Phone Comparison - Amazon Fire Phone vs Asus Zenfone 2 ZE550ML vs Xiaomi Mi 4i

general General Info

Manufacturer Amazon Asus Xiaomi
Announced June 2014 March 2015 April 2015
Status Available - July 2014 Available - March 2015 Available - April 2015
Price - Rs. 13,990 ($205.74) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors Black Red, Grey, Black, White and Gold Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 139.2 x 66.5 x 8.9 mm
(5.48 x 2.62 x 0.35 in)
152.5 x 77.2 x 10.9 mm
(6 x 3.04 x 0.43 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 160 g (5.64 oz) 170 g (6 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 700 / 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600 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
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM
Build Features - 3D Dynamic Perspective UI
- System Wide Tilt, Auto-scroll, Swivel and Peek Functions
- -

hardware Hardware and OS

OS Fire OS 3.5.0 Android OS, v5.0 (Lollipop) Android OS, v5.0 (Lollipop)
Processor Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 Quad-core 1.8 GHz, Intel Atom Z3560 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 330 PowerVR G6430 Adreno 405
RAM 2 GB 2 GB 2 GB
Internal Memory 32/64 GB 16 GB 16/32 GB
External Memory No microSD, up to 64 GB No

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 (front and back) IPS Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 5.5 inches 5.0 inches
Resolution 720 x 1280 pixels (312 ppi) 1080 x 1920 pixels (403 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 65.98% 69.97% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No Yes FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels
Flash LED Flash dual-LED (dual tone) LED flash
Features Auto-focus, Geo-tagging, HDR, OIS Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, 2.1 MP, 1080p@30fps [Similar] 5 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE
Bluetooth Yes, v3.0 v4.0, A2DP, EDR v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB Yes, microUSB v2.0 microUSB v2.0, USB Host microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32/64 GB, 2 GB RAM 16 GB, 2 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage No microSD, up to 64 GB No
USB OTG - Supported -

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not 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-Ion Battery Non-removable Li-Po Battery Li-Po Battery
Capacity 2400 mAh 3000 mAh 3120 mAh
Stand by Up to 285 h - -
Talk Time Up to 22 h - -