Phone Comparison - Lenovo K900 vs Lenovo Vibe X2 vs Asus Zenfone 2 ZE551ML

general General Info

Manufacturer Lenovo Lenovo Asus
Announced January 2013 September 2014 January 2015
Status Available - April 2013 Available - October 2014 Available - March 2015
Price - - Rs. 14,999 ($220.57) [Similarly Priced]
Colors Black White, Gold, Red, Dark Grey Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic Whit
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
140.2 x 68.6 x 7.3 mm
(5.52 x 2.7 x 0.29 in)
152.5 x 77.2 x 10.9 mm
(6 x 3.04 x 0.43 in)
Weight 162 g (5.71 oz) 120 g (4.23 oz) 170 g (6 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 850 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE 800 / 1800 / 2100 / 2600 LTE 700 / 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600
(Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29)
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.4 (KitKat) Android OS, v5.0 (Lollipop)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 Octa-core 2.0 GHz, MediatTek MT6595m True8Core Quad-core 2.3 GHz
Quad-core 1.8 GHz, Intel Atom Z3580
Intel Atom Z3560
GPU PowerVR SGX544 PowerVR G600 PowerVR G6430
RAM 2 GB 2 GB 2/4 GB
Internal Memory 16 GB 32 GB 16/32/64 GB
External Memory microSD, up to 32 GB No microSD, up to 64 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS Capacitive Touchscreen, Corning Gorilla Glass 3
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) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 67.94% 71.52% 70.67%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, autofocus 13 MP, 4160 x 3120 pixels 13 MP, 4128 x 3096 pixels
Flash dual-LED flash LED flash dual-LED (dual tone)
Features Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, 2 MP [Similar] 5 MP [Similar] 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 HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, with A2DP v4.0, A2DP v4.0, A2DP, EDR
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n/ac, dual band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 32 GB, 2 GB RAM 16/32/64 GB, 2/4 GB RAM
Expandable Storage microSD, up to 32 GB No microSD, up to 64 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 supported

battery Battery

Type Li-Ion battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 2500 mAh 2300 mAh 3000 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)
-