Phone Comparison - Lenovo K900 vs Nokia Lumia 730 Dual SIM vs Lenovo Vibe X2

general General Info

Manufacturer Lenovo Nokia Lenovo
Announced January 2013 September 2014 September 2014
Status Available - April 2013 Available - September 2014 Available - October 2014
Colors Black Orange, green, white, black White, Gold, Red, Dark Grey
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
134.7 x 68.5 x 8.9 mm
(5.3 x 2.7 x 0.35 in)
140.2 x 68.6 x 7.3 mm
(5.52 x 2.7 x 0.29 in)
Weight 162 g (5.71 oz) 134 g (4.73 oz) 120 g (4.23 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network - - LTE 800 / 1800 / 2100 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM
Build Features - ClearBlack display -

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Microsoft Windows Phone 8.1 Android OS, v4.4 (KitKat)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Octa-core 2.0 GHz, MediatTek MT6595m True8Core
GPU PowerVR SGX544 Adreno 305 PowerVR G600
RAM 2 GB 1 GB 2 GB
Internal Memory 16 GB 8 GB 32 GB
External Memory microSD, up to 32 GB microSD, up to 128 GB No

display Display

Type IPS LCD capacitive touchscreen AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 4.7 inches 5.0 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (312 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 67.94% 66.20% 71.52%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, autofocus 6.7 MP, Carl Zeiss optics 13 MP, 4160 x 3120 pixels
Flash dual-LED flash LED flash LED flash
Features Geo-tagging, Touch Focus, Face Detection Auto focus, 1/3.4'' Sensor Size, Geo-tagging, Face Detection, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 1080p@30fps 1080p@30fps, stereo sound rec. 1080p@30fps
Front Camera Yes, 2 MP [Similar] 5 MP, 720p [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Up to 296 kbps Yes
3G HSPA+ HSDPA, 21.1 Mbps; HSUPA, 5.76 Mbps HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, 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 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n/ac, dual band, Wi-Fi hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 8 GB, 1 GB RAM 32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 128 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 supported NFC not supported

battery Battery

Type Li-Ion battery Li-Ion Battery (BV-T5A) Non-removable Li-Po Battery
Capacity 2500 mAh 2200 mAh 2300 mAh
Stand by - Up to 600 h Up to 228 h (2G)
Up to 216 h (3G)
Talk Time - Up to 22 h (2G)
Up to 17 h (3G)
Up to 17 h (2G)
Up to 19 h (3G)