Phone Comparison - Lenovo K900 vs Lenovo S820 vs Lenovo A7000

general General Info

Manufacturer Lenovo Lenovo Lenovo
Announced January 2013 May 2013 March 2015
Status Available - April 2013 Available - May 2013 Available - May 2015
Price - - Rs. 8,400 ($123.53) [Similarly Priced]
Colors Black Flamingo red Onyx Black, Pearl White
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
152.6x 76.2 x 7.9 mm
(6.01x 3 x 0.31 in)
Weight 162 g (5.71 oz) 143 g (5.04 oz) 140 g (4.94 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 900 / 2100 HSDPA 900 / 2100
4G Network - - LTE 700 / 900 / 1800
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail
Build Features - - Dolby Atmos

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean) Android OS, v5.0 (Lollipop)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 Quad-core 1.2 GHz, MTK 6589W Octa-core 1.5 GHz Cortex-A53, Mediatek MT6572M
GPU PowerVR SGX544 PowerVR SGX544 Mali-T760MP2
RAM 2 GB 1 GB 2 GB
Internal Memory 16 GB 4 GB 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB; SD cards

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen,
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 4.7 inches 5.5 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 67.94% 62.82% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio FM radio; built-in antenna FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP, autofocus 12 MP, 4000 x 3000 pixels 8 MP, 3264 x 2448 pixels
Flash dual-LED flash LED flash LED flash
Features Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video Yes, 1080p@30fps Yes 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 2 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSDPA, HSUPA HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, with A2DP Yes, v3.0 with A2DP v4.0, A2DP, EDR
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 802.11 b/g/n, hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS
Browser HTML5 HTML HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 4 GB, 1 GB RAM 8 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB; SD cards

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 not supported

battery Battery

Type Li-Ion battery Li-Po Battery Li-Po Battery
Capacity 2500 mAh 2000 mAh 2900 mAh
Stand by - Up to 140 h (2G)
Up to 140 h (3G)
Up to 264 h (2G)
Up to 264 h (3G)
Up to 288 h (4G)
Talk Time - Up to 22 h (2G)
Up to 10 h (3G)
Up to 39 h (2G)
Up to 16 h (3G)