Nokia Lumia 625 vs Nokia Lumia 730 Dual SIM vs Xiaomi Mi 4i

General Info

Manufacturer
Nokia	Nokia	Xiaomi
Announced
July 2013	September 2014	April 2015
Status
Available - August 2013	Available - September 2014	Available - April 2015
Price
-	-	Rs. 8,999 ($132.34) [Similarly Priced]
Colors
Orange, Bright green, Yellow, Black and white	Orange, green, white, black	Black, White, Blue, Yellow, Pink
Form Factor
Candybar	Candybar	Candybar
Dimension
133.2 x 72.2 x 9.2 mm (5.24 x 2.84 x 0.36 in)	134.7 x 68.5 x 8.9 mm (5.3 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
159 g (5.61 oz)	134 g (4.73 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 / 2100 HSDPA	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE	-	LTE
Messaging
SMS, MMS, Push Mail, EMail, IM	SMS, MMS, Push Mail, EMail, IM	SMS, MMS, EMail, IM
Build Features
-	ClearBlack display	-

OS
Microsoft Windows Phone 8	Microsoft Windows Phone 8.1	Android OS, v5.0 (Lollipop)
Processor
Dual-core 1.2 GHz Krait, Qualcomm MSM8930 Snapdragon	Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400	Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU
Adreno 305	Adreno 305	Adreno 405
RAM
512 MB	1 GB	2 GB
Internal Memory
8 GB	8 GB	16/32 GB
External Memory
microSD, up to 64 GB	microSD, up to 128 GB	No

Type
IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 2	AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3	IPS LCD capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
4.7 inches	4.7 inches	5.0 inches
Resolution
480 x 800 pixels (199 ppi)	720 x 1280 pixels (312 ppi)	1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio
65.05%	66.20%	71.57%
Multi-Touch

Rear Camera
5 MP, 2592х1936 pixels	6.7 MP, Carl Zeiss optics	13 MP, 4128 x 3096 pixels
Flash
LED flash	LED flash	LED flash
Features
Auto focus, Touch focus, Landscape orientation, Auto and manual exposure, Auto and manual white balance, Active toolbar, Full screen viewfinder, Geotagging	Auto focus, 1/3.4'' Sensor Size, Geo-tagging, Face Detection, Panorama	Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video
Yes, 1080p@30fps	1080p@30fps, stereo sound rec.	1080p@30fps
Front Camera
Yes, VGA	5 MP, 720p	5 MP

GPRS
Yes	Yes	Yes
Edge
Yes	Up to 296 kbps	Yes
3G
HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL	HSDPA, 21.1 Mbps; HSUPA, 5.76 Mbps	HSPA, LTE
Bluetooth
Yes, v4.0 with A2DP, LE	v4.0, A2DP	v4.0, A2DP
Wi-Fi
Wi-Fi 802.11 b/g/n, Wi-Fi hotspot	Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB
Yes, microUSB v2.0	microUSB v2.0	microUSB v2.0
GPS
Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS, Beidou	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5