Amazon Fire Phone vs Xiaomi Mi 4 vs Xiaomi Mi 4i

General Info

Manufacturer
Amazon	Xiaomi	Xiaomi
Announced
June 2014	July 2014	April 2015
Status
Available - July 2014	Available - Q3 2014	Available - April 2015
Price
-	-	Rs. 8,999 ($132.34) [Similarly Priced]
Colors
Black	Black, White	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)	139.2 x 68.5 x 8.9 mm (5.48 x 2.7 x 0.35 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)	149 g (5.26 oz)	130 g (4.59 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900	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	LTE
Messaging
SMS, MMS, EMail, IM	SMS, MMS, EMail, IM	SMS, MMS, EMail, IM
Build Features
- 3D Dynamic Perspective UI - System Wide Tilt, Auto-scroll, Swivel and Peek Functions	-	-

OS
Fire OS 3.5.0	Android OS, v4.4.3 (KitKat)	Android OS, v5.0 (Lollipop)
Processor
Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800	Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801	Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU
Adreno 330	Adreno 330	Adreno 405
RAM
2 GB	3 GB	2 GB
Internal Memory
32/64 GB	16/64 GB	16/32 GB
External Memory
No	No	No

Type
IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 (front and back)	IPS LCD capacitive touchscreen	IPS LCD capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
4.7 inches	5.0 inches	5.0 inches
Resolution
720 x 1280 pixels (312 ppi)	1080 x 1920 pixels (441 ppi)	1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio
65.98%	72.14%	71.57%
Multi-Touch

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 Flash	LED flash
Features
Auto-focus, Geo-tagging, HDR, OIS	Auto focus, 1/3' Sensor Size, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR	Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video
Yes, 1080p@30fps	2160p, 1080p@30fps, HDR	1080p@30fps
Front Camera
Yes, 2.1 MP, 1080p@30fps	8 MP, 1080p@30fps	5 MP

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA+, LTE	DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE	HSPA, LTE
Bluetooth
Yes, v3.0	v4.0, A2DP	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, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB
Yes, microUSB v2.0	microUSB v2.0 (MHL), USB On-the-go	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