Phone Comparison - Lenovo Vibe X2 vs Lenovo Vibe Z2 vs Xiaomi Mi 4i

general General Info

Manufacturer Lenovo Lenovo Xiaomi
Announced September 2014 September 2014 April 2015
Status Available - October 2014 Available - October 2014 Available - April 2015
Price - - Rs. 8,999 ($132.34) [Similarly Priced]
Colors White, Gold, Red, Dark Grey White, Gold, Titanium 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)
148.5 x 76.4 x 7.8 mm
(5.85 x 3.01 x 0.31 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) 158 g (5.57 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 / 900 / 1700 / 1900 / 2100 - SIM 1 & SIM 2 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 800 / 1800 / 2100 / 2600 LTE 800 / 1800 / 2100 / 2600 - SIM 1 & SIM 2 LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4 (KitKat) Android OS, v4.4 (KitKat) Android OS, v5.0 (Lollipop)
Processor Octa-core 2.0 GHz, MediatTek MT6595m True8Core Quad-core 1.2 GHz Krait 400, Qualcomm MSM8916 Snapdragon 410 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU PowerVR G600 Adreno 306 Adreno 405
RAM 2 GB 2 GB 2 GB
Internal Memory 32 GB 32 GB 16/32 GB
External Memory No No No

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.5 inches 5.0 inches
Resolution 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (267 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 71.52% 73.51% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4160 x 3120 pixels 13 MP, 4160 x 3120 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash optical image stabil LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 5 MP [Similar] 8 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA, LTE
Bluetooth v4.0, A2DP v4.0, A2DP 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/ac, dual band, Wi-Fi 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, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

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

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Po Battery Li-Po Battery
Capacity 2300 mAh 3000 mAh 3120 mAh
Stand by Up to 228 h (2G)
Up to 216 h (3G)
Up to 408 h (3G) -
Talk Time Up to 17 h (2G)
Up to 19 h (3G)
Up to 30 h (2G)
Up to 28 h (3G)
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