Compare Asus Zenfone 3 Ultra ZU680KL with Xiaomi Redmi Note 5 3GB RAM with ZTE Axon 7

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Compare Asus Zenfone 3 Ultra ZU680KL vs Xiaomi Redmi Note 5 3GB RAM vs ZTE Axon 7

Summary	78 Score	76 Score	78 Score
Performance	Qualcomm MSM8976 Snapdragon 652 4 GB RAM Android OS, v6.0.1 (Marshmallow)	Qualcomm Snapdragon 625 3 GB RAM Android Nougat 7.1.2 MIUI 9	Qualcomm Snapdragon 820 MSM8996 4 GB RAM Android v6.0 (Marshmallow)
Display	6.8 inch 1080 x 1920 pixels 324 PPI Density	5.99 inch 1080 x 2160 pixels 403 PPI Density	5.5 inch 1440 x 2560 pixels 534 PPI Density
Camera	23 MP (Main) 8 MP (Front) 4K Video Recording	12 MP (Main) 5 MP (Front)	20 MP (Main) 8 MP (Front) 4K Video Recording
Battery	4600 mAh Li-ion	4000 mAh Li-ion	3250 mAh Li-Po
Display
Screen Size	6.8 inch	5.99 inch	5.5 inch
Screen Resolution	1080 x 1920 pixels	1920 x 1080 pixels	1440 x 2560 pixels
Pixel Density	324 PPI	403 PPI	534 PPI
Display Type	IPS LCD capacitive touchscreen, 16M colors	IPS LCD, Multi-touch	WQHD AMOLED,2.5D
Gorilla Glass	Yes	Yes	-
Screen Protection	-	Gorilla Glass	-
Chipset
Brand	Asus Mobiles	Xiaomi Mobiles	ZTE Mobiles
Chipset	Qualcomm MSM8976 Snapdragon 652	Qualcomm Snapdragon 625	Qualcomm Snapdragon 820 MSM8996
Processor	Quad core, 1.8 GHz, Cortex A72 + Quad core, 1.2 GHz, Cortex A53	2.0GHz Octa core processor	2.15GHz Quad core Processor
RAM	4 GB RAM	3 GB RAM	4 GB RAM
GPU	Adreno 510	Adreno 506	Adreno 530
Camera
Rear Camera Resolution	23 MP	12 MP	20 MP
Front Camera Resolution	8 MP	5 MP	8 MP
Video	4K Video Recording		4K Video Recording
Camera Features	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Touch Focus, Flash, Geo-Tagging
General
Operating System	Android	Android	Android
OS Version	Android OS, v6.0.1 (Marshmallow)	Android Nougat 7.1.2 MIUI 9	Android v6.0 (Marshmallow)
Weight	233 g	181 g	175 g
Dimensions	186.4 x 93.9 x 6.8 mm	158 * 75.4 * 8.05 mm	151.7 * 75 * 7.9mm
Thickness	6.8mm	8.05mm	7.9mm
Storage
Internal Storage	64 GB	32 GB	64 GB
Card Slot	microSD, up to 128GB	microSD, up to 128 GB	microSD, Up to 128 GB
Other	64GB storage, Expandable Up to 218 GB via microSD card	32GB, Expandable up to 128GB	64GB storage, Expandable Up to 128GB
Communication
SIM Card Slots	Dual SIM	Dual SIM	Dual SIM
SIM Card Type	Micro-SIM	Micro-SIM	Nano-SIM
Bluetooth	v4.2	v4.2	v4.2
3.5 mm Jack	Yes	Yes	Yes
NFC	No	No
Connectivity
VoLTE
4G	TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 850(band 5) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)	FDD-LTE B1/B3/ B5/B7/ B8; TD-LTE B38/B39/B40/B41(2555-2655MHz)	TD-LTE?Band 38/40/41, FDD-LTE? Band 1/2/3/4/5/7/8/19/20/28AB
3G	UMTS 1900 / 2100 / 850 / 900 MHz	WCDMA B1/B2/B5/B8; TD-SCDMA B34/B39; CDMA2000/1X BC0	UMTS? Band 1/2/4/5/8
2G	GSM 1800 / 1900 / 850 / 900 MHz	GSM 850/900/1900MHz	GSM? Band 2/3/5/8
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot	802.11 a/b/g/n/ac	Wi-Fi 802.11, b/g/n
GPS	A-GPS, GLONASS	A-GPS, GLONASS	A-GPS, Glonass
GPRS
EDGE
Radio
Battery
Battery Capacity	4600 mAh	4000 mAh	3250 mAh
Battery Type	Li-ion	Li-ion	Li-Po
Standby Time			Up to 360 Hours(2G)
Talk Time	Up to 34 h (3G)		Up to 16 Hours(2G)
Other Features
Fingerprint Scanner
Waterproof
Sensors	Fingerprint accelerometer gyro proximity compass	Accelerometer Proximity Compass	Light sensor Proximity sensor Accelerometer Compass Gyroscope
Messaging	SMS(threaded view), MMS, Email, Push Email, IM
Java	No
Other	Fast battery charging: 60% in 45 min (Quick Charge 3.0) , MP3/WAV/eAAC+ player , MP4/H.264 player