Phone Comparison - Lenovo Vibe X2 vs Sony Xperia E4g Dual vs Xiaomi Mi 4i

general General Info

Manufacturer Lenovo Sony Xiaomi
Announced September 2014 February 2015 April 2015
Status Available - October 2014 Available - April 2015 Available - April 2015
Price - Rs. 11,300 ($166.18) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors White, Gold, Red, Dark Grey Black, White Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 140.2 x 68.6 x 7.3 mm
(5.52 x 2.7 x 0.29 in)
133 x 71 x 10.8 mm
(5.24 x 2.8 x 0.43 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 120 g (4.23 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 / 1700 / 1900 / 2100 HSDPA 850 / 1900 / 2100
HSDPA 900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 800 / 1800 / 2100 / 2600 LTE LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4 (KitKat) Android OS, v4.4.4 (KitKat) Android OS, v5.0 (Lollipop)
Processor Octa-core 2.0 GHz, MediatTek MT6595m True8Core Quad-core 1.5 GHz Cortex-A53, Mediatek MT6732 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU PowerVR G600 Mali-T760 Adreno 405
RAM 2 GB 1 GB 2 GB
Internal Memory 32 GB 8 GB 16/32 GB
External Memory No microSD, up to 32 GB No

display Display

Type IPS LCD capacitive touchscreen IPS capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.7 inches 5.0 inches
Resolution 1080 x 1920 pixels (441 ppi) 540 x 960 pixels (234 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 71.52% 64.68% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4160 x 3120 pixels 5 MP, 2592 х 1944 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 5 MP [Similar] 2 MP, 720p [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Up to 107 kbps Yes
Edge Yes Up to 296 kbps Yes
3G HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE
Bluetooth v4.0, A2DP v4.1, A2DP, apt-X v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n/ac, dual band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS Yes, with A-GPS, GLONASS
Browser HTML5 HTML HTML5

memory User Memory

Internal 32 GB, 2 GB RAM 8 GB, 1 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage No microSD, up to 32 GB No

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 supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Ion Battery Li-Po Battery
Capacity 2300 mAh 2300 mAh 3120 mAh
Stand by Up to 228 h (2G)
Up to 216 h (3G)
Up to 696 h (2G)
Up to 653 h (3G)
-
Talk Time Up to 17 h (2G)
Up to 19 h (3G)
Up to 12 h (2G)
Up to 12 h 40 min (3G)
-