Compare Asus Zenfone 2 ZE551ML 4GB RAM 16GB 1.8Ghz with Asus Zenfone 2 ZE551ML 4GB RAM, 32GB, 2.3Ghz with HTC One Dual Sim with Xiaomi Redmi Note 4 4GB RAM + 64GB

Compare Asus Zenfone 2 ZE551ML 4GB RAM 16GB 1.8Ghz vs Asus Zenfone 2 ZE551ML 4GB RAM, 32GB, 2.3Ghz vs HTC One Dual Sim vs Xiaomi Redmi Note 4 4GB RAM + 64GB

Summary	76 Score	76 Score	71 Score	76 Score
Performance	Intel Atom Z3580 (4 GB RAM model)Intel Atom Z3560 (2 GB RAM model) 4 GB RAM Android OS, v5.0	Intel Atom Z3580 (4 GB RAM model)Intel Atom Z3560 (2 GB RAM model) 4 GB RAM Android OS, v5.0	Qualcomm Snapdragon 600 APQ8064T 2 GB RAM Android v4.1.2 (Jelly Bean)	Qualcomm Snapdragon 625 4 GB RAM Android Marshmallow 6.0.1 with MIUI 8
Display	5.5 inch 1080 x 1920 pixels 401 PPI Density	5.5 inch 1080 x 1920 pixels 401 PPI Density	4.68 inch 1080 x 1920 pixels 471 PPI Density	5.5 inch 1920 x 1080 pixels 401 PPI Density
Camera	13 MP (Main) 5 MP (Front)	13 MP (Main) 5 MP (Front)	4 MP (Main) 2.1 MP (Front)	13 MP (Main) 5 MP (Front)
Battery	3000 mAh Li-Po	3000 mAh Li-Po	2300 mAh Li-Po	4100 mAh Li-po
Display
Screen Size	5.5 inch	5.5 inch	4.68 inch	5.5 inch
Screen Resolution	1080x1920 pixels	1080x1920 pixels	1080x1920 pixels	1920 x 1080 pixels
Pixel Density	401 PPI	401 PPI	471 PPI	401 PPI
Display Type	IPS capacitive touchscreen, 16M colors	IPS capacitive touchscreen, 16M colors	Super LCD3 capacitive touchscreen, 16M colors	FHD IPS
Gorilla Glass	Yes	Yes	Yes	-
Screen Protection	Corning Gorilla Glass 3	Corning Gorilla Glass 3	Corning Gorilla Glass 2	-
Chipset
Brand	Asus Mobiles	Asus Mobiles	HTC Mobiles	Xiaomi Mobiles
Chipset	Intel Atom Z3580 (4 GB RAM model)Intel Atom Z3560 (2 GB RAM model)	Intel Atom Z3580 (4 GB RAM model)Intel Atom Z3560 (2 GB RAM model)	Qualcomm Snapdragon 600 APQ8064T	Qualcomm Snapdragon 625
Processor	Quad-core 1.8 GHz	Quad-core 2.3 GHz (4 GB RAM model)Quad-core 1.8 GHz (2 GB RAM model)	Quad core, 1.7 GHz, Krait 300	2GHz Octa core processor
RAM	4 GB RAM	4 GB RAM	2 GB RAM	4 GB RAM
GPU	PowerVR G6430	PowerVR G6430	Adreno 320	Adreno 506
Camera
Rear Camera Resolution	13 MP	13 MP	4 MP	13 MP
Front Camera Resolution	5 MP	5 MP	2.1 MP	5 MP
Video
Camera Features	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Flash	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging
General
Operating System	Android	Android	Android	Android
OS Version	Android OS, v5.0	Android OS, v5.0	Android v4.1.2 (Jelly Bean)	Android Marshmallow 6.0.1 with MIUI 8
Weight	170 g	170 g	156 g	165 g
Dimensions	152.5 x 77.2 x 10.9 mm	152.5 x 77.2 x 10.9 mm	137.8 x 69.3 x 10.4 mm	151 x 76 x 8.4 mm
Thickness	10.9mm	10.9mm	10.4mm	8.4mm
Storage
Internal Storage	16 GB	32 GB	32 GB	64 GB
Card Slot	microSD, up to 64 GB	microSD, up to 64 GB	microSD, up to 64 GB	microSD, up to 128 GB
Other	16GB storage, microSD card slot	32GB storage, microSD card slot	32GB storage, microSD card slot	64GB, Expandable up to 128GB
Communication
SIM Card Slots	Single SIM	Single SIM	Dual SIM	Dual SIM
SIM Card Type	Micro-SIM	Micro-SIM	Micro-SIM	Micro-SIM
Bluetooth	v4.0, A2DP, EDR	v4.0, A2DP, EDR	v4.0, A2DP, apt-X	Bluetooth 4.1
3.5 mm Jack	Yes	Yes	Yes	Yes
NFC	Yes	Yes	Yes (Market dependent)
Connectivity
VoLTE
4G	LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 28(700) - Taiwan	LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 28(700) - Taiwan		4G LTE (TDD) - B40, LTE (FDD) - B3 / B5
3G	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 1900 / 2100 - SIM 1	WCDMA - 850 / 900 / 1900 / 2100 MHz
2G	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM - 850 / 900 / 1800 / 1900 MHz
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, hotspot	802.11 a/b/g/n/ac, dual band, 2.4GHz/5GHz, WiFi Display, WiFi Direct
GPS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	A-GPS, GLONASS
GPRS
EDGE
Radio
Battery
Battery Capacity	3000 mAh	3000 mAh	2300 mAh	4100 mAh
Battery Type	Li-Po	Li-Po	Li-Po	Li-po
Standby Time			Up to 500 h (2G) / Up to 480 h (3G)
Talk Time			Up to 27 h (2G) / Up to 18 h (3G)
Other Features
Fingerprint Scanner
Waterproof
Sensors	Accelerometer gyro proximity compass	Accelerometer gyro proximity compass	Accelerometer gyro proximity compass	IR Blaster
Messaging	SMS(threaded view), MMS, Email, Push Email, IM	SMS(threaded view), MMS, Email, Push Email, IM	SMS (threaded view), MMS, Email, Push Email
Java	No	No	No
Other	Fast battery charging: 60% in 40 min , 5GB free lifetime ASUS WebStorage , MP3/WAV/eAAC+ player , MP4/H.264 player , Document viewer , Photo/video editor	Fast battery charging: 60% in 40 min , 5GB free lifetime ASUS WebStorage , MP3/WAV/eAAC+ player , MP4/H.264 player , Document viewer , Photo/video editor	Dropbox (25 GB cloud storage) , Active noise cancellation with dedicated mic , DivX/XviD/MP4/H.264/WMV player , MP3/eAAC+/WMA/WAV/FLAC player , Document viewer/editor , Photo viewer/editor