Phone Comparison - Lenovo K900 vs Lenovo Vibe X vs Lenovo S856

general General Info

Manufacturer Lenovo Lenovo Lenovo
Announced January 2013 September 2013 October 2014
Status Available - April 2013 Available - December 2013 Available - October 2014
Price - - Rs. 5,770 ($84.69) [Similarly Priced]
Colors Black Black/Silver Silver
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
6.9 mm thickness
(0.27 in thickness)
151 x 77.8 x 9 mm
(5.94 x 3.06 x 0.35 in)
Weight 162 g (5.71 oz) 120 g (4.23 oz) 175 g (6.17 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA HSDPA 900 / 2100
4G Network - - LTE 800 / 1800 / 2100 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean) Android OS, v4.4.2 (KitKat)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 Quad-core 1.5 GHz, MTK MT6589T Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8926 Snapdragon 400
GPU PowerVR SGX544 PowerVR SGX544 Adreno 305
RAM 2 GB 2 GB 1 GB
Internal Memory 16 GB 16 GB 8 GB
External Memory microSD, up to 32 GB No microSD, up to 32 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.0 inches 5.5 inches
Resolution 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 67.94% - 71.00%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, autofocus 13 MP, 4128 x 3096 pixels 8 MP, 3264 x 2448 pixels
Flash dual-LED flash LED flash LED flash
Features Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 1080p@30fps Yes, 1080p@30fps Yes
Front Camera Yes, 2 MP [Similar] Yes, 5 MP [Similar] 1.6 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSPA+ HSPA 21.1/5.76 Mbps, LTE Cat3 100/50 MbpsPA, HSUPA1 Mbps, HSUPA 5.76 Mbps
Bluetooth Yes, with A2DP Yes, v4.0 with A2DP v4.0
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS
Browser HTML5 HTML5 HTML

memory User Memory

Internal 16 GB, 2 GB RAM 16 GB, 2 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB No microSD, up to 32 GB
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 Li-Ion battery Li-Ion Battery Li-Po Battery
Capacity 2500 mAh 2000 mAh 2500 mAh
Stand by - - Up to 456 h (2G)
Up to 312 h (3G)
Talk Time - - Up to 24 h (2G)
Up to 25 h (3G)