Phone Comparison - Lenovo Vibe X vs Asus Zenfone 6 vs Xiaomi Mi 4 LTE

general General Info

Manufacturer Lenovo Asus Xiaomi
Announced September 2013 January 2014 December 2014
Status Available - December 2013 Available - June 2014 Available - December 2014
Price - - Rs. 11,999 ($176.46) [Similarly Priced]
Colors Black/Silver Black, White, Red, Gold White
Form Factor Candybar Candybar Candybar
Dimension 6.9 mm thickness
(0.27 in thickness)
166.9 x 84.3 x 5.5-9.9 mm
(6.57 x 3.32 x 0.22-0.39 in)
139.2 x 68.5 x 8.9 mm
(5.48 x 2.7 x 0.35 in)
Weight 120 g (4.23 oz) 196 g (6.91 oz) 149 g (5.26 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network - - LTE - international model
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.4.3 (KitKat)
Processor Quad-core 1.5 GHz, MTK MT6589T Dual-core 2 GHz, Intel Atom Z2580 Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801
GPU PowerVR SGX544 PowerVR SGX544MP2 Adreno 330
RAM 2 GB 1/2 GB 3 GB
Internal Memory 16 GB 8/16/32 GB 16 GB
External Memory No microSD, up to 64 GB No

display Display

Type IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 6.0 inches 5.0 inches
Resolution 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (245 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio - 70.40% 72.14%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio - No 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 LED flash dual-LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, 1/3' Sensor Size, 1.12�m Pixel Size, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 1080p@30fps Yes 2160p@30fps, 1080p@30fps, 720p@120fps, HDR
Front Camera Yes, 5 MP [Similar] Yes, 2 MP [Similar] 8 MP, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

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

memory User Memory

Internal 16 GB, 2 GB RAM 8/16/32 GB, 1/2 GB RAM 16 GB, 3 GB RAM
Expandable Storage No microSD, up to 64 GB No
USB OTG Supported - 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 not supported NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Non-removable Li-Po Battery Non-removable Li-Ion Battery
Capacity 2000 mAh 3300 mAh 3080 mAh
Stand by - Up to 398 h (3G) -
Talk Time - Up to 28 h (3G) -