Phone Comparison - LG G Flex vs Xiaomi Mi 4 vs Lenovo Vibe X2

general General Info

Manufacturer LG Xiaomi Lenovo
Announced October 2013 July 2014 September 2014
Status Available - November 2013 Available - Q3 2014 Available - October 2014
Colors Titan Silver Black, White White, Gold, Red, Dark Grey
Form Factor Candybar Candybar Candybar
Dimension 160.5 x 81.6 x 7.9 - 8.7 mm
(6.32 x 3.21 x 0.31 - 0.34 in)
139.2 x 68.5 x 8.9 mm
(5.48 x 2.7 x 0.35 in)
140.2 x 68.6 x 7.3 mm
(5.52 x 2.7 x 0.29 in)
Weight 177 g (6.24 oz) 149 g (5.26 oz) 120 g (4.23 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network LTE 850 / 1800 LTE-A LTE LTE 800 / 1800 / 2100 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features Self-healing coating on the back - -

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) Android OS, v4.4.3 (KitKat) Android OS, v4.4 (KitKat)
Processor Quad-core 2.26 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 Octa-core 2.0 GHz, MediatTek MT6595m True8Core
GPU Adreno 330 Adreno 330 PowerVR G600
RAM 2 GB 3 GB 2 GB
Internal Memory 32 GB 16/64 GB 32 GB
External Memory No No No

display Display

Type Curved P-OLED (Real RGB) IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 6.0 inches 5.0 inches 5.0 inches
Resolution 720 x 1280 pixels (245 ppi) 1080 x 1920 pixels (441 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 75.63% 72.14% 71.52%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS FM radio -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP, autofocus 13 MP, 4128 x 3096 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash Dual-LED Flash LED flash
Features Simultaneous Video And Image Recording, Geo-tagging, Face Detection, HDR Auto focus, 1/3' Sensor Size, 1.12┬Ám Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 1080p@60fps, HDR, stereo sound rec., video stabilization 2160p, 1080p@30fps, HDR 1080p@30fps
Front Camera Yes, 2.1 MP, 1080p@30fps [Similar] 8 MP, 1080p@30fps [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Yes
Edge Class 12 Yes Yes
3G HSDPA, 42 Mbps; HSUPA, 21 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, v4.0 with A2DP, LE v4.0, A2DP v4.0, 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/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n/ac, dual band, Wi-Fi hotspot
USB Yes, microUSB v2.0 (SlimPort), USB On-the-go, USB Host 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

memory User Memory

Internal 32 GB, 2 GB RAM 16/64 GB, 3 GB RAM 32 GB, 2 GB RAM
Expandable Storage No No 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 supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Po battery Non-removable Li-Ion Battery Non-removable Li-Po Battery
Capacity 3500 mAh 3080 mAh 2300 mAh
Stand by - - Up to 228 h (2G)
Up to 216 h (3G)
Talk Time - - Up to 17 h (2G)
Up to 19 h (3G)