Phone Comparison - Lenovo Vibe Z K910 vs Asus Zenfone 5 vs Xiaomi Mi 4i

general General Info

Manufacturer Lenovo Asus Xiaomi
Announced November 2013 January 2014 April 2015
Status Available - January 2014 Available - June 2014 Available - April 2015
Price - - Rs. 8,999 ($132.34) [Similarly Priced]
Colors Black Black, White, Red, Blue, Gold Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 7.9 mm thickness
(0.31 in thickness)
148.2 x 72.8 x 5.5-10.3
(5.83 x 2.87 x 0.22-0.41)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 147 g (5.19 oz) 140 g (4.94 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE - LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.3 (Jelly Bean) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v5.0 (Lollipop)
Processor Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 Dual-core 2.0 GHz / Dual-core 1.6 GHz, Intel Atom Z2580/Z2560 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 330 PowerVR SGX544MP2 Adreno 405
RAM 2 GB 1/2 GB 2 GB
Internal Memory 16 GB ROM 8/16 GB 16/32 GB
External Memory microSD, up to 32 GB 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 5.5 inches 5.0 inches 5.0 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (294 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio - 63.76% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels
Flash Dual-LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 1080p@30fps Yes 1080p@30fps
Front Camera Yes, 5 MP [Similar] Yes, 2 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 150 Mbps DL HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSPA, LTE
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, dual-band, hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML5 HTML HTML5

memory User Memory

Internal 16 GB ROM, 2 GB RAM 8/16 GB, 1/2 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 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 not supported NFC not supported

battery Battery

Type - Non-removable Li-Po Battery Li-Po Battery
Capacity - 2110 mAh 3120 mAh
Stand by - Up to 353 h (3G) -
Talk Time - Up to 18 h 30 min (3G) -