Fi	Wi-Fi 802.11 a/g/n	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
GPS	A-GPS	A-GPS / GPS	Yes, with A-GPS support, GLONASS, Beidou
GPRS
EDGE
Radio
Battery
Battery Capacity	2900 mAh	2730 mAh	3080 mAh
Battery Type	Li-ion	Li-on	Li-Ion
Standby Time		Up to 250 Hours	Up to 280 h (3G)
Talk Time		Up to 11 Hours
Other Features
Fingerprint Scanner
Waterproof
Sensors	Distance Sensor Light Sensor G-sensor E-compass	Proximity Sensor Accelerometer Ambient Light G-Sensor Gyro	Accelerometer gyro proximity compass barometer
Messaging	SMS (threaded view), MMS, Email, Push Email	SMS, MMS, Email, Push Mail, IM, Hangouts	SMS(threaded view), MMS, Email, Push Mail, IM
Java			No
Other			Fast battery charging: 60% in 30 min (Quick Charge 2.0) , Active noise cancellation with dedicated mic , MP4/DivX/XviD/WMV/H.264 player , MP3/WAV/eAAC+/FLAC player , Photo/video editor , Document viewer , Voice memo/dial/commands