Xiaomi Mi 4 vs Xiaomi Mi 4i vs Xiaomi Redmi 3

General Info

Manufacturer
Xiaomi	Xiaomi	Xiaomi
Announced
July 2014	April 2015	January 2016
Status
Available - Q3 2014	Available - April 2015	Available - January 2016
Price
-	Rs. 8,999 ($132.34) [Similarly Priced]	Rs. 6,999 ($102.93) [Similarly Priced]
Colors
Black, White	Black, White, Blue, Yellow, Pink	Dark Grey, Silver, Classic Gold
Form Factor
Candybar	Candybar	Candybar
Dimension
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)	139.3 x 69.6 x 8.5mm (5.48 x 2.74 x 0.33in)
Weight
149 g (5.26 oz)	130 g (4.59 oz)	144 g (5.08 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network
LTE	LTE	LTE 700 / 1700 / 2600 /2300/2100/1800
Messaging
SMS, MMS, EMail, IM	SMS, MMS, EMail, IM	SMS, MMS, Push Mail, EMail, IM

OS
Android OS, v4.4.3 (KitKat)	Android OS, v5.0 (Lollipop)	Android OS, v5.1.1 (Lollipop)
Processor
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	Quad-core 1.5 GHz Cortex-A53 & quad-core 1.2 GHz Cortex-A53, Qualcomm Snapdragon 616
GPU
Adreno 330	Adreno 405	Adreno 405
RAM
3 GB	2 GB	2 GB
Internal Memory
16/64 GB	16/32 GB	16 GB
External Memory
No	No	microSD, up to 128 GB

Type
IPS LCD capacitive touchscreen	IPS LCD capacitive touchscreen	IPS LCD capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
5.0 inches	5.0 inches	5.0 inches
Resolution
1080 x 1920 pixels (441 ppi)	1080 x 1920 pixels (441 ppi)	720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio
72.14%	71.57%	70.95%
Multi-Touch

Rear Camera
13 MP, 4128 x 3096 pixels	13 MP, 4128 x 3096 pixels	13 MP, 4128 x 3096 pixels
Flash
Dual-LED Flash	LED flash	LED flash
Features
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	Phase Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video
2160p, 1080p@30fps, HDR	1080p@30fps	1080p@30fps
Front Camera
8 MP, 1080p@30fps	5 MP	Yes, 5 MP, 1080p@30fps

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE	HSPA, LTE	HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth
v4.0, A2DP	v4.0, A2DP	Yes, v4.1 with A2DP
Wi-Fi
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	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, Wi-Fi hotspot
USB
microUSB v2.0 (MHL), USB On-the-go	microUSB v2.0	Yes, microUSB v2.0, USB On-the-go, USB Host
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS support and GLONASS
Browser
HTML5	HTML5	HTML5