Xiaomi Redmi Note 4G vs Lenovo Vibe X2 Pro vs Lenovo K4 Note

General Info

Manufacturer
Xiaomi	Lenovo	Lenovo
Announced
August 2014	January 2015	January 2016
Status
Available - November 2014	Available - April 2015	Available - January 2016
Price
-	Rs. 13,099 ($192.63) [Similarly Priced]	Rs. 10,999 ($161.75) [Similarly Priced]
Colors
Black/White	Champagne Gold, Rock Pink, Electric Blue	Black
Form Factor
Candybar	Candybar	Candybar
Dimension
154 x 78.7 x 9.5 mm (6.06 x 3.1 x 0.37 in)	146.3 x 71 x 7 mm (5.76 x 2.8 x 0.28 in)	153.6 x 76.5 x 9.15 mm (6.05 x 3.01 x 0.36 in)
Weight
199 g (7.02 oz)	140 g (4.94 oz)	158 g (5.57 oz)
2G Network
GSM 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
TD-SCDMA 1900 / 2000	HSDPA 850 / 900 / 1900 / 2100	HSDPA 900 / 1900 / 2100
4G Network
TD-LTE 1900 / 2300 / 2600	LTE 800 / 1800 / 2100 / 2600 (Bands 1, 3, 7, 20)	LTE
Messaging
SMS, MMS, EMail, IM	SMS, MMS, EMail, IM	SMS, MMS, EMail, IM
Build Features
-	-	- Fingerprint Sensor - Dual Front Speakers - Fast Charging

OS
Android OS, v4.2 (Jelly Bean)	Android OS, v4.4.x (KitKat)	Android OS, v5.1 (Lollipop)
Processor
Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400	Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm Snapdragon 615	Octa-core 1.3 GHz Cortex-A53, Mediatek MT6753
GPU
Adreno 305	Adreno 405	Mali-T720MP3
RAM
2 GB	2 GB	3 GB
Internal Memory
8 GB	32 GB	16 GB
External Memory
microSD, up to 64 GB	microSD, up to 128 GB	microSD, up to 128 GB

Type
IPS LCD capacitive touchscreen	IPS LCD capacitive touchscreen	Capacitive Touchscreen, Corning Gorilla Glass 3
Colors
16M colors	16M colors	16M colors
Size
5.5 inches	5.3 inches	5.5 inches
Resolution
720 x 1280 pixels (267 ppi)	1080 x 1920 pixels (416 ppi)	1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio
68.82%	74.42%	70.80%
Multi-Touch

Rear Camera
13 MP, 4128 x 3096 pixels	13 MP, 4160 x 3120 pixels	13 MP, 4208 x 3120 pixels
Flash
LED flash	LED flash	Dual-LED (Dual Tone)
Features
Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR	Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR	Phase Detection Auto focus, 1/3.06' Sensor Size, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video
1080p@30fps	1080p@30fps	1080p@30fps
Front Camera
5 MP	13 MP, autofocus	5 MP, 1080p

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
TD-SCDMA; LTE	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
v4.0, A2DP, LE	v4.0, A2DP, LE	v4.0, A2DP, LE
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot	Wi-Fi 802.11 b/g/n/ac, dual band, hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot
USB
microUSB v2.0, USB On-the-go	microUSB v2.0	microUSB v2.0, USB Host, Fast Charge 2.0
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5