Compare Oppo A33 with Oppo A57 with Xiaomi Mi 6

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Compare Oppo A33 vs Oppo A57 vs Xiaomi Mi 6

Summary	73 Score	76 Score	81 Score
Performance	Qualcomm MSM8916 Snapdragon 410 2 GB RAM Android OS, v5.1	Qualcomm MSM8940 Snapdragon 435 3 GB RAM Android 6.0 Marshmallow	Qualcomm MSM8998 Snapdragon 835 4 GB RAM Android 7.1.1 (Nougat)
Display	5 inch 540 x 960 pixels 220 PPI Density	5.2 inch 720 x 1280 pixels 282 PPI Density	5.1 inch 1080 x 1920 pixels 432 PPI Density
Camera	8 MP (Main) 5 MP (Front)	13 MP (Main) 16 MP (Front)	12 + 12 MP (Main) 8 MP (Front) 4K Video Recording Dual Camera
Battery	2400 mAh Li-Po	2900 mAh Li-ion	4000 mAh Li-ion
Display
Screen Size	5 inch	5.2 inch	5.1 inch
Screen Resolution	540x960 pixels	720 x 1280 pixels	1080 x 1920 Pixels
Pixel Density	220 PPI	282 PPI	432 PPI
Display Type	IPS LCD capacitive touchscreen, 16M colors	IPS LCD capacitive touchscreen, 16M colors	UHD
Gorilla Glass	-	Yes	Yes
Screen Protection	-	Gorilla Glass 4	Corning Gorilla Glass 4
Chipset
Brand	Oppo Mobiles	Oppo Mobiles	Xiaomi Mobiles
Chipset	Qualcomm MSM8916 Snapdragon 410	Qualcomm MSM8940 Snapdragon 435	Qualcomm MSM8998 Snapdragon 835
Processor	Quad-core 1.2 GHz Cortex-A53	Octa-core 1.4 GHz Cortex-A53	Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
RAM	2 GB RAM	3 GB RAM	4 GB RAM
GPU	Adreno 306	Adreno 505	Adreno 540 GPU
Camera
Rear Camera Resolution	8 MP	13 MP	12 + 12 MP
Front Camera Resolution	5 MP	16 MP	8 MP
Video			4K Video Recording
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 OS, v5.1	Android 6.0 Marshmallow	Android 7.1.1 (Nougat)
Weight	146 g	147 g
Dimensions	142.7 x 71.7 x 7.6 mm	149.1 x 72.9 x 7.7 mm
Thickness		7.7mm
Storage
Internal Storage	16 GB	32 GB	64 GB
Card Slot	microSD, up to 128 G	microSD, Up to 256GB	microSD, Up to 128 GB
Other	16GB storage, microSD card slot	32GB, Expandable upto 256GB	64 GB storage, Expandable up to 128GB
Communication
SIM Card Slots	Dual SIM	Dual SIM	Dual SIM
SIM Card Type	Nano-SIM	Nano-SIM	Nano-SIM
Bluetooth	v4.0, A2DP	v4.1	v5.0
3.5 mm Jack	Yes	Yes	Yes
NFC	No	No	No
Connectivity
VoLTE
4G	LTE band 1(2100), 3(1800), 38(2600), 39(1900), 40(2300), 41(2500)	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)	LTE 2100, LTE 800, LTE 1800, LTE 2600
3G	HSDPA 850 / 900 / 1900 / 2100	UMTS 1900 / 2100 / 850 / 900 MHz	UMTS 1900 / 2100 / 850 / 900 MHz
2G	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 1800 / 1900 / 850 / 900 MHz	GSM 1800 / 1900 / 850 / 900 MHz
Wi-Fi	Yes	Wi-Fi 802.11 a/g/n	Wi-Fi 802.11 a/g/n
GPS	Yes, with A-GPS	A-GPS	A-GPS
GPRS
EDGE
Radio
Battery
Battery Capacity	2400 mAh	2900 mAh	4000 mAh
Battery Type	Li-Po	Li-ion	Li-ion
Standby Time	Up to 250 h (3G)
Talk Time	Up to 8 h (3G)
Other Features
Fingerprint Scanner
Waterproof
Sensors	Accelerometer proximity compass	Distance Sensor Light Sensor G-sensor E-compass	Accelerometer Gyro Proximity Compass Barometer
Messaging	SMS (threaded view), MMS, Email, Push Email	SMS (threaded view), MMS, Email, Push Email	SMS, MMS, Email, Push Mail, IM
Java	No
Other	MP4/H.264/FLAC player , MP3/eAAC+/WAV player , Document viewer , Photo viewer/editor