Phone Comparison - Lenovo K900 vs Lava Iris Pro vs Lenovo S820

general General Info

Manufacturer Lenovo Lava Lenovo
Announced January 2013 January 2014 May 2013
Status Available - April 2013 Available - January 2014 Available - May 2013
Colors Black Black Flamingo red
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
138 x 66.7 x 7.5 mm
(5.43 x 2.63 x 0.3 in)
139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
Weight 162 g (5.71 oz) 114 g (4.02 oz) 143 g (5.04 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 2100 HSDPA 900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM
Build Features - Full Lamination, Corning Gorilla Glass -

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 Quad-core 1.2 GHz Cortex-A7, MTK 6589 Quad-core 1.2 GHz, MTK 6589W
GPU PowerVR SGX544 PowerVR SGX544 PowerVR SGX544
RAM 2 GB 1 GB 1 GB
Internal Memory 16 GB 4 GB 4 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen, OGS, Corning Gorilla Glass, Full Lamination IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 4.7 inches 4.7 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 67.94% 66.36% 62.82%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, autofocus 8 MP, 3264 x 2448 pixels 12 MP, 4000 x 3000 pixels
Flash dual-LED flash Dual-LED flash LED flash
Features Geo-tagging, Touch Focus, Face Detection Auto-focus, Geo-taggi/ng, Touch Focus, Face And Smile Detection, HDR, Panorama, Blue Glass Filter Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 1080p@30fps Yes, 1080p@30fps Yes
Front Camera Yes, 2 MP [Similar] Yes, 3 MP [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSDPA, 42 Mbps, HSUPA, 11 Mbps HSDPA, HSUPA
Bluetooth Yes, with A2DP Yes, v4.0 Yes, v3.0 with A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Yes, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual band
USB Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML5 HTML5 HTML

memory User Memory

Internal 16 GB, 2 GB RAM 4 GB, 1 GB RAM 4 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 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 not supported NFC not supported

battery Battery

Type Li-Ion battery Li-Po Battery Li-Po Battery
Capacity 2500 mAh 2000 mAh 2000 mAh
Stand by - 400 h Up to 140 h (2G)
Up to 140 h (3G)
Talk Time - Up to 7.5 h (2G)
Up to 4.5 h (3G)
Up to 22 h (2G)
Up to 10 h (3G)