Phone Comparison - Lenovo K900 vs LG Optimus G Pro vs Lenovo Vibe X

general General Info

Manufacturer Lenovo LG Lenovo
Announced January 2013 February 2013 September 2013
Status Available - April 2013 Available - April 2013 Available - December 2013
Colors Black Black Black/Silver
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
150.2 x 76.1 x 9.4mm
(5.91 x 3 x 0.37in)
6.9 mm thickness
(0.27 in thickness)
Weight 162 g (5.71 oz) 160 g (5.64 oz) 120 g (4.23 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 900 / 2100 HSDPA
4G Network - LTE -
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, v4.1.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 Quad-core 1.7 GHz Krait, Qualcomm Snapdragon 600 Processor Quad-core 1.5 GHz, MTK MT6589T
GPU PowerVR SGX544 Adreno 320 PowerVR SGX544
RAM 2 GB 2 GB 2 GB
Internal Memory 16 GB 32 GB 16 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB No

display Display

Type IPS LCD capacitive touchscreen True Curved Glass IPS AMOLED Capacitive Touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.5 inches 5.0 inches
Resolution 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (400 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 67.94% 73.15% -
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, 4128x3096 pixels 13 MP, 4128 x 3096 pixels
Flash dual-LED flash LED flash LED flash
Features Geo-tagging, Touch Focus, Face Detection Auto-focus, Geo-tagging, Face Detection, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 1080p@30fps Yes, 1080p@30fps, LED video light Yes, 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 2 MP, 720p@30fps [Similar] Yes, 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSDPA, HSUPA, LTE HSPA+
Bluetooth Yes, with A2DP Yes, v4.0 with A2DP Yes, v4.0 with A2DP
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 Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 (MHL), USB Host Yes, microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML5 HTML5, Adobe Flash HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 32 GB, 2 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB No
USB OTG - Supported 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 supported NFC not supported

battery Battery

Type Li-Ion battery Non-removable, Li-Po Battery Li-Ion Battery
Capacity 2500 mAh 3140 mAh 2000 mAh
Stand by - - -
Talk Time - - -