Phone Comparison - Lenovo Vibe Z K910 vs Lenovo S939 vs Lenovo Vibe X2

general General Info

Manufacturer Lenovo Lenovo Lenovo
Announced November 2013 February 2014 September 2014
Status Available - January 2014 Available - February 2014 Available - October 2014
Colors Black Black, White White, Gold, Red, Dark Grey
Form Factor Candybar Candybar Candybar
Dimension 7.9 mm thickness
(0.31 in thickness)
170 x 86.5 x 8.65 mm
(6.69 x 3.41 x 0.34 in)
140.2 x 68.6 x 7.3 mm
(5.52 x 2.7 x 0.29 in)
Weight 147 g (5.19 oz) 180 g (6.35 oz) 120 g (4.23 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network LTE - LTE 800 / 1800 / 2100 / 2600
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, v4.2.2 (Jelly Bean) Android OS, v4.4 (KitKat)
Processor Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 Octa-core 1.7 GHz, Mediatek MT6592 Octa-core 2.0 GHz, MediatTek MT6595m True8Core
GPU Adreno 330 Mali-450MP4 PowerVR G600
RAM 2 GB 1 GB 2 GB
Internal Memory 16 GB ROM 8 GB ROM 32 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB No

display Display

Type IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen, OGS IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 6.0 inches 5.0 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (245 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio - 67.36% 71.52%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 8 MP, 3264x2448 pixels 13 MP, 4160 x 3120 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, 360 degree Panorama, HDR, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 1080p@30fps Yes, 1080p@30fps 1080p@30fps
Front Camera Yes, 5 MP [Similar] Yes, 1.6 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, 11.5 Mbps HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 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 hotspot Wi-Fi 802.11 b/g/n/ac, dual band, Wi-Fi 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 HTML5 HTML5

memory User Memory

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

battery Battery

Type - Li-Ion Battery Non-removable Li-Po Battery
Capacity - 3000 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)