Phone Comparison - Lenovo K900 vs Sony Xperia Z1 Compact vs Sony Xperia Z2a

general General Info

Manufacturer Lenovo Sony Sony
Announced January 2013 January 2014 June 2014
Status Available - April 2013 Available - January 2014 Coming Soon - July 2014
Colors Black Black, White, Purple Black, White, Turquoise
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
127 x 64.9 x 9.4 mm
(5 x 2.56 x 0.37 in)
137 x 72 x 11 mm
(5.39 x 2.83 x 0.43 in)
Weight 162 g (5.71 oz) 137 g (4.83 oz) 163 g (5.75 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 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE LTE 700 / 850 / 900 / 1800 / 1900 / 2100 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features - - IP58 Certified - Dust Proof and Water Resistant over 1 meter and 30 minutes
- Shatter Proof and Scratch-Resistant Glass
- IP58 Certified - Dust Proof and Water Resistant over 1 Meter and 30 Minutes

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean) Android OS, v4.4.2 (KitKat)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 Quad-core 2.2 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974AB Snapdragon 801
GPU PowerVR SGX544 Adreno 330 Adreno 330
RAM 2 GB 2 GB 3 GB
Internal Memory 16 GB 16 GB 16 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 128 GB

display Display

Type IPS LCD capacitive touchscreen TFT capacitive touchscreen, TRILUMINOS™ Display for Mobile with X-Reality™ IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 4.3 inches 5.0 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (342 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 67.94% 61.68% 69.74%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, autofocus 20.7 MP, autofocus 20.7 MP, 5248 х 3936 pixels
Flash dual-LED flash LED flash LED flash
Features Geo-tagging, Touch Focus, Face Detection 1/2.3' Sensor Size, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Panorama Auto focus, 1/2.3' Sensor Size, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Panorama
Video Yes, 1080p@30fps Yes, 1080p@30fps, video stabilization, HDR Yes, 2160p@30fps, 1080p@60fps, 720p@120fps, video stabilization, HDR
Front Camera Yes, 2 MP [Similar] Yes, 2 MP, 1080p@30fps [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Up to 107 kbps Up to 107 kbps
Edge Yes Up to 296 kbps Up to 296 kbps
3G HSPA+ HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, with A2DP Yes, v4.0 with A2DP, ANT+ 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, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 (MHL), USB On-the-go Yes, microUSB v2.0 (MHL 3), USB On-the-go, USB Host
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 16 GB, 2 GB RAM 16 GB, 3 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB microSD, up to 128 GB
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 supported

battery Battery

Type Li-Ion battery Non-removable Li-Ion Battery Non-removable Li-Ion Battery
Capacity 2500 mAh 2300 mAh 3000 mAh
Stand by - Up to 670 h Up to 690 h (2G)
Up to 740 h (3G)
Talk Time - Up to 18 h Up to 15 h (2G)
Up to 19 h (3G)