Compare Lenovo K4 Note with Oppo A57 with Vivo Y66L with Xiaomi Redmi Note 4 2GB RAM + 32GB

Compare Lenovo K4 Note vs Oppo A57 vs Vivo Y66L vs Xiaomi Redmi Note 4 2GB RAM + 32GB

Summary	76 Score	76 Score	77 Score	76 Score
Performance	Mediatek MT6753 3 GB RAM Android OS, v5.1.1 (Lollipop)	Qualcomm MSM8940 Snapdragon 435 3 GB RAM Android 6.0 Marshmallow	3 GB RAM Android , Marshmallow 6.0.1	Qualcomm Snapdragon 625 2 GB RAM Android Marshmallow 6.0.1 with MIUI 8
Display	5.5 inch 1080 x 1920 pixels 401 PPI Density	5.2 inch 720 x 1280 pixels 282 PPI Density	5.5 inch 720 x 1280 pixels 267 PPI Density	5.5 inch 1920 x 1080 pixels 401 PPI Density
Camera	13 MP (Main) 5 MP (Front)	13 MP (Main) 16 MP (Front)	13 MP (Main) 5 MP (Front)	13 MP (Main) 5 MP (Front)
Battery	3300 mAh Li-po	2900 mAh Li-ion	3000 mAh Li-ion	4100 mAh Li-po
Display
Screen Size	5.5 inch	5.2 inch	5.5 inch	5.5 inch
Screen Resolution	Android v5.1 (Lollipop)	720 x 1280 pixels	1280 x 720 pixels	1920 x 1080 pixels
Pixel Density	401 PPI	282 PPI	267 PPI	401 PPI
Display Type	IPS LCD	IPS LCD capacitive touchscreen, 16M colors	IPS LCD, Multi-touch	FHD IPS
Gorilla Glass	Yes	Yes	-	-
Screen Protection	Corning Gorilla Glass 3	Gorilla Glass 4	-	-
Chipset
Brand	Lenovo Mobiles	Oppo Mobiles	Vivo Mobiles	Xiaomi Mobiles
Chipset	Mediatek MT6753	Qualcomm MSM8940 Snapdragon 435		Qualcomm Snapdragon 625
Processor	Octa-core 1.3 GHz Cortex-A53	Octa-core 1.4 GHz Cortex-A53	1.4Ghz Octa-core Processor	2GHz Octa Core Processor
RAM	3 GB RAM	3 GB RAM	3 GB RAM	2 GB RAM
GPU	Mali-T720 MP3	Adreno 505		Adreno 506
Camera
Rear Camera Resolution	13 MP	13 MP	13 MP	13 MP
Front Camera Resolution	5 MP	16 MP	5 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	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging
General
Operating System	Android	Android	Android	Android
OS Version	Android OS, v5.1.1 (Lollipop)	Android 6.0 Marshmallow	Android , Marshmallow 6.0.1	Android Marshmallow 6.0.1 with MIUI 8
Weight	160 g	147 g		175 g
Dimensions	153.6 x 76.5 x 9.15 mm	149.1 x 72.9 x 7.7 mm		151 x 76 x 8.4 mm
Thickness	9.15mm	7.7mm		8.4mm
Storage
Internal Storage	16 GB	32 GB	32 GB	32 GB
Card Slot	microSD, Up to 128GB	microSD, Up to 256GB	microSD, Up to 128GB	microSD, up to 128 GB
Other	16GB, Expandable up to 128GB	32GB, Expandable upto 256GB	32GB, Expandable upto 128GB	32GB, Expandable up to 128GB
Communication
SIM Card Slots	Dual SIM	Dual SIM	Dual SIM	Dual SIM
SIM Card Type	Micro-SIM	Nano-SIM	Micro-SIM	Micro-SIM
Bluetooth	v4.0	v4.1	v4.1	Bluetooth 4.1
3.5 mm Jack	Yes	Yes	Yes	Yes
NFC	No	No	No
Connectivity
VoLTE
4G	TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 800(band 20)	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	4G LTE (TDD) - B40, LTE (FDD) - B3 / B5
3G	UMTS 1900 / 2100 / 850 / 900 MHz	UMTS 1900 / 2100 / 850 / 900 MHz	UMTS 1900 / 2100 / 850 / 900 MHz	WCDMA - 850 / 900 / 1900 / 2100 MHz
2G	GSM 1800 / 1900 / 850 / 900 MHz	GSM 1800 / 1900 / 850 / 900 MHz	GSM 1800 / 1900 / 850 / 900 MHz	GSM - 850 / 900 / 1800 / 1900 MHz
Wi-Fi	Wi-Fi 802.11, a/ac/b/g/n	Wi-Fi 802.11 a/g/n	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot	802.11 a/b/g/n/ac, dual band, 2.4GHz/5GHz, WiFi Display, WiFi Direct
GPS	A-GPS, Glonass	A-GPS	A-GPS	A-GPS, GLONASS
GPRS
EDGE
Radio
Battery
Battery Capacity	3300 mAh	2900 mAh	3000 mAh	4100 mAh
Battery Type	Li-po	Li-ion	Li-ion	Li-po
Standby Time	Up to 265 h (3G)
Talk Time	Up to 22 h (3G)
Other Features
Fingerprint Scanner
Waterproof
Sensors	Accelerometer gyro proximity compass	Distance Sensor Light Sensor G-sensor E-compass	Accelerometer Proximity Compass	IR Blaster
Messaging	SMS(threaded view), MMS, Email, Push Mail, IM	SMS (threaded view), MMS, Email, Push Email
Java
Other