Compare Oppo A33 with Oppo A57 with Xiaomi Redmi Note 4 4GB RAM + 64GB

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Compare Oppo A33 vs Oppo A57 vs Xiaomi Redmi Note 4 4GB RAM + 64GB

Summary	73 Score	76 Score	76 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 Snapdragon 625 4 GB RAM Android Marshmallow 6.0.1 with MIUI 8
Display	5 inch 540 x 960 pixels 220 PPI Density	5.2 inch 720 x 1280 pixels 282 PPI Density	5.5 inch 1920 x 1080 pixels 401 PPI Density
Camera	8 MP (Main) 5 MP (Front)	13 MP (Main) 16 MP (Front)	13 MP (Main) 5 MP (Front)
Battery	2400 mAh Li-Po	2900 mAh Li-ion	4100 mAh Li-po
Display
Screen Size	5 inch	5.2 inch	5.5 inch
Screen Resolution	540x960 pixels	720 x 1280 pixels	1920 x 1080 pixels
Pixel Density	220 PPI	282 PPI	401 PPI
Display Type	IPS LCD capacitive touchscreen, 16M colors	IPS LCD capacitive touchscreen, 16M colors	FHD IPS
Gorilla Glass	-	Yes	-
Screen Protection	-	Gorilla Glass 4	-
Chipset
Brand	Oppo Mobiles	Oppo Mobiles	Xiaomi Mobiles
Chipset	Qualcomm MSM8916 Snapdragon 410	Qualcomm MSM8940 Snapdragon 435	Qualcomm Snapdragon 625
Processor	Quad-core 1.2 GHz Cortex-A53	Octa-core 1.4 GHz Cortex-A53	2GHz Octa core processor
RAM	2 GB RAM	3 GB RAM	4 GB RAM
GPU	Adreno 306	Adreno 505	Adreno 506
Camera
Rear Camera Resolution	8 MP	13 MP	13 MP
Front Camera Resolution	5 MP	16 MP	5 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 OS, v5.1	Android 6.0 Marshmallow	Android Marshmallow 6.0.1 with MIUI 8
Weight	146 g	147 g	165 g
Dimensions	142.7 x 71.7 x 7.6 mm	149.1 x 72.9 x 7.7 mm	151 x 76 x 8.4 mm
Thickness		7.7mm	8.4mm
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	64GB, Expandable up to 128GB
Communication
SIM Card Slots	Dual SIM	Dual SIM	Dual SIM
SIM Card Type	Nano-SIM	Nano-SIM	Micro-SIM
Bluetooth	v4.0, A2DP	v4.1	Bluetooth 4.1
3.5 mm Jack	Yes	Yes	Yes
NFC	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)	4G LTE (TDD) - B40, LTE (FDD) - B3 / B5
3G	HSDPA 850 / 900 / 1900 / 2100	UMTS 1900 / 2100 / 850 / 900 MHz	WCDMA - 850 / 900 / 1900 / 2100 MHz
2G	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 1800 / 1900 / 850 / 900 MHz	GSM - 850 / 900 / 1800 / 1900 MHz
Wi-Fi	Yes	Wi-Fi 802.11 a/g/n	802.11 a/b/g/n/ac, dual band, 2.4GHz/5GHz, WiFi Display, WiFi Direct
GPS	Yes, with A-GPS	A-GPS	A-GPS, GLONASS
GPRS
EDGE
Radio
Battery
Battery Capacity	2400 mAh	2900 mAh	4100 mAh
Battery Type	Li-Po	Li-ion	Li-po
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	IR Blaster
Messaging	SMS (threaded view), MMS, Email, Push Email	SMS (threaded view), MMS, Email, Push Email
Java	No
Other	MP4/H.264/FLAC player , MP3/eAAC+/WAV player , Document viewer , Photo viewer/editor