Phone Comparison - Lenovo Vibe Z K910 vs ZTE Nubia Z9 mini vs Xiaomi Mi 4i

general General Info

Manufacturer Lenovo ZTE Xiaomi
Announced November 2013 March 2015 April 2015
Status Available - January 2014 Available - April 2015 Available - April 2015
Price - Rs. 16,999 ($249.99) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors Black Black, White Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 7.9 mm thickness
(0.31 in thickness)
141.3 x 69.8 x 8.2 mm
(5.56 x 2.75 x 0.32 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 147 g (5.19 oz) 147 g (5.19 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
TD-SCDMA 1900 / 2000
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 band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) 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) Nubia UI 2.8, Android OS, v5.0.2 (Lollipop) Android OS, v5.0 (Lollipop)
Processor Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 330 Adreno 405 Adreno 405
RAM 2 GB 2 GB 2 GB
Internal Memory 16 GB ROM 16 GB 16/32 GB
External Memory microSD, up to 32 GB microSD, up to 128 GB No

display Display

Type IPS LCD Capacitive Touchscreen Capacitive touchscreen 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) 1080 x 1920 pixels (441 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio - 69.75% 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 16 MP, 5312 x 2988 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, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, 5 MP [Similar] 8 MP, 1080p [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 HSPA, LTE Cat4 150/50 Mbps HSPA, LTE
Bluetooth Yes, v4.0 with A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB Yes, microUSB v2.0 microUSB v2.0, USB Host microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB ROM, 2 GB RAM 16 GB, 2 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 128 GB No
USB OTG - 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 - Non-removable Li-Ion Battery Li-Po Battery
Capacity - 2900 mAh 3120 mAh
Stand by - Up to 750 h (3G) -
Talk Time - Up to 43 h (3G) -