Phone Comparison - Lenovo K900 vs Samsung Galaxy Round G910S vs Lenovo Vibe Z K910

general General Info

Manufacturer Lenovo Samsung Lenovo
Announced January 2013 October 2013 November 2013
Status Available - April 2013 Available - October 2013 Available - January 2014
Colors Black Luxury Brown Black
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
151.1 x 79.6 x 7.9 mm
(5.95 x 3.13 x 0.31 in)
7.9 mm thickness
(0.31 in thickness)
Weight 162 g (5.71 oz) 154 g (5.43 oz) 147 g (5.19 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 850 / 900 / 1900 / 2100 HSDPA 2100
4G Network - LTE 800 / 850 / 900 / 1800 / 2100 / 2600 LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - Curved Display -

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean) Android OS, v4.3 (Jelly Bean)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 Quad-core 2.3 GHz Krait 400, Qualcomm Snapdragon 800 Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800
GPU PowerVR SGX544 Adreno 330 Adreno 330
RAM 2 GB 3 GB 2 GB
Internal Memory 16 GB 32 GB storage 16 GB ROM
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type IPS LCD capacitive touchscreen Super Flexible AMOLED capacitive touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.7 inches 5.5 inches
Resolution 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (386 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 67.94% 74.65% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio No -
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 13 MP, 4128 x 3096 pixels
Flash dual-LED flash LED flash Dual-LED flash
Features Geo-tagging, Touch Focus, Face Detection Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 1080p@30fps Yes, 2160p@30fps, 1080p@60fps Yes, 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 2 MP, 1080p@30fps [Similar] Yes, 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, with A2DP Yes, v4.0 with A2DP, LE, EDR 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/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v3.0 (MHL 2), USB Host Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 32 GB storage, 3 GB RAM 16 GB ROM, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB 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 supported NFC not supported

battery Battery

Type Li-Ion battery Li-Ion Battery -
Capacity 2500 mAh 2800 mAh -
Stand by - - -
Talk Time - - -