Phone Comparison - Asus Zenfone 2 ZE551ML vs Asus Zenfone 3 ZE520KL vs Xiaomi Redmi Note 4
Price Comparison (India) -
Flipkart Rs. 21,999 Amazon Rs. 21,999 Snapdeal Rs. 21,999
Flipkart Rs. 10,999

general General Info
Manufacturer Asus Asus Xiaomi
Announced January 2015 July 2016 January 2017
Status Available - March 2015 Available - August 2016 Available - January 2017
Price Rs. 14,999 ($220.57) [Similarly Priced] Rs. 19,987 ($249.00) [Similarly Priced] Rs. 10,999 ($145.00) [Similarly Priced]
Colors Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic Whit Sapphire Black, Moonlight White, Shimmer Gold Gold, Silver, Gray
Form Factor Candybar Candybar Candybar
Dimension 152.5 x 77.2 x 10.9 mm
(6 x 3.04 x 0.43 in) 		146.9 x 74 x 7.7 mm
(5.78 x 2.91 x 0.3 in) 		151 x 76 x 8.45 mm
(5.94 x 2.99 x 0.33 in)
Weight 170 g (6 oz) 144 g (5.08 oz) 165 g (5.82 oz)
SIM Type - - Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card)
2G Network 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
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan HSDPA 2100
4G Network LTE 700 / 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600
(Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29)		 LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Taiwan LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail
Build Features - - Fingerprint Sensor - Fingerprint Sensor
- Infrared Sensor
Notification LED - - Yes

hardware Hardware and OS
OS Android OS, v5.0 (Lollipop) Android OS, v6.0.1 (Marshmallow) Android OS, v6.0.1 (Marshmallow)
Processor Quad-core 2.3 GHz
Quad-core 1.8 GHz, Intel Atom Z3580
Intel Atom Z3560		 Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625
GPU PowerVR G6430 Adreno 506 Adreno 506
RAM 2/4 GB 3 GB 2/3/4 GB
Internal Memory 16/32/64 GB 32 GB 32/64 GB
External Memory microSD, up to 64 GB microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 128 GB

display Display
Type IPS Capacitive Touchscreen, Corning Gorilla Glass 3 Super IPS+ Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.2 inches 5.5 inches
Resolution 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (424 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 70.67% 68.46% 72.50%
Multi-Touch yes yes yes

multimedia Multimedia
3.5mm Jack yes yes yes
Radio Yes FM Radio FM Radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera
Rear Camera 13 MP, 4128 x 3096 pixels 16 MP 13 MP
Flash dual-LED (dual tone) Dual-LED (dual Tone) Dual-LED (Dual Tone)
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Laser/phase Detection Autofocus, f/2.0, OIS (4-axis), Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Phase Detection Autofocus, f/2.0 aperture, Sony IMX258/Samsung S5K3L8 sensor, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video 1080p@30fps 1080p@30fps 2160p@30fps, 1080p@30fps, 720p@120fps
Front Camera 5 MP [Similar] 8 MP, f/2.0, 1080p [Similar] 5 MP, 1080p, f/2.0 [Similar]

connectivity Connectivity and Data Rate
GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE
Bluetooth v4.0, A2DP, EDR v4.2, A2DP, EDR, LE v4.2, A2DP, LE
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, dual-band, WiFi Direct, hotspot
USB microUSB v2.0, USB Host Type-C 1.0 reversible connector microUSB v2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory
Internal 16/32/64 GB, 2/4 GB RAM 32 GB, 3 GB RAM 32/64 GB, 2/3/4 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 128 GB
USB OTG Supported - Yes

Apps Sensors
Fingerprint fingerprint not supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC supported NFC not supported NFC not supported

battery Battery
Type Non-removable Li-Po Battery Non-removable Li-Ion Battery Non-removable Li-Ion Battery
Capacity 3000 mAh 2650 mAh 4100 mAh
Stand by - - -
Talk Time - - -

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